human/dist/tfjs.esm.js

4462 lines
1.1 MiB
JavaScript
Raw Normal View History

2020-11-20 14:53:40 +01:00
/*
Human library
homepage: <https://github.com/vladmandic/human>
author: <https://github.com/vladmandic>'
*/
var XW=Object.create;var Ig=Object.defineProperty;var YW=Object.getOwnPropertyDescriptor;var ZW=Object.getOwnPropertyNames;var JW=Object.getPrototypeOf,QW=Object.prototype.hasOwnProperty;var ej=r=>Ig(r,"__esModule",{value:!0});var $c=r=>{if(typeof require!="undefined")return require(r);throw new Error('Dynamic require of "'+r+'" is not supported')};var Ut=(r,e)=>()=>(e||r((e={exports:{}}).exports,e),e.exports),je=(r,e)=>{for(var t in e)Ig(r,t,{get:e[t],enumerable:!0})},tj=(r,e,t)=>{if(e&&typeof e=="object"||typeof e=="function")for(let n of ZW(e))!QW.call(r,n)&&n!=="default"&&Ig(r,n,{get:()=>e[n],enumerable:!(t=YW(e,n))||t.enumerable});return r},nu=r=>tj(ej(Ig(r!=null?XW(JW(r)):{},"default",r&&r.__esModule&&"default"in r?{get:()=>r.default,enumerable:!0}:{value:r,enumerable:!0})),r);var A1=Ut((nie,E1)=>{E1.exports=Gt;var so=null;try{so=new WebAssembly.Instance(new WebAssembly.Module(new Uint8Array([0,97,115,109,1,0,0,0,1,13,2,96,0,1,127,96,4,127,127,127,127,1,127,3,7,6,0,1,1,1,1,1,6,6,1,127,1,65,0,11,7,50,6,3,109,117,108,0,1,5,100,105,118,95,115,0,2,5,100,105,118,95,117,0,3,5,114,101,109,95,115,0,4,5,114,101,109,95,117,0,5,8,103,101,116,95,104,105,103,104,0,0,10,191,1,6,4,0,35,0,11,36,1,1,126,32,0,173,32,1,173,66,32,134,132,32,2,173,32,3,173,66,32,134,132,126,34,4,66,32,135,167,36,0,32,4,167,11,36,1,1,126,32,0,173,32,1,173,66,32,134,132,32,2,173,32,3,173,66,32,134,132,127,34,4,66,32,135,167,36,0,32,4,167,11,36,1,1,126,32,0,173,32,1,173,66,32,134,132,32,2,173,32,3,173,66,32,134,132,128,34,4,66,32,135,167,36,0,32,4,167,11,36,1,1,126,32,0,173,32,1,173,66,32,134,132,32,2,173,32,3,173,66,32,134,132,129,34,4,66,32,135,167,36,0,32,4,167,11,36,1,1,126,32,0,173,32,1,173,66,32,134,132,32,2,173,32,3,173,66,32,134,132,130,34,4,66,32,135,167,36,0,32,4,167,11])),{}).exports}catch(r){}function Gt(r,e,t){this.low=r|0,this.high=e|0,this.unsigned=!!t}Gt.prototype.__isLong__;Object.defineProperty(Gt.prototype,"__isLong__",{value:!0});function $n(r){return(r&&r.__isLong__)===!0}Gt.isLong=$n;var w1={},_1={};function uu(r,e){var t,n,o;return e?(r>>>=0,(o=0<=r&&r<256)&&(n=_1[r],n)?n:(t=Wt(r,(r|0)<0?-1:0,!0),o&&(_1[r]=t),t)):(r|=0,(o=-128<=r&&r<128)&&(n=w1[r],n)?n:(t=Wt(r,r<0?-1:0,!1),o&&(w1[r]=t),t))}Gt.fromInt=uu;function io(r,e){if(isNaN(r))return e?cu:ao;if(e){if(r<0)return cu;if(r>=v1)return T1}else{if(r<=-C1)return Rn;if(r+1>=C1)return N1}return r<0?io(-r,e).neg():Wt(r%yp|0,r/yp|0,e)}Gt.fromNumber=io;function Wt(r,e,t){return new Gt(r,e,t)}Gt.fromBits=Wt;var Eg=Math.pow;function qw(r,e,t){if(r.length===0)throw Error("empty string");if(r==="NaN"||r==="Infinity"||r==="+Infinity"||r==="-Infinity")return ao;if(typeof e=="number"?(t=e,e=!1):e=!!e,t=t||10,t<2||36<t)throw RangeError("radix");var n;if((n=r.indexOf("-"))>0)throw Error("interior hyphen");if(n===0)return qw(r.substring(1),e,t).neg();for(var o=io(Eg(t,8)),s=ao,a=0;a<r.length;a+=8){var i=Math.min(8,r.length-a),l=parseInt(r.substring(a,a+i),t);if(i<8){var u=io(Eg(t,i));s=s.mul(u).add(io(l))}else s=s.mul(o),s=s.add(io(l))}return s.unsigned=e,s}Gt.fromString=qw;function Cs(r,e){return typeof r=="number"?io(r,e):typeof r=="string"?qw(r,e):Wt(r.low,r.high,typeof e=="boolean"?e:r.unsigned)}Gt.fromValue=Cs;var k1=1<<16,Tj=1<<24,yp=k1*k1,v1=yp*yp,C1=v1/2,I1=uu(Tj),ao=uu(0);Gt.ZERO=ao;var cu=uu(0,!0);Gt.UZERO=cu;var bp=uu(1);Gt.ONE=bp;var S1=uu(1,!0);Gt.UONE=S1;var Hw=uu(-1);Gt.NEG_ONE=Hw;var N1=Wt(4294967295|0,2147483647|0,!1);Gt.MAX_VALUE=N1;var T1=Wt(4294967295|0,4294967295|0,!0);Gt.MAX_UNSIGNED_VALUE=T1;var Rn=Wt(0,2147483648|0,!1);Gt.MIN_VALUE=Rn;var we=Gt.prototype;we.toInt=function(){return this.unsigned?this.low>>>0:this.low};we.toNumber=function(){return this.unsigned?(this.high>>>0)*yp+(this.low>>>0):this.high*yp+(this.low>>>0)};we.toString=function(e){if(e=e||10,e<2||36<e)throw RangeError("radix");if(this.isZero())return"0";if(this.isNegative())if(this.eq(Rn)){var t=io(e),n=this.div(t),o=n.mul(t).sub(this);return n.toString(e)+o.toInt().toString(e)}else return"-"+this.neg().toString(e);for(var s=io(Eg(e,6),this.unsigned),a=this,i="";;){var l=a.div(s),u=a.sub(l.mul(s)).toInt()>>>0,c
`)),l.join(`
`)}function Lj(r,e,t,n){let o=ot(e),s=n[n.length-1],a=new Array(s).fill(0),i=e.length,l=t==="complex64"?pf(r):r;if(i>1)for(let u=0;u<o/s;u++){let c=u*s;for(let p=0;p<s;p++)a[p]=Math.max(a[p],cf(l[c+p],0,t).length)}return a}function cf(r,e,t){let n;return Array.isArray(r)?n=`${parseFloat(r[0].toFixed(Yw))} + ${parseFloat(r[1].toFixed(Yw))}j`:Do(r)?n=`'${r}'`:t==="bool"?n=B1(r):n=parseFloat(r.toFixed(Yw)).toString(),ou(n,e)}function B1(r){return r===0?"false":"true"}function Dg(r,e,t,n,o,s=!0){let a=t==="complex64"?2:1,i=e[0],l=e.length;if(l===0){if(t==="complex64"){let h=pf(r);return[cf(h[0],0,t)]}return t==="bool"?[B1(r[0])]:[r[0].toString()]}if(l===1){if(i>L1){let g=uf*a,x=Array.from(r.slice(0,g)),b=Array.from(r.slice((i-uf)*a,i*a));return t==="complex64"&&(x=pf(x),b=pf(b)),["["+x.map((w,_)=>cf(w,o[_],t)).join(", ")+", ..., "+b.map((w,_)=>cf(w,o[i-uf+_],t)).join(", ")+"]"]}let h=t==="complex64"?pf(r):Array.from(r);return["["+h.map((g,x)=>cf(g,o[x],t)).join(", ")+"]"]}let u=e.slice(1),c=n.slice(1),p=n[0]*a,m=[];if(i>L1){for(let h=0;h<uf;h++){let g=h*p,x=g+p;m.push(...Dg(r.slice(g,x),u,t,c,o,!1))}m.push("...");for(let h=i-uf;h<i;h++){let g=h*p,x=g+p;m.push(...Dg(r.slice(g,x),u,t,c,o,h===i-1))}}else for(let h=0;h<i;h++){let g=h*p,x=g+p;m.push(...Dg(r.slice(g,x),u,t,c,o,h===i-1))}let f=l===2?",":"";m[0]="["+m[0]+f;for(let h=1;h<m.length-1;h++)m[h]=" "+m[h]+f;let d=`,
`;for(let h=2;h<l;h++)d+=`
`;return m[m.length-1]=" "+m[m.length-1]+"]"+(s?"":d),m}function pf(r){let e=[];for(let t=0;t<r.length;t+=2)e.push([r[t],r[t+1]]);return e}var ct=class{constructor(e,t,n){if(this.dtype=t,this.shape=e.slice(),this.size=ot(e),n!=null){let o=n.length;E(o===this.size,()=>`Length of values '${o}' does not match the size inferred by the shape '${this.size}'.`)}if(t==="complex64")throw new Error("complex64 dtype TensorBuffers are not supported. Please create a TensorBuffer for the real and imaginary parts separately and call tf.complex(real, imag).");this.values=n||Mw(t,this.size),this.strides=Zs(e)}set(e,...t){t.length===0&&(t=[0]),E(t.length===this.rank,()=>`The number of provided coordinates (${t.length}) must match the rank (${this.rank})`);let n=this.locToIndex(t);this.values[n]=e}get(...e){e.length===0&&(e=[0]);let t=0;for(let o of e){if(o<0||o>=this.shape[t]){let s=`Requested out of range element at ${e}. Buffer shape=${this.shape}`;throw new Error(s)}t++}let n=e[e.length-1];for(let o=0;o<e.length-1;++o)n+=this.strides[o]*e[o];return this.values[n]}locToIndex(e){if(this.rank===0)return 0;if(this.rank===1)return e[0];let t=e[e.length-1];for(let n=0;n<e.length-1;++n)t+=this.strides[n]*e[n];return t}indexToLoc(e){if(this.rank===0)return[];if(this.rank===1)return[e];let t=new Array(this.shape.length);for(let n=0;n<t.length-1;++n)t[n]=Math.floor(e/this.strides[n]),e-=t[n]*this.strides[n];return t[t.length-1]=e,t}get rank(){return this.shape.length}toTensor(){return di().makeTensor(this.values,this.shape,this.dtype)}},di=null,kp=null,zj=null;function V1(r){di=r}function G1(r){kp=r}function W1(r){zj=r}var Me=class{constructor(e,t,n,o){this.kept=!1,this.isDisposedInternal=!1,this.shape=e.slice(),this.dtype=t||"float32",this.size=ot(e),this.strides=Zs(e),this.dataId=n,this.id=o,this.rankType=this.rank<5?this.rank.toString():"higher"}get rank(){return this.shape.length}async buffer(){let e=await this.data();return kp.buffer(this.shape,this.dtype,e)}bufferSync(){return kp.buffer(this.shape,this.dtype,this.dataSync())}async array(){let e=await this.data();return su(this.shape,e,this.dtype==="complex64")}arraySync(){return su(this.shape,this.dataSync(),this.dtype==="complex64")}async data(){this.throwIfDisposed();let e=di().read(this.dataId);if(this.dtype==="string"){let t=await e;try{return t.map(n=>_p(n))}catch(n){throw new Error("Failed to decode the string bytes into utf-8. To get the original bytes, call tensor.bytes().")}}return e}dataSync(){this.throwIfDisposed();let e=di().readSync(this.dataId);if(this.dtype==="string")try{return e.map(t=>_p(t))}catch(t){throw new Error("Failed to decode the string bytes into utf-8. To get the original bytes, call tensor.bytes().")}return e}async bytes(){this.throwIfDisposed();let e=await di().read(this.dataId);return this.dtype==="string"?e:new Uint8Array(e.buffer)}dispose(){this.isDisposed||(di().disposeTensor(this),this.isDisposedInternal=!0)}get isDisposed(){return this.isDisposedInternal}throwIfDisposed(){if(this.isDisposed)throw new Error("Tensor is disposed.")}print(e=!1){return kp.print(this,e)}clone(){return this.throwIfDisposed(),kp.clone(this)}toString(e=!1){let t=this.dataSync();return z1(t,this.shape,this.dtype,e)}cast(e){return this.throwIfDisposed(),kp.cast(this,e)}variable(e=!0,t,n){return this.throwIfDisposed(),di().makeVariable(this,e,t,n)}};Object.defineProperty(Me,Symbol.hasInstance,{value:r=>!!r&&r.data!=null&&r.dataSync!=null&&r.throwIfDisposed!=null});function O(){return tf("Tensor",()=>Me)}O();var vl=class extends Me{constructor(e,t,n,o){super(e.shape,e.dtype,e.dataId,o);this.trainable=t,this.name=n}assign(e){if(e.dtype!==this.dtype)throw new Error(`dtype of the new value (${e.dtype}) and previous value (${this.dtype}) must match`);if(!en(e.shape,this.shape))throw new Error(`shape of the new value (${e.shape}) and previous value (${this.shape}) must match`);di().disposeTensor(this),this.dataId=e.dataId,di().incRef(this,null)}dispose(){di().disposeVariable(this),this.isDisposedInternal=!0}};Object.defineProperty(vl,Symbol.hasInstance,{value:r=>r instanceof Me&&r.assi
Manifest JSON has weights with names: ${i.join(", ")}.`)}let l=o.reduce((f,d,h)=>(d&&f.push(h),f),[]),u=[];l.forEach(f=>{e[f].paths.forEach(d=>{let h=t+(t.endsWith("/")?"":"/")+d;u.push(h)})});let c=await r(u),p={},m=0;return l.forEach(f=>{let d=e[f].paths.length,h=0;for(let _=0;_<d;_++)h+=c[m+_].byteLength;let g=new ArrayBuffer(h),x=new Uint8Array(g),b=0;for(let _=0;_<d;_++){let C=new Uint8Array(c[m+_]);x.set(C,b),b+=C.byteLength}s[f].forEach(_=>{let C=g.slice(_.groupOffset,_.groupOffset+_.sizeBytes),A=Rg(C,[_.manifestEntry]);for(let D in A)p[D]=A[D]}),m+=d}),p}}var x4="application/octet-stream",y4="application/json",Og=class{constructor(e,t){if(this.DEFAULT_METHOD="POST",t==null&&(t={}),this.weightPathPrefix=t.weightPathPrefix,this.onProgress=t.onProgress,this.weightUrlConverter=t.weightUrlConverter,t.fetchFunc!=null?(E(typeof t.fetchFunc=="function",()=>"Must pass a function that matches the signature of `fetch` (see https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API)"),this.fetch=t.fetchFunc):this.fetch=W().platform.fetch,E(e!=null&&e.length>0,()=>"URL path for http must not be null, undefined or empty."),Array.isArray(e)&&E(e.length===2,()=>`URL paths for http must have a length of 2, (actual length is ${e.length}).`),this.path=e,t.requestInit!=null&&t.requestInit.body!=null)throw new Error("requestInit is expected to have no pre-existing body, but has one.");this.requestInit=t.requestInit||{}}async save(e){if(e.modelTopology instanceof ArrayBuffer)throw new Error("BrowserHTTPRequest.save() does not support saving model topology in binary formats yet.");let t=Object.assign({method:this.DEFAULT_METHOD},this.requestInit);t.body=new FormData;let n=[{paths:["./model.weights.bin"],weights:e.weightSpecs}],o={modelTopology:e.modelTopology,format:e.format,generatedBy:e.generatedBy,convertedBy:e.convertedBy,weightsManifest:n};e.signature!=null&&(o.signature=e.signature),e.userDefinedMetadata!=null&&(o.userDefinedMetadata=e.userDefinedMetadata),e.modelInitializer!=null&&(o.modelInitializer=e.modelInitializer),t.body.append("model.json",new Blob([JSON.stringify(o)],{type:y4}),"model.json"),e.weightData!=null&&t.body.append("model.weights.bin",new Blob([e.weightData],{type:x4}),"model.weights.bin");let s=await this.fetch(this.path,t);if(s.ok)return{modelArtifactsInfo:hi(e),responses:[s]};throw new Error(`BrowserHTTPRequest.save() failed due to HTTP response status ${s.status}.`)}async load(){let e=await this.fetch(this.path,this.requestInit);if(!e.ok)throw new Error(`Request to ${this.path} failed with status code ${e.status}. Please verify this URL points to the model JSON of the model to load.`);let t;try{t=await e.json()}catch(d){let h=`Failed to parse model JSON of response from ${this.path}.`;throw this.path.endsWith(".pb")?h+=" Your path contains a .pb file extension. Support for .pb models have been removed in TensorFlow.js 1.0 in favor of .json models. You can re-convert your Python TensorFlow model using the TensorFlow.js 1.0 conversion scripts or you can convert your.pb models with the 'pb2json'NPM script in the tensorflow/tfjs-converter repository.":h+=" Please make sure the server is serving valid JSON for this request.",new Error(h)}let n=t.modelTopology,o=t.weightsManifest,s=t.generatedBy,a=t.convertedBy,i=t.format,l=t.signature,u=t.userDefinedMetadata;if(n==null&&o==null)throw new Error(`The JSON from HTTP path ${this.path} contains neither model topology or manifest for weights.`);let c,p;o!=null&&([c,p]=await this.loadWeights(o));let m={modelTopology:n,weightSpecs:c,weightData:p,generatedBy:s,convertedBy:a,format:i};l!=null&&(m.signature=l),u!=null&&(m.userDefinedMetadata=u);let f=t.modelInitializer;return f&&(m.modelInitializer=f),m}async loadWeights(e){let t=Array.isArray(this.path)?this.path[1]:this.path,[n,o]=b4(t),s=this.weightPathPrefix||n,a=[];for(let c of e)a.push(...c.weights);let i=[],l=[];for(let c of e)for(let p of c.paths)this.weightUrlConverter!=null?l.push(this.weightUrlConverter(p)):i.push(s+p+o);this.weightUrlConverter&&i.push(...await Promise.all(l));let u=await x_(i,{requestInit:this
Actual: ${o}.
Expected: ${s}.`);for(let a=0;a<s.length;++a){let i=o[a],l=s[a];if(!t(i,l))throw new Error(`Arrays differ: actual[${a}] = ${i}, expected[${a}] = ${l}.
Actual: ${o}.
Expected: ${s}.`)}}function M4(r,e){r().then(()=>e.fail(),()=>e())}function L4(r,e){let t=typeof e=="string"||typeof e=="number"||typeof e=="boolean"?[e]:e;return Do(r)||Do(r[0])||Do(e)||Do(e[0])?v_(r,t,(n,o)=>n==o):v_(r,e,(n,o)=>C_(n,o,0))}function z4(r,e,t){if(t==null&&(t=k_()),!C_(r,e,t))throw new Error(`Numbers differ: actual === ${r}, expected === ${e}`)}function C_(r,e,t){return!isFinite(r)&&!isFinite(e)?!0:!(isNaN(r)||isNaN(e)||Math.abs(r-e)>t)}function B4(r,e,t){for(let n=0;n<r.length;n++)if(r[n]<e||r[n]>t)throw new Error(`Value out of range:${r[n]} low: ${e}, high: ${t}`)}function V4(r,e){expect(new Float32Array(r)).toEqual(new Float32Array(e))}function BT(r){for(let e=0;e<r.length;e++){let t=r[e];Array.isArray(t)?BT(t):r[e]=kl(t)}return r}var G4="3.7.0";function Rue(){W().set("PROD",!0)}function Fue(){W().set("DEBUG",!0)}function Oue(){W().set("DEPRECATION_WARNINGS_ENABLED",!1),console.warn("TensorFlow.js deprecation warnings have been disabled.")}function I_(r){W().getBool("DEPRECATION_WARNINGS_ENABLED")&&console.warn(r+" You can disable deprecation warnings with tf.disableDeprecationWarnings().")}W1(I_);function Pue(){T.disposeVariables()}function Ns(){return T}function df(){return T.memory()}function Mue(r){return T.profile(r)}function B(r,e){return T.tidy(r,e)}function De(r){mf(r).forEach(t=>t.dispose())}function Rt(r){return T.keep(r)}function Lue(r){return T.time(r)}function W4(r){return T.setBackend(r)}function zue(){return T.ready()}function Bue(){return T.backendName}function Vue(r){T.removeBackend(r)}function Gue(r){return T.findBackend(r)}function Wue(r){return T.findBackendFactory(r)}function Np(r,e,t=1){return T.registerBackend(r,e,t)}function GT(){return T.backend}function jue(r,e){W().setPlatform(r,e)}function j4(r,e){let t=k(r,"a","add"),n=k(e,"b","add");[t,n]=Ue(t,n);let o={a:t,b:n};return T.runKernel(jn,o)}var J=S({add_:j4});function U4(r,e){let t=k(r,"a","floorDiv"),n=k(e,"b","floorDiv");[t,n]=Ue(t,n);let o={a:t,b:n};return T.runKernel(Uo,o)}var yu=S({floorDiv_:U4});function q4(r,e){let t=k(r,"a","div"),n=k(e,"b","div");if([t,n]=Ue(t,n),t.dtype==="int32"&&n.dtype==="int32")return yu(t,n);let o={a:t,b:n},s={};return T.runKernel(Go,o,s)}var ue=S({div_:q4});function H4(r,e){let t=k(r,"a","mul"),n=k(e,"b","mul");[t,n]=Ue(t,n);let o={a:t,b:n};return T.runKernel(ns,o)}var P=S({mul_:H4});function K4(r){let e=k(r,"x","abs");if(e.dtype==="complex64"){let t={x:e};return T.runKernel(cl,t)}else{let t={x:e};return T.runKernel(Js,t)}}var Tt=S({abs_:K4});function X4(r){let t={x:k(r,"x","acos")};return T.runKernel(Ri,t)}var hf=S({acos_:X4});function Y4(r){let t={x:k(r,"x","acosh")};return T.runKernel(Fi,t)}var gf=S({acosh_:Y4});function Z4(r){E(Array.isArray(r),()=>"The argument passed to tf.addN() must be a list of tensors"),E(r.length>=1,()=>`Must pass at least one tensor to tf.addN(), but got ${r.length}`);let e=r.map((o,s)=>k(o,`tensors${s}`,"addN")),t=e[0];e.forEach(o=>{if(o.dtype!==t.dtype)throw new Error("All tensors passed to tf.addN() must have the same dtype")}),e.forEach(o=>{if(!en(o.shape,t.shape))throw new Error("All tensors passed to tf.addN() must have the same shape")});let n=e;return T.runKernel($o,n)}var S_=S({addN_:Z4});function J4(r,e=null,t=!1){let o={x:k(r,"x","all","bool")},s={axis:e,keepDims:t};return T.runKernel(Oi,o,s)}var bu=S({all_:J4});function Q4(r,e=null,t=!1){let o={x:k(r,"x","any","bool")},s={axis:e,keepDims:t};return T.runKernel(Pi,o,s)}var Sl=S({any_:Q4});function eU(r,e=0){let n={x:k(r,"x","argMax")},o={axis:e};return T.runKernel(Ro,n,o)}var Nl=S({argMax_:eU});function tU(r,e=0){let n={x:k(r,"x","argMin")},o={axis:e};return T.runKernel(al,n,o)}var xf=S({argMin_:tU});function rU(r){let t={x:k(r,"x","asin")};return T.runKernel(Mi,t)}var yf=S({asin_:rU});function nU(r){let t={x:k(r,"x","asinh")};return T.runKernel(Li,t)}var bf=S({asinh_:nU});function oU(r){let t={x:k(r,"x","atan")};return T.runKernel(zi,t)}var wf=S({atan_:oU});function sU(r,e){let t=k(r,"a","atan2"),n=k(e,"b","atan2");[t,n]=Ue(t,n);let o={a:t,b:n};return T.runKernel(Vi,o)}var _f=S({atan2_:sU});function iU(r)
with dtype ${s.dtype}. `)}),t.length===1)return qn(t[0]);let n=t,o={axis:e};return T.runKernel(Qs,n,o)}var et=S({concat_:gU});function xU(r){let t={x:k(r,"x","sigmoid")};return T.runKernel(hs,t)}var Pr=S({sigmoid_:xU});function yU(r,e,t){let n=k(r,"x","slice","string_or_numeric");if(n.rank===0)throw new Error("Slicing scalar is not possible");let o={x:n},s={begin:e,size:t};return T.runKernel(ai,o,s)}var Fe=S({slice_:yU});function bU(r){let t={x:k(r,"x","tanh")};return T.runKernel(ks,t)}var Ts=S({tanh_:bU});function wU(r,e,t,n,o,s){let a=k(r,"forgetBias","basicLSTMCell"),i=k(e,"lstmKernel","basicLSTMCell"),l=k(t,"lstmBias","basicLSTMCell"),u=k(n,"data","basicLSTMCell"),c=k(o,"c","basicLSTMCell"),p=k(s,"h","basicLSTMCell"),m=et([u,p],1),f=Be(m,i),d=J(f,l),h=d.shape[0],g=d.shape[1]/4,x=[h,g],b=Fe(d,[0,0],x),w=Fe(d,[0,g],x),_=Fe(d,[0,g*2],x),C=Fe(d,[0,g*3],x),A=J(P(Pr(b),Ts(w)),P(c,Pr(J(a,_)))),D=P(Ts(A),Pr(C));return[A,D]}var _U=S({basicLSTMCell_:wU});function kU(r,e,t){let n=k(r,"x","batchToSpaceND"),o=e.reduce((i,l)=>i*l);E(n.rank>=1+e.length,()=>`input rank is ${n.rank} but should be > than blockShape.length ${e.length}`),E(t.length===e.length,()=>`crops.length is ${t.length} but should be equal to blockShape.length ${e.length}`),E(n.shape[0]%o==0,()=>`input tensor batch is ${n.shape[0]} but is not divisible by the product of the elements of blockShape ${e.join(" * ")} === ${o}`);let s={x:n},a={blockShape:e,crops:t};return T.runKernel(ul,s,a)}var Na=S({batchToSpaceND_:kU});function UT(r){let e;return r.rank===0||r.rank===1?e=L(r,[1,1,1,r.size]):r.rank===2?e=L(r,[1,1,r.shape[0],r.shape[1]]):r.rank===3?e=L(r,[1,r.shape[0],r.shape[1],r.shape[2]]):e=r,e}function vU(r,e,t,n,o,s){s==null&&(s=.001);let a=k(r,"x","batchNorm"),i=k(e,"mean","batchNorm"),l=k(t,"variance","batchNorm"),u;o!=null&&(u=k(o,"scale","batchNorm"));let c;n!=null&&(c=k(n,"offset","batchNorm")),E(i.rank===l.rank,()=>"Batch normalization gradient requires mean and variance to have equal ranks."),E(c==null||i.rank===c.rank,()=>"Batch normalization gradient requires mean and offset to have equal ranks."),E(u==null||i.rank===u.rank,()=>"Batch normalization gradient requires mean and scale to have equal ranks.");let m={x:UT(a),scale:u,offset:c,mean:i,variance:l},f={varianceEpsilon:s},d=T.runKernel(qo,m,f);return L(d,a.shape)}var uo=S({batchNorm_:vU});function CU(r,e,t,n,o,s){let a=k(r,"x","batchNorm"),i=k(e,"mean","batchNorm"),l=k(t,"variance","batchNorm"),u;o!=null&&(u=k(o,"scale","batchNorm"));let c;return n!=null&&(c=k(n,"offset","batchNorm")),E(a.rank===2,()=>`Error in batchNorm2D: x must be rank 2 but got rank ${a.rank}.`),E(i.rank===2||i.rank===1,()=>`Error in batchNorm2D: mean must be rank 2 or rank 1 but got rank ${i.rank}.`),E(l.rank===2||l.rank===1,()=>`Error in batchNorm2D: variance must be rank 2 or rank 1 but got rank ${l.rank}.`),u!=null&&E(u.rank===2||u.rank===1,()=>`Error in batchNorm2D: scale must be rank 2 or rank 1 but got rank ${u.rank}.`),c!=null&&E(c.rank===2||c.rank===1,()=>`Error in batchNorm2D: offset must be rank 2 or rank 1 but got rank ${c.rank}.`),uo(a,i,l,c,u,s)}var A_=S({batchNorm2d_:CU});function IU(r,e,t,n,o,s){let a=k(r,"x","batchNorm"),i=k(e,"mean","batchNorm"),l=k(t,"variance","batchNorm"),u;o!=null&&(u=k(o,"scale","batchNorm"));let c;return n!=null&&(c=k(n,"offset","batchNorm")),E(a.rank===3,()=>`Error in batchNorm3D: x must be rank 3 but got rank ${a.rank}.`),E(i.rank===3||i.rank===1,()=>`Error in batchNorm3D: mean must be rank 3 or rank 1 but got rank ${i.rank}.`),E(l.rank===3||l.rank===1,()=>`Error in batchNorm3D: variance must be rank 3 or rank 1 but got rank ${l.rank}.`),u!=null&&E(u.rank===3||u.rank===1,()=>`Error in batchNorm3D: scale must be rank 3 or rank 1 but got rank ${u.rank}.`),c!=null&&E(c.rank===3||c.rank===1,()=>`Error in batchNorm3D: offset must be rank 3 or rank 1 but got rank ${c.rank}.`),uo(a,i,l,c,u,s)}var D_=S({batchNorm3d_:IU});function SU(r,e,t,n,o,s){let a=k(r,"x","batchNorm"),i=k(e,"mean","batchNorm"),l=k(t,"variance","batchNorm"),u;o!=null&&(u=k(o,"scale","batchNorm"));let c;return n!=nul
${o} and ${e} for depthToSpace with input shape
${n.shape}`),E(s*e>=0,()=>`Negative dimension size caused by overflow when multiplying
${s} and ${e} for depthToSpace with input shape
${n.shape}`),E(a%(e*e)==0,()=>`Dimension size must be evenly divisible by ${e*e} but is ${a} for depthToSpace with input shape ${n.shape}`);let i={x:n},l={blockSize:e,dataFormat:t};return T.runKernel(ji,i,l)}var Nf=S({depthToSpace_:qU});function HU(r,e,t,n,o="NHWC",s=[1,1],a){let i=k(r,"x","depthwiseConv2d"),l=k(e,"filter","depthwiseConv2d"),u=i,c=!1;i.rank===3&&(c=!0,u=L(i,[1,i.shape[0],i.shape[1],i.shape[2]])),E(u.rank===4,()=>`Error in depthwiseConv2d: input must be rank 4, but got rank ${u.rank}.`),E(l.rank===4,()=>`Error in depthwiseConv2d: filter must be rank 4, but got rank ${l.rank}.`),E(u.shape[3]===l.shape[2],()=>`Error in depthwiseConv2d: number of input channels (${u.shape[3]}) must match the inChannels dimension in filter ${l.shape[2]}.`),a!=null&&E(st(n),()=>`Error in depthwiseConv2d: pad must be an integer when using, dimRoundingMode ${a} but got pad ${n}.`);let p={x:u,filter:l},m={strides:t,pad:n,dataFormat:o,dilations:s,dimRoundingMode:a},f=T.runKernel(Vo,p,m);return c?L(f,[f.shape[1],f.shape[2],f.shape[3]]):f}var Es=S({depthwiseConv2d_:HU});function KU(r){let t={x:k(r,"x","diag")};return T.runKernel(Hc,t)}var XU=S({diag_:KU});function YU(r,e,t,n,o=[1,1],s="NHWC"){let a=k(r,"x","dilation2d"),i=k(e,"filter","dilation2d");E(a.rank===3||a.rank===4,()=>`Error in dilation2d: input must be rank 3 or 4, but got rank ${a.rank}.`),E(i.rank===3,()=>`Error in dilation2d: filter must be rank 3, but got rank ${i.rank}.`),E(s==="NHWC",()=>`Error in dilation2d: Only NHWC is currently supported, but got dataFormat of ${s}`);let l=a,u=!1;a.rank===3&&(l=L(a,[1,a.shape[0],a.shape[1],a.shape[2]]),u=!0);let c={x:l,filter:i},p={strides:t,pad:n,dilations:o},m=T.runKernel(ml,c,p);return u?L(m,[m.shape[1],m.shape[2],m.shape[3]]):m}var Tf=S({dilation2d_:YU});function ZU(r,e){let t=r.length,n=[];for(let o=0;o<t;o++){let s=t-1-o,a=r[s]||1;(e[e.length-1-o]||1)>1&&a===1&&n.unshift(s)}return n}function vt(r,e){let t=[];for(let n=0;n<e.length;n++){let o=r[r.length-n-1],s=e.length-n-1,a=e[s];(o==null||o===1&&a>1)&&t.unshift(s)}return t}function Ve(r,e){let t=[],n=Math.max(r.length,e.length);for(let o=0;o<n;o++){let s=r[r.length-o-1];s==null&&(s=1);let a=e[e.length-o-1];if(a==null&&(a=1),s===1)t.unshift(a);else if(a===1)t.unshift(s);else if(s!==a){let i=`Operands could not be broadcast together with shapes ${r} and ${e}.`;throw Error(i)}else t.unshift(s)}return t}function JU(r,e){let t=k(r,"a","equal","string_or_numeric"),n=k(e,"b","equal","string_or_numeric");[t,n]=Ue(t,n),Ve(t.shape,n.shape);let o={a:t,b:n};return T.runKernel(Hi,o)}var On=S({equal_:JU});function QU(r,e,t){let n=k(e,"a","where"),o=k(t,"b","where"),s=k(r,"condition","where","bool"),a=Ve(Ve(s.shape,n.shape),o.shape),i=Ta(s,a),l=Ta(n,a),u=Ta(o,a),c={condition:i,t:l,e:u};return T.runKernel(ii,c)}var Ct=S({where_:QU});function eq(r){let t={x:k(r,"x","zerosLike")};return T.runKernel(ci,t)}var Se=S({zerosLike_:eq});function tq(r,e){let t=k(r,"a","div"),n=k(e,"b","div");[t,n]=Ue(t,n);let o=ue(t,n),s=Se(o),a=On(n,s);return Ct(a,s,o)}var Ef=S({divNoNan_:tq});function rq(r,e){let t=k(r,"t1","dot"),n=k(e,"t2","dot");E((t.rank===1||t.rank===2)&&(n.rank===1||n.rank===2),()=>`Error in dot: inputs must all be rank 1 or 2, but got ranks ${t.rank} and ${n.rank}.`);let o=t.rank===1?t.size:t.shape[1],s=n.rank===1?n.size:n.shape[0];if(E(o===s,()=>`Error in dot: inner dimensions of inputs must match, but got ${o} and ${s}.`),t.rank===1&&n.rank===1){let a=L(t,[1,-1]),i=L(n,[-1,1]),l=Be(a,i);return L(l,[])}else if(t.rank===1&&n.rank===2){let a=L(t,[1,-1]),i=L(n,[n.shape[0],n.shape[1]]),l=Be(a,i);return L(l,[l.size])}else if(t.rank===2&&n.rank===1){let a=L(n,[-1,1]),i=Be(t,a);return L(i,[i.size])}else{let a=L(n,[n.shape[0],n.shape[1]]);return Be(t,a)}}var z_=S({dot_:rq});function nq(r,...e){let t=e.map((o,s)=>k(o,`tensors${s}`,"einsum")),n={equation:r};return T.runKernel(Kc,t,n)}var B_=S({einsum_:nq});function oq(r){let t={x:k(r,"x","elu")};return T.runKernel(Ui,t)}var As=S({elu_:oq});function sq(r){let e=k(r,"x","erf");E(e.dtype==="int32"||e.dtype==="float32",()=>"Input dtype must be
rank ${s.rank}.`),E(st(e),()=>`Error in localResponseNormalization: depthRadius must be an integer but got depthRadius ${e}.`);let a=s,i=!1;s.rank===3&&(i=!0,a=L(s,[1,s.shape[0],s.shape[1],s.shape[2]]));let l={x:a},u={depthRadius:e,bias:t,alpha:n,beta:o},c=T.runKernel(dl,l,u);return i?L(c,[c.shape[1],c.shape[2],c.shape[3]]):c}var Rf=S({localResponseNormalization_:kq});function vq(r){let t={x:k(r,"x","log")};return T.runKernel(Xo,t)}var hr=S({log_:vq});function Cq(r){let t={x:k(r,"x","log1p")};return T.runKernel(na,t)}var Tu=S({log1p_:Cq});function Iq(r){return E(Ys(r),()=>"The f passed in grad(f) must be a function"),(e,t)=>{let n=k(e,"x","tf.grad","string_or_numeric"),o=t!=null?k(t,"dy","tf.grad"):null;return T.tidy(()=>{let{value:s,grads:a}=T.gradients(()=>r(n),[n],o);return o!=null&&$t(s.shape,o.shape,"The shape of dy passed in grad(f)(x, dy) must match the shape returned by f(x)"),Kg(a),a[0]})}}function Sq(r){return E(Ys(r),()=>"The f passed in grads(f) must be a function"),(e,t)=>{E(Array.isArray(e),()=>"The args passed in grads(f)(args) must be an array of `Tensor`s or `TensorLike`s");let n=_a(e,"args","tf.grads","string_or_numeric"),o=t!=null?k(t,"dy","tf.grads"):null;return T.tidy(()=>{let{value:s,grads:a}=T.gradients(()=>r(...n),n,o);return o!=null&&$t(s.shape,o.shape,"The shape of dy passed in grads(f)([x1,...], dy) must match the shape returned by f([x1,...])"),Kg(a),a})}}function Nq(r){return E(Ys(r),()=>"The f passed in valueAndGrad(f) must be a function"),(e,t)=>{E(e instanceof Me,()=>"The x passed in valueAndGrad(f)(x) must be a tensor"),E(t==null||t instanceof Me,()=>"The dy passed in valueAndGrad(f)(x, dy) must be a tensor");let{grads:n,value:o}=T.gradients(()=>r(e),[e],t);return Kg(n),{grad:n[0],value:o}}}function Tq(r){return E(Ys(r),()=>"The f passed in valueAndGrads(f) must be a function"),(e,t)=>{E(Array.isArray(e)&&e.every(o=>o instanceof Me),()=>"The args passed in valueAndGrads(f)(args) must be array of tensors"),E(t==null||t instanceof Me,()=>"The dy passed in valueAndGrads(f)(args, dy) must be a tensor");let n=T.gradients(()=>r(...e),e,t);return t!=null&&$t(n.value.shape,t.shape,"The shape of dy passed in valueAndGrads(f)([x1,...], dy) must match the shape returned by f([x1,...])"),Kg(n.grads),n}}function Hg(r,e){E(Ys(r),()=>"The f passed in variableGrads(f) must be a function"),E(e==null||Array.isArray(e)&&e.every(u=>u instanceof vl),()=>"The varList passed in variableGrads(f, varList) must be an array of variables");let t=e!=null;if(!t){e=[];for(let u in T.registeredVariables)e.push(T.registeredVariables[u])}let n=t?e.filter(u=>!u.trainable):null,o=e.length;e=e.filter(u=>u.trainable),E(e.length>0,()=>`variableGrads() expects at least one of the input variables to be trainable, but none of the ${o} variables is trainable.`);let s=!0,{value:a,grads:i}=T.gradients(r,e,null,s);E(i.some(u=>u!=null),()=>"Cannot find a connection between any variable and the result of the loss function y=f(x). Please make sure the operations that use variables are inside the function f passed to minimize()."),E(a.rank===0,()=>`The f passed in variableGrads(f) must return a scalar, but it returned a rank-${a.rank} tensor`);let l={};return e.forEach((u,c)=>{i[c]!=null&&(l[u.name]=i[c])}),n!=null&&n.forEach(u=>l[u.name]=null),{value:a,grads:l}}function sn(r){return T.customGrad(r)}function Kg(r){if(r.filter(t=>t==null).length>0)throw new Error(`Cannot compute gradient of y=f(x) with respect to x. Make sure that
the f you passed encloses all operations that lead from x to y.`)}function Eq(r){let t={x:k(r,"x","neg")};return T.runKernel(ri,t)}var Ke=S({neg_:Eq});function Aq(r){let t={x:k(r,"x","softplus")};return T.runKernel(ga,t)}var po=S({softplus_:Aq});function Dq(r){let e=k(r,"x","logSigmoid");return sn(n=>({value:Ke(po(Ke(n))),gradFunc:a=>P(a,Pr(Ke(n)))}))(e)}var j_=S({logSigmoid_:Dq});function $q(r,e=null,t=!1){let o={x:k(r,"x","max")},s={reductionIndices:e,keepDims:t};return T.runKernel(Yo,o,s)}var Er=S({max_:$q});function Rq(r,e){let t=k(r,"a","sub"),n=k(e,"b","sub");[t,n]=Ue(t,n);let o={a:t,b:n};return T.runKernel(ws,o)}var ce=S({sub_:Rq});function Fq(r,e=null,t=!1){let n=k(r,"x","sum");n.dtype==="bool"&&(n=oe(n,"int32"));let o={x:n},s={axis:e,keepDims:t};return T.runKernel(xs,o,s)}var de=S({sum_:Fq});function Oq(r,e=-1){let t=k(r,"logits","logSoftmax");if(e===-1&&(e=t.rank-1),e!==t.rank-1)throw Error(`Log Softmax along a non-last dimension is not yet supported. Logits was rank ${t.rank} and axis was ${e}`);return sn((o,s)=>{let a=!0,i=Er(o,e,!0),l=ce(o,i),u=ce(oe(l,"float32"),hr(de(nr(l),e,a)));return s([u]),{value:u,gradFunc:(p,m)=>{let[f]=m,d=!0,h=nr(f);return ce(p,P(de(p,e,d),h))}}})(t)}var Eu=S({logSoftmax_:Oq});function U_(r,e){for(let t=0;t<r.length;++t)if(r[r.length-t-1]!==e-1-t)return!1;return!0}function qT(r,e,t){let n=r.length+e.length,o=[],s=0,a=0;for(let i=0;i<n;i++)t.indexOf(i)===-1?o.push(r[s++]):o.push(e[a++]);return o}function q_(r,e){let t=[],n=r.length;for(let s=0;s<n;s++)e.indexOf(s)===-1&&t.push(r[s]);let o=e.map(s=>r[s]);return[t,o]}function mo(r,e){let t=e.map(n=>1);return qT(r,t,e)}function Pq(r,e,t){E(U_(e,t),()=>`${r} supports only inner-most axes for now. Got axes ${e} and rank-${t} input.`)}function H_(r,e){if(U_(r,e))return null;let t=[];for(let n=0;n<e;++n)r.indexOf(n)===-1&&t.push(n);return r.forEach(n=>t.push(n)),t}function Ff(r){return r.map((e,t)=>[t,e]).sort((e,t)=>e[1]-t[1]).map(e=>e[0])}function Mq(r,e){let t=[];for(let n=e-r;n<e;++n)t.push(n);return t}function Lq(r,e=null,t=!1){let n=k(r,"x","logSumExp"),o=ar(e,n.shape),s=Er(n,o,!0),a=ce(n,s),i=nr(a),l=de(i,o),u=hr(l),c=J(L(s,u.shape),u);if(t){let p=mo(c.shape,o);return L(c,p)}return c}var Of=S({logSumExp_:Lq});function zq(r,e){let t=k(r,"a","logicalAnd","bool"),n=k(e,"b","logicalAnd","bool");Ve(t.shape,n.shape);let o={a:t,b:n};return T.runKernel(oa,o)}var _r=S({logicalAnd_:zq});function Bq(r){let t={x:k(r,"x","logicalNot","bool")};return T.runKernel(iu,t)}var Da=S({logicalNot_:Bq});function Vq(r,e){let t=k(r,"a","logicalOr","bool"),n=k(e,"b","logicalOr","bool");Ve(t.shape,n.shape);let o={a:t,b:n};return T.runKernel(au,o)}var Au=S({logicalOr_:Vq});function Gq(r,e){let t=k(r,"a","logicalXor","bool"),n=k(e,"b","logicalXor","bool");return Ve(t.shape,n.shape),_r(Au(r,e),Da(_r(r,e)))}var K_=S({logicalXor_:Gq});function Wq(r,e,t,n,o){let s=k(r,"x","maxPool"),a=1,i=s,l=!1;s.rank===3&&(l=!0,i=L(s,[1,s.shape[0],s.shape[1],s.shape[2]])),E(i.rank===4,()=>`Error in maxPool: input must be rank 4 but got rank ${i.rank}.`),E(Tr(t,a),()=>`Error in maxPool: Either strides or dilations must be 1. Got strides ${t} and dilations '${a}'`),o!=null&&E(st(n),()=>`Error in maxPool: pad must be an integer when using, dimRoundingMode ${o} but got pad ${n}.`);let u={x:i},c={filterSize:e,strides:t,pad:n,dimRoundingMode:o},p=T.runKernel(Jo,u,c);return l?L(p,[p.shape[1],p.shape[2],p.shape[3]]):p}var $a=S({maxPool_:Wq});function jq(r,e=[1,1,1],t,n,o,s="NDHWC"){let a=k(r,"x","maxPool3d"),i=a,l=!1;a.rank===4&&(l=!0,i=L(a,[1,a.shape[0],a.shape[1],a.shape[2],a.shape[3]])),E(i.rank===5,()=>`Error in maxPool3d: x must be rank 5 but got rank ${i.rank}.`),E(s==="NDHWC",()=>`Error in maxPool3d: Only NDHWC is currently supported, but got dataFormat of ${s}`),o!=null&&E(st(n),()=>`Error in maxPool3d: pad must be an integer when using, dimRoundingMode ${o} but got pad ${n}.`);let u={x:i},c={filterSize:e,strides:t,pad:n,dimRoundingMode:o,dataFormat:s},p=T.runKernel(hl,u,c);return l?L(p,[p.shape[1],p.shape[2],p.shape[3],p.shape[4]]):p}var Pf=S({maxPool3d_:jq});function Uq(r,
${o.shape}`);if(s.rank!==1)throw new Error(`Values should be Tensor1D but received shape ${s.shape}`);if(a.rank!==1)throw new Error(`Dense shape should be Tensor1D but received shape ${a.shape}`);if(i.rank!==0)throw new Error(`Default value should be a scalar but received shape ${i.shape}`);let l={indices:o,values:s,denseShape:a,defaultValue:i},u=T.runKernel(lp,l);return{outputIndices:u[0],outputValues:u[1],emptyRowIndicator:u[2],reverseIndexMap:u[3]}}var jE=S({sparseFillEmptyRows_:S6});function N6(r,e,t){let n=k(r,"inputIndices","sparseReshape"),o=k(e,"inputShape","sparseReshape"),s=k(t,"newShape","sparseReshape");if(n.rank!==2)throw new Error(`Input indices should be Tensor2D but received shape
${n.shape}`);if(o.rank!==1)throw new Error(`Input shape should be Tensor1D but received shape ${o.shape}`);if(s.rank!==1)throw new Error(`New shape should be Tensor1D but received shape ${s.shape}`);let a={inputIndices:n,inputShape:o,newShape:s},i=T.runKernel(up,a);return{outputIndices:i[0],outputShape:i[1]}}var UE=S({sparseReshape_:N6});function T6(r,e,t){let n=k(r,"data","sparseSegmentMean"),o=k(e,"indices","sparseSegmentMean"),s=k(t,"segmentIds","sparseSegmentMean");if(n.rank<1)throw new Error("Data should be at least 1 dimensional but received scalar");if(o.rank!==1)throw new Error(`Indices should be Tensor1D but received shape
${o.shape}`);if(s.rank!==1)throw new Error(`Segment ids should be Tensor1D but received shape
${s.shape}`);let a={data:n,indices:o,segmentIds:s};return T.runKernel(cp,a)}var qE=S({sparseSegmentMean_:T6});function E6(r,e,t){let n=k(r,"data","sparseSegmentSum"),o=k(e,"indices","sparseSegmentSum"),s=k(t,"segmentIds","sparseSegmentSum");if(n.rank<1)throw new Error("Data should be at least 1 dimensional but received scalar");if(o.rank!==1)throw new Error(`Indices should be Tensor1D but received shape
${o.shape}`);if(s.rank!==1)throw new Error(`Segment ids should be Tensor1D but received shape
${s.shape}`);let a={data:n,indices:o,segmentIds:s};return T.runKernel(pp,a)}var HE=S({sparseSegmentSum_:E6});function A6(r,e,t,n,o,s,a,i){let l=k(r,"data","stringNGrams","string");if(l.dtype!=="string")throw new Error("Data must be of datatype string");if(l.shape.length!==1)throw new Error(`Data must be a vector, saw: ${l.shape}`);let u=k(e,"dataSplits","stringNGrams");if(u.dtype!=="int32")throw new Error("Data splits must be of datatype int32");let c={separator:t,nGramWidths:n,leftPad:o,rightPad:s,padWidth:a,preserveShortSequences:i},p={data:l,dataSplits:u},m=T.runKernel(fp,p,c);return{nGrams:m[0],nGramsSplits:m[1]}}var KE=S({stringNGrams_:A6});function D6(r,e,t=!0){let n=k(r,"input","stringSplit","string"),o=k(e,"delimiter","stringSplit","string");if(n.rank!==1)throw new Error(`Input should be Tensor1D but received shape ${n.shape}`);if(o.rank!==0)throw new Error(`Delimiter should be a scalar but received shape ${o.shape}`);let s={skipEmpty:t},a={input:n,delimiter:o},i=T.runKernel(dp,a,s);return{indices:i[0],values:i[1],shape:i[2]}}var XE=S({stringSplit_:D6});function $6(r,e){let t=k(r,"input","stringToHashBucketFast","string"),n={numBuckets:e};if(e<=0)throw new Error("Number of buckets must be at least 1");let o={input:t};return T.runKernel(hp,o,n)}var YE=S({stringToHashBucketFast_:$6});var URe={fft:Ma,ifft:gi,rfft:La,irfft:zu},YRe={hammingWindow:xE,hannWindow:ox,frame:sx,stft:yE},yi={flipLeftRight:wE,resizeNearestNeighbor:cx,resizeBilinear:ux,rotateWithOffset:_E,cropAndResize:bE,nonMaxSuppression:kE,nonMaxSuppressionAsync:IE,nonMaxSuppressionWithScore:SE,nonMaxSuppressionWithScoreAsync:NE,nonMaxSuppressionPadded:TE,nonMaxSuppressionPaddedAsync:EE,threshold:AE,transform:DE},ZE={bandPart:$E,gramSchmidt:RE,qr:OE},kFe={absoluteDifference:PE,computeWeightedLoss:Lr,cosineDistance:ME,hingeLoss:LE,huberLoss:zE,logLoss:BE,meanSquaredError:VE,sigmoidCrossEntropy:GE,softmaxCrossEntropy:WE},Xf={sparseFillEmptyRows:jE,sparseReshape:UE,sparseSegmentMean:qE,sparseSegmentSum:HE},px={stringNGrams:KE,stringSplit:XE,stringToHashBucketFast:YE};var Ur=class extends jg{minimize(e,t=!1,n){let{value:o,grads:s}=this.computeGradients(e,n);if(n!=null){let a=n.map(i=>({name:i.name,tensor:s[i.name]}));this.applyGradients(a)}else this.applyGradients(s);return De(s),t?o:(o.dispose(),null)}get iterations(){return this.iterations_==null&&(this.iterations_=0),this.iterations_}incrementIterations(){this.iterations_=this.iterations+1}computeGradients(e,t){return Hg(e,t)}dispose(){this.iterations_!=null&&De(this.iterations_)}async saveIterations(){return this.iterations_==null&&(this.iterations_=0),{name:"iter",tensor:pe(this.iterations_,"int32")}}async getWeights(){throw new Error("getWeights() is not implemented for this optimizer yet.")}async setWeights(e){throw new Error(`setWeights() is not implemented for this optimizer class ${this.getClassName()}`)}async extractIterations(e){return this.iterations_=(await e[0].tensor.data())[0],e.slice(1)}};Object.defineProperty(Ur,Symbol.hasInstance,{value:r=>r.minimize!=null&&r.computeGradients!=null&&r.applyGradients!=null});var Mp=class extends Ur{constructor(e,t,n=null){super();this.learningRate=e,this.rho=t,this.epsilon=n,this.accumulatedGrads=[],this.accumulatedUpdates=[],n==null&&(this.epsilon=T.backend.epsilon())}applyGradients(e){(Array.isArray(e)?e.map(n=>n.name):Object.keys(e)).forEach((n,o)=>{let s=T.registeredVariables[n],a=!1;this.accumulatedGrads[o]==null&&(this.accumulatedGrads[o]={originalName:`${n}/accum_grad`,variable:B(()=>Se(s).variable(a))}),this.accumulatedUpdates[o]==null&&(this.accumulatedUpdates[o]={originalName:`${n}/accum_var`,variable:B(()=>Se(s).variable(a))});let i=Array.isArray(e)?e[o].tensor:e[n];if(i==null)return;let l=this.accumulatedGrads[o].variable,u=this.accumulatedUpdates[o].variable;B(()=>{let c=J(P(l,this.rho),P(Le(i),1-this.rho)),p=P(ue(xt(J(u,this.epsilon)),xt(J(l,this.epsilon))),i),m=J(P(u,this.rho),P(Le(p),1-this.rho));l.assign(c),u.assign(m);let f=J(P(p,-this.learningRate),s);s.assign(f)})}),this.incrementIterations()}dispose(){this.accumulatedUpdates!=nu
${s}).`);if(t<n)throw new Error(`batchDims (${n}) must be less than or equal to axis (${t}).`);for(let p=0;p<n;++p)if(r.shape[p]!==e.shape[p])throw new Error(`x.shape[${p}]: ${r.shape[p]} should be equal to indices.shape[${p}]: ${e.shape[p]}.`);let a=r.shape[t],i=[],l=1,u=1,c=1;for(let p=0;p<n;++p)i.push(r.shape[p]),l*=r.shape[p];for(let p=n;p<t;p++)i.push(r.shape[p]),u*=r.shape[p];for(let p=n;p<o;p++)i.push(e.shape[p]);for(let p=t+1;p<s;p++)i.push(r.shape[p]),c*=r.shape[p];return{batchSize:l,sliceSize:c,outerSize:u,dimSize:a,outputShape:i}}function g5(r){try{return r.map(e=>_p(e))}catch(e){throw new Error(`Failed to decode encoded string bytes into utf-8, error: ${e}`)}}function x5(r){return r.map(e=>kl(e))}var zr={};je(zr,{nonMaxSuppressionV3Impl:()=>ix,nonMaxSuppressionV4Impl:()=>ax,nonMaxSuppressionV5Impl:()=>lx,whereImpl:()=>Qg});function te(r,e){Array.isArray(r)||(r=[r]),r.forEach(t=>{t!=null&&y.assert(t.dtype!=="complex64",()=>`${e} does not support complex64 tensors in the CPU backend.`)})}var y5=zr.whereImpl,Hu=class extends Xs{constructor(){super();this.blockSize=48,this.firstUse=!0,this.data=new il(this,Ns())}nextDataId(){return Hu.nextDataId++}write(e,t,n){this.firstUse&&(this.firstUse=!1,W().get("IS_NODE")&&I.warn(`
============================
Hi there \u{1F44B}. Looks like you are running TensorFlow.js in Node.js. To speed things up dramatically, install our node backend, which binds to TensorFlow C++, by running npm i @tensorflow/tfjs-node, or npm i @tensorflow/tfjs-node-gpu if you have CUDA. Then call require('@tensorflow/tfjs-node'); (-gpu suffix for CUDA) at the start of your program. Visit https://github.com/tensorflow/tfjs-node for more details.
============================`));let o={id:this.nextDataId()};return this.data.set(o,{values:e,dtype:n,refCount:1}),o}makeTensorInfo(e,t,n){let o;if(t==="string"&&n!=null&&n.length>0&&y.isString(n[0])){let s=n.map(a=>y.encodeString(a));o=this.write(s,e,t)}else o=this.write(n,e,t);return{dataId:o,shape:e,dtype:t}}refCount(e){return this.data.has(e)?this.data.get(e).refCount:0}incRef(e){let t=this.data.get(e);t.refCount++}decRef(e){if(this.data.has(e)){let t=this.data.get(e);t.refCount--}}move(e,t,n,o,s){this.data.set(e,{values:t,dtype:o,refCount:s})}numDataIds(){return this.data.numDataIds()}async read(e){return this.readSync(e)}readSync(e){let{dtype:t,complexTensorInfos:n}=this.data.get(e);if(t==="complex64"){let o=this.readSync(n.real.dataId),s=this.readSync(n.imag.dataId);return I.mergeRealAndImagArrays(o,s)}return this.data.get(e).values}bufferSync(e){let t=this.readSync(e.dataId),n=t;if(e.dtype==="string")try{n=t.map(o=>y.decodeString(o))}catch(o){throw new Error("Failed to decode encoded string bytes into utf-8")}return Ie(e.shape,e.dtype,n)}makeOutput(e,t,n){let o=this.write(e,t,n);return Ns().makeTensorFromDataId(o,t,n,this)}disposeData(e,t=!1){if(this.data.has(e)){if(this.data.get(e).refCount--,!t&&this.data.get(e).refCount>0)return!1;let{complexTensorInfos:n}=this.data.get(e);n!=null&&(this.disposeData(n.real.dataId,!0),this.disposeData(n.imag.dataId,!0)),this.data.delete(e)}return!0}disposeIntermediateTensorInfo(e){this.disposeData(e.dataId)}async time(e){let t=y.now();return e(),{kernelMs:y.now()-t}}memory(){return{unreliable:!0,reasons:["The reported memory is an upper bound. Due to automatic garbage collection, the true allocated memory may be less."]}}where(e){te([e],"where");let t=this.readSync(e.dataId);return y5(e.shape,t)}dispose(){}floatPrecision(){return 32}epsilon(){return super.epsilon()}};Hu.nextDataId=0;var Nx={};je(Nx,{addImpl:()=>gk,bincountImpl:()=>Up,bincountReduceImpl:()=>fx,ceilImpl:()=>xk,concatImpl:()=>Ku,equalImpl:()=>yk,expImpl:()=>wk,expm1Impl:()=>kk,floorImpl:()=>vk,gatherNdImpl:()=>dx,gatherV2Impl:()=>hx,greaterEqualImpl:()=>Ik,greaterImpl:()=>Ck,lessEqualImpl:()=>Nk,lessImpl:()=>Sk,linSpaceImpl:()=>gx,logImpl:()=>Tk,maxImpl:()=>xx,maximumImpl:()=>Ek,minimumImpl:()=>Ak,multiplyImpl:()=>Zf,negImpl:()=>Dk,notEqualImpl:()=>$k,prodImpl:()=>Rk,rangeImpl:()=>Yu,rsqrtImpl:()=>Fk,simpleAbsImpl:()=>hk,sliceImpl:()=>Zu,sparseFillEmptyRowsImpl:()=>yx,sparseReshapeImpl:()=>bx,sparseSegmentReductionImpl:()=>Hp,squaredDifferenceImpl:()=>Ok,stridedSliceImpl:()=>wx,stringNGramsImpl:()=>_x,stringSplitImpl:()=>kx,stringToHashBucketFastImpl:()=>vx,subImpl:()=>Pk,tileImpl:()=>Cx,topKImpl:()=>Ix,transposeImpl:()=>qp,uniqueImpl:()=>Sx});function hk(r){let e=new Float32Array(r.length);for(let t=0;t<r.length;++t)e[t]=Math.abs(r[t]);return e}var b5=r=>{let{x:e}=r.inputs,t=r.backend;te(e,"abs");let n=new Float32Array(y.sizeFromShape(e.shape)),o=t.data.get(e.dataId).values;return n=hk(o),t.makeOutput(n,e.shape,"float32")},eA={kernelName:Js,backendName:"cpu",kernelFunc:b5};function Ze(r){return(e,t,n,o,s)=>{let a=I.assertAndGetBroadcastShape(e,t),i=a.length,l=y.computeStrides(a),u=y.sizeFromShape(a),c=y.getTypedArrayFromDType(s,u),p=e.length,m=t.length,f=y.computeStrides(e),d=y.computeStrides(t),h=I.getBroadcastDims(e,a),g=I.getBroadcastDims(t,a);if(h.length+g.length===0)for(let x=0;x<c.length;++x)c[x]=r(n[x%n.length],o[x%o.length]);else for(let x=0;x<c.length;++x){let b=y.indexToLoc(x,i,l),w=b.slice(-p);h.forEach(D=>w[D]=0);let _=y.locToIndex(w,p,f),C=b.slice(-m);g.forEach(D=>C[D]=0);let A=y.locToIndex(C,m,d);c[x]=r(n[_],o[A])}return[c,a]}}function xr(r){let{inputs:e,backend:t}=r,{real:n,imag:o}=e,s=t.data.get(n.dataId).values,a=t.data.get(o.dataId).values,i=t.makeTensorInfo(n.shape,"complex64"),l=t.data.get(i.dataId);return l.complexTensorInfos={real:t.makeTensorInfo(n.shape,"float32",s),imag:t.makeTensorInfo(o.shape,"float32",a)},i}var tA={kernelName:Bc,backendName:"cpu",kernelFunc:xr};function Wp(r,e,t="float32"){if(t==="complex64"){let o=Wp(r,e,"float32"),s=Wp(r,e,"float32");return xr({inputs:{real:o,imag:s
indices.shape[0] = ${i}`);let g=y.getArrayFromDType(t,0),x=y.getArrayFromDType(o,0);return[g,[0,p],x,u,c]}let m=!0,f=0,d=new Array(l).fill(0);for(let g=0;g<i;++g){let x=r[g*p];if(x<0)throw new Error(`indices(${g}, 0) is invalid: ${x} < 0`);if(x>=l)throw new Error(`indices(${g}, 0) is invalid: ${x} >= ${l}`);++d[x],m=m&&x>=f,f=x}let h=!0;for(let g=0;g<l;++g){let x=d[g]===0;u[g]=x,h=h&&!x,d[g]=Math.max(d[g],1),g>0&&(d[g]+=d[g-1])}if(h&&m){let g=r,x=n;for(let b=0;b<i;++b)c[b]=b;return[g,[i,p],x,u,c]}else{let g=d[l-1],x=y.getArrayFromDType(t,g*p),b=y.getArrayFromDType(o,g),w=new Array(l).fill(0);for(let _=0;_<i;++_){let C=r[_*p],A=w[C],D=(C===0?0:d[C-1])+A;w[C]++;for(let $=0;$<p;++$)x[D*p+$]=r[_*p+$];b[D]=n[_],c[_]=D}for(let _=0;_<l;++_)if(w[_]===0){let A=_===0?0:d[_-1];x[A*p+0]=_;for(let D=1;D<p;++D)x[A*p+D]=0;b[A]=a}return[x,[g,p],b,u,c]}}function bx(r,e,t,n,o){let s=y.sizeFromShape(n),a=e[0],i=o.length,l=[],u=1,c=-1;for(let g=0;g<i;++g){let x=o[g];if(x===-1){if(c!==-1)throw new Error(`only one output dimension may be -1, not both ${c} and ${g}`);c=g,l.push(1)}else{if(x<0)throw new Error(`size ${g} must be non-negative, not ${x}`);u*=x,l.push(x)}}if(c!==-1){if(u<=0)throw new Error("reshape cannot infer the missing input size for an empty tensor unless all specified input sizes are non-zero");let g=Math.trunc(s/u);if(u*g!==s)throw new Error(`Input to reshape is a SparseTensor with ${s}
dense values, but the requested shape requires a multiple of ${u}. inputShape=${n} outputShape= ${l}`);l[c]=g}let p=y.sizeFromShape(l);if(p!==s)throw new Error(`Input to reshape is a tensor with ${s} dense values, but the requested shape has ${p}. inputShape=${n} outputShape=${l}`);let m=n.length,f=[];if(m>0){f[m-1]=1;for(let g=m-2;g>=0;--g)f[g]=f[g+1]*n[g+1]}let d=[];if(i>0){d[i-1]=1;for(let g=i-2;g>=0;--g)d[g]=d[g+1]*l[g+1]}let h=y.getArrayFromDType(t,a*i);for(let g=0;g<a;++g){let x=0;for(let b=0;b<m;++b)x+=r[g*m+b]*f[b];for(let b=0;b<i;++b)h[g*i+b]=Math.trunc(x/d[b]),x%=d[b]}return[h,[a,i],l]}function Hp(r,e,t,n,o,s=!1,a=0){let i=n.length;if(i!==o.length)throw new Error("segmentIds and indices should have same size.");let l=[e[0],r.length/e[0]],u=l[1],p=i>0?o[i-1]+1:0;if(p<0)throw new Error("segment ids must be >= 0");let m=e.slice();m[0]=p;let f=m.reduce((w,_)=>w*_,1),d=y.getArrayFromDType(t,f);if(i===0)return p>0&&d.fill(a),[d,m];if(p<=0)throw new Error("segment ids must be >= 0");let h=0,g=1,x=0,b=o[h];for(;;){let w=0;if(g<i){if(w=o[g],b===w){++g;continue}if(b>=w)throw new Error("segment ids are not increasing")}if(b<0||b>=p)throw new Error(`Segment id ${b} out of range [0, ${p}), possibly because segmentIds input is not sorted.`);b>x&&d.fill(a,x*u,b*u);for(let _=h;_<g;++_){let C=n[_];if(C<0||C>=l[0])throw new Error(`Bad: indices[${_}] == ${n[_]} out of range [0, ${l[0]})`);for(let A=0;A<u;A++)d[b*u+A]+=r[C*u+A]}if(s)for(let _=0;_<u;_++)d[b*u+_]/=g-h;if(h=g,++g,x=b+1,b=w,g>i)break}return x<p&&d.fill(a,x*u,p*u),[d,m]}var Ok=Ze((r,e)=>{let t=r-e;return t*t}),P5=tt(bs,Ok),IA={kernelName:bs,backendName:"cpu",kernelFunc:P5};function wx(r,e,t,n){let o=Ie(r,e.dtype);for(let s=0;s<o.size;s++){let a=o.indexToLoc(s),i=new Array(a.length);for(let l=0;l<i.length;l++)i[l]=a[l]*t[l]+n[l];o.set(e.get(...i),...a)}return o}var SA=class{constructor(e,t,n,o,s,a){this.separator=y.encodeString(e),this.nGramWidths=t,this.leftPad=y.encodeString(n),this.rightPad=y.encodeString(o),this.padWidth=s,this.preserveShort=a}getPadWidth(e){return Math.min(this.padWidth<0?e-1:this.padWidth,e-1)}getNumNGrams(e,t){let n=this.getPadWidth(t);return Math.max(0,e+2*n-t+1)}createNGrams(e,t,n,o,s,a){for(let i=0;i<s;++i){let l=this.getPadWidth(a),u=Math.max(0,l-i),c=Math.max(0,l-(s-(i+1))),p=a-(u+c),m=t+(u>0?0:i-l),f=0;f+=u*this.leftPad.length;for(let b=0;b<p;++b)f+=e[m+b].length;f+=c*this.rightPad.length,f+=(u+c+p-1)*this.separator.length,n[o+i]=new Uint8Array(f);let h=n[o+i],g=0,x=b=>b.forEach(w=>h[g++]=w);for(let b=0;b<u;++b)x(this.leftPad),x(this.separator);for(let b=0;b<p-1;++b)x(e[m+b]),x(this.separator);if(p>0){x(e[m+p-1]);for(let b=0;b<c;++b)x(this.separator),x(this.rightPad)}else{for(let b=0;b<c-1;++b)x(this.rightPad),x(this.separator);x(this.rightPad)}}}compute(e,t){let n=e.length,o=t.length;if(o>0){let l=t[0];if(l!==0)throw new Error(`First split value must be 0, got ${l}`);for(let u=1;u<o;++u){let c=t[u]>=l;if(c=c&&t[u]<=n,!c)throw new Error(`Invalid split value ${t[u]}, must be in [${l}, ${n}]`);l=t[u]}if(l!==n)throw new Error(`Last split value must be data size. Expected ${n}, got ${l}`)}let s=o-1,a=y.getArrayFromDType("int32",o);if(n===0||o===0){let l=new Array(n);for(let u=0;u<=s;++u)a[u]=0;return[l,a]}a[0]=0;for(let l=1;l<=s;++l){let u=t[l]-t[l-1],c=0;this.nGramWidths.forEach(p=>{c+=this.getNumNGrams(u,p)}),this.preserveShort&&u>0&&c===0&&(c=1),a[l]=a[l-1]+c}let i=new Array(a[s]);for(let l=0;l<s;++l){let u=t[l],c=a[l];if(this.nGramWidths.forEach(p=>{let m=t[l+1]-t[l],f=this.getNumNGrams(m,p);this.createNGrams(e,u,i,c,f,p),c+=f}),this.preserveShort&&c===a[l]){let p=t[l+1]-t[l];if(p===0)continue;let m=p+2*this.padWidth,f=1;this.createNGrams(e,u,i,c,f,m)}}return[i,a]}};function _x(r,e,t,n,o,s,a,i){return new SA(t,n,o,s,a,i).compute(r,e)}function M5(r,e,t){if(!r.length)return[];if(e.length===0){let s=new Array(r.length);for(let a=0;a<r.length;++a)s[a]=r.subarray(a,a+1);return s}if(e.length===1){let s=e[0],a=[],i=r.indexOf(s);for(;i!==-1;){let l=r.subarray(0,i);(!t||l.length!==0)&&a.push(l),r=r.subarray(i+1),i=r.indexOf(s)}return(!t||
${s.shape}`);if(n.shape.length!==2)throw new Error(`Indices must be a matrix, saw:
${n.shape}`);if(o.shape.length!==1)throw new Error(`Values must be a vector, saw:
${o.shape}`);if(a.shape.length!==0)throw new Error(`Default value must be a scalar, saw:
${a.shape}`);let i=t.data.get(n.dataId).values,l=t.data.get(o.dataId).values,u=t.data.get(s.dataId).values,c=t.data.get(a.dataId).values[0],[p,m,f,d,h]=yx(i,n.shape,n.dtype,l,o.dtype,u,c);return[t.makeTensorInfo(m,n.dtype,p),t.makeTensorInfo([m[0]],o.dtype,f),t.makeTensorInfo([d.length],"bool",new Uint8Array(d.map(g=>Number(g)))),t.makeTensorInfo([h.length],n.dtype,new Int32Array(h))]}var MD={kernelName:lp,backendName:"cpu",kernelFunc:GX};function WX(r){let{inputs:e,backend:t}=r,{inputIndices:n,inputShape:o,newShape:s}=e;if(n.shape.length!==2)throw new Error(`Input indices should be a matrix but received shape
${n.shape}`);if(o.shape.length!==1)throw new Error(`Input shape should be a vector but received shape
${o.shape}`);if(s.shape.length!==1)throw new Error(`Target shape should be a vector but received shape ${s.shape}`);let a=Array.from(t.data.get(o.dataId).values),i=t.data.get(n.dataId).values,l=Array.from(t.data.get(s.dataId).values),[u,c,p]=bx(i,n.shape,n.dtype,a,l);return[t.makeTensorInfo(c,n.dtype,u),t.makeTensorInfo([p.length],s.dtype,new Int32Array(p))]}var LD={kernelName:up,backendName:"cpu",kernelFunc:WX};function jX(r){let{inputs:e,backend:t}=r,{data:n,indices:o,segmentIds:s}=e;if(n.shape.length<1)throw new Error("Data should be at least 1 dimensional but received scalar");if(o.shape.length!==1)throw new Error(`Indices should be a vector but received shape
${o.shape}`);if(s.shape.length!==1)throw new Error(`Segment ids should be a vector but received shape
${s.shape}`);let a=t.data.get(n.dataId).values,i=t.data.get(o.dataId).values,l=t.data.get(s.dataId).values,[u,c]=Hp(a,n.shape,n.dtype,i,l,!0);return t.makeTensorInfo(c,n.dtype,u)}var zD={kernelName:cp,backendName:"cpu",kernelFunc:jX};function UX(r){let{inputs:e,backend:t}=r,{data:n,indices:o,segmentIds:s}=e;if(n.shape.length<1)throw new Error("Data should be at least 1 dimensional but received scalar");if(o.shape.length!==1)throw new Error(`Indices should be a vector but received shape
${o.shape}`);if(s.shape.length!==1)throw new Error(`Segment ids should be a vector but received shape
${s.shape}`);let a=t.data.get(n.dataId).values,i=t.data.get(o.dataId).values,l=t.data.get(s.dataId).values,[u,c]=Hp(a,n.shape,n.dtype,i,l);return t.makeTensorInfo(c,n.dtype,u)}var BD={kernelName:pp,backendName:"cpu",kernelFunc:UX};function qX(r){let{inputs:e,backend:t,attrs:n}=r,{sparseIndices:o,sparseValues:s,defaultValue:a}=e,{outputShape:i}=n,{sliceRank:l,numUpdates:u,sliceSize:c,strides:p,outputSize:m}=I.calculateShapes(s,o,i),f=!1,d=t.bufferSync(o),h=t.bufferSync(s),g=t.data.get(a.dataId).values[0],x=$x(d,h,i,m,c,u,l,p,g,f);return t.makeTensorInfo(i,x.dtype,x.values)}var VD={kernelName:mp,backendName:"cpu",kernelFunc:qX};function HX(r){let{inputs:e,backend:t,attrs:n}=r,{x:o}=e,{numOrSizeSplits:s,axis:a}=n,i=y.parseAxisParam(a,o.shape)[0],l=I.prepareSplitSize(o,s,i),u=new Array(o.shape.length).fill(0),c=o.shape.slice();return l.map(p=>{let m=[...c];m[i]=p;let f=_o({inputs:{x:o},backend:t,attrs:{begin:u,size:m}});return u[i]+=p,f})}var GD={kernelName:li,backendName:"cpu",kernelFunc:HX};var KX=Re(gs,r=>Math.sqrt(r)),WD={kernelName:gs,backendName:"cpu",kernelFunc:KX};var jD={kernelName:bl,backendName:"cpu",kernelFunc:({inputs:r,backend:e})=>{let{x:t}=r,n=e;te(t,"square");let o=n.data.get(t.dataId).values,s=new Float32Array(o.length);for(let i=0;i<o.length;++i){let l=o[i];s[i]=l*l}return{dataId:n.write(s,t.shape,t.dtype),shape:t.shape,dtype:t.dtype}}};var XX=Re(oo,(r,e)=>{let t=e;return isNaN(r)?NaN:r>0?1:t.alpha}),UD={kernelName:oo,backendName:"cpu",kernelFunc:XX};function YX(r){let{inputs:e,backend:t,attrs:n}=r,{x:o}=e,{begin:s,end:a,strides:i,beginMask:l,endMask:u,ellipsisMask:c,newAxisMask:p,shrinkAxisMask:m}=n;te(o,"stridedSlice");let{nonStrided:f,$begin:d,$strides:h,size:g,newShape:x,outShape:b}=lr.sliceInfo(o.shape,s,a,i,l,u,c,p,m),w=Je({inputs:{x:o},backend:t,attrs:{shape:x}}),_;if(f){let A=_o({inputs:{x:w},backend:t,attrs:{begin:d,size:g}});_=Je({inputs:{x:A},backend:t,attrs:{shape:b}}),t.disposeIntermediateTensorInfo(A)}else if(b.some(A=>A===0))_=t.makeTensorInfo(b,o.dtype,[]);else{let A=t.bufferSync(w),D=wx(b,A,h,d);_=t.makeTensorInfo(D.shape,D.dtype,D.values)}let C=Je({inputs:{x:_},backend:t,attrs:{shape:b}});return t.disposeIntermediateTensorInfo(w),t.disposeIntermediateTensorInfo(_),C}var qD={kernelName:xa,backendName:"cpu",kernelFunc:YX};function ZX(r){let{inputs:e,backend:t,attrs:n}=r,{separator:o,nGramWidths:s,leftPad:a,rightPad:i,padWidth:l,preserveShortSequences:u}=n,{data:c,dataSplits:p}=e,m=t.data.get(c.dataId).values,f=t.data.get(p.dataId).values,[d,h]=_x(m,f,o,s,a,i,l,u);return[t.makeTensorInfo([d.length],"string",d),t.makeTensorInfo(p.shape,"int32",h)]}var HD={kernelName:fp,backendName:"cpu",kernelFunc:ZX};function JX(r){let{inputs:e,backend:t,attrs:n}=r,{skipEmpty:o}=n,{input:s,delimiter:a}=e;if(s.dtype!=="string")throw new Error("Input must be of datatype string");if(s.shape.length!==1)throw new Error(`Input must be a vector, got shape: ${s.shape}`);if(a.shape.length!==0)throw new Error(`Delimiter must be a scalar, got shape: ${a.shape}`);let i=t.data.get(s.dataId).values,l=t.data.get(a.dataId).values[0],[u,c,p]=kx(i,l,o),m=c.length;return[t.makeTensorInfo([m,2],"int32",u),t.makeTensorInfo([m],"string",c),t.makeTensorInfo([2],"int32",new Int32Array(p))]}var KD={kernelName:dp,backendName:"cpu",kernelFunc:JX};function QX(r){let{inputs:e,backend:t,attrs:n}=r,{numBuckets:o}=n,{input:s}=e;if(s.dtype!=="string")throw new Error("Input must be of datatype string");if(o<=0)throw new Error("Number of buckets must be at least 1");let a=t.data.get(s.dataId).values,i=vx(a,o);return t.makeTensorInfo(s.shape,"int32",i)}var XD={kernelName:hp,backendName:"cpu",kernelFunc:QX};var e7=Re(_s,r=>Math.tan(r)),YD={kernelName:_s,backendName:"cpu",kernelFunc:e7};var t7=Re(ks,r=>Math.tanh(r)),ZD={kernelName:ks,backendName:"cpu",kernelFunc:t7};function r7(r){let{inputs:e,backend:t,attrs:n}=r,{x:o}=e,{reps:s}=n;te(o,"tile");let a=Cx(t.bufferSync(o),s);return t.makeTensorInfo(a.shape,a.dtype,a.values)}var JD={kernelName:Un,backendName:"cpu",kernelFunc:r7};function n7(r){let{inputs:e,backend:t,attrs:n}=r,{x:o}=e,{k:
`),s=o.length.toString().length+2,a=o.map((p,m)=>y.rightPad((m+1).toString(),s)+p),i=0;for(let p=0;p<a.length;p++)i=Math.max(a[p].length,i);let l=a.slice(0,n-1),u=a.slice(n-1,n),c=a.slice(n);console.log(l.join(`
`)),console.log(e.split(`
`)[0]),console.log(`%c ${y.rightPad(u[0],i)}`,"border:1px solid red; background-color:#e3d2d2; color:#a61717"),console.log(c.join(`
`))}function rv(r){return Ga(r,()=>r.createProgram(),"Unable to create WebGLProgram.")}function nv(r,e){if(Ne(r,()=>r.linkProgram(e)),r.getProgramParameter(e,r.LINK_STATUS)===!1)throw console.log(r.getProgramInfoLog(e)),new Error("Failed to link vertex and fragment shaders.")}function sd(r,e){if(Ne(r,()=>r.validateProgram(e)),r.getProgramParameter(e,r.VALIDATE_STATUS)===!1)throw console.log(r.getProgramInfoLog(e)),new Error("Shader program validation failed.")}function ov(r,e){let t=Ga(r,()=>r.createBuffer(),"Unable to create WebGLBuffer");return Ne(r,()=>r.bindBuffer(r.ARRAY_BUFFER,t)),Ne(r,()=>r.bufferData(r.ARRAY_BUFFER,e,r.STATIC_DRAW)),t}function sv(r,e){let t=Ga(r,()=>r.createBuffer(),"Unable to create WebGLBuffer");return Ne(r,()=>r.bindBuffer(r.ELEMENT_ARRAY_BUFFER,t)),Ne(r,()=>r.bufferData(r.ELEMENT_ARRAY_BUFFER,e,r.STATIC_DRAW)),t}function k7(){return W().getNumber("WEBGL_VERSION")===2?1:4}function iv(r){return Ga(r,()=>r.createTexture(),"Unable to create WebGLTexture.")}function av(r,e){let t=W().getNumber("WEBGL_MAX_TEXTURE_SIZE");if(r<=0||e<=0){let n=`[${r}x${e}]`;throw new Error("Requested texture size "+n+" is invalid.")}if(r>t||e>t){let n=`[${r}x${e}]`,o=`[${t}x${t}]`;throw new Error("Requested texture size "+n+" greater than WebGL maximum on this browser / GPU "+o+".")}}function lv(r){return Ga(r,()=>r.createFramebuffer(),"Unable to create WebGLFramebuffer.")}function Rx(r,e,t,n,o,s,a){let i=r.getAttribLocation(e,t);return i===-1?!1:(Ne(r,()=>r.bindBuffer(r.ARRAY_BUFFER,n)),Ne(r,()=>r.vertexAttribPointer(i,o,r.FLOAT,!1,s,a)),Ne(r,()=>r.enableVertexAttribArray(i)),!0)}function l$(r,e,t){c$(r,t),Ne(r,()=>r.activeTexture(r.TEXTURE0+t)),Ne(r,()=>r.bindTexture(r.TEXTURE_2D,e))}function v7(r,e){c$(r,e),Ne(r,()=>r.activeTexture(r.TEXTURE0+e)),Ne(r,()=>r.bindTexture(r.TEXTURE_2D,null))}function uv(r,e,t){return Ga(r,()=>r.getUniformLocation(e,t),'uniform "'+t+'" not present in program.')}function cv(r,e,t){return r.getUniformLocation(e,t)}function pv(r,e,t,n){Ne(r,()=>l$(r,e,n)),Ne(r,()=>r.uniform1i(t,n))}function C7(r){Ne(r,()=>r.bindFramebuffer(r.FRAMEBUFFER,null)),Ne(r,()=>r.viewport(0,0,r.canvas.width,r.canvas.height)),Ne(r,()=>r.scissor(0,0,r.canvas.width,r.canvas.height))}function id(r,e,t){Ne(r,()=>r.bindFramebuffer(r.FRAMEBUFFER,t)),Ne(r,()=>r.framebufferTexture2D(r.FRAMEBUFFER,r.COLOR_ATTACHMENT0,r.TEXTURE_2D,e,0))}function Fx(r,e){Ne(r,()=>r.bindFramebuffer(r.FRAMEBUFFER,e)),Ne(r,()=>r.framebufferTexture2D(r.FRAMEBUFFER,r.COLOR_ATTACHMENT0,r.TEXTURE_2D,null,0))}function Jp(r){let e=r.checkFramebufferStatus(r.FRAMEBUFFER);if(e!==r.FRAMEBUFFER_COMPLETE)throw new Error("Error binding framebuffer: "+u$(r,e))}function u$(r,e){switch(e){case r.FRAMEBUFFER_INCOMPLETE_ATTACHMENT:return"FRAMEBUFFER_INCOMPLETE_ATTACHMENT";case r.FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT:return"FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT";case r.FRAMEBUFFER_INCOMPLETE_DIMENSIONS:return"FRAMEBUFFER_INCOMPLETE_DIMENSIONS";case r.FRAMEBUFFER_UNSUPPORTED:return"FRAMEBUFFER_UNSUPPORTED";default:return`unknown error ${e}`}}function Ga(r,e,t){let n=Ne(r,()=>e());if(n==null)throw new Error(t);return n}function c$(r,e){let t=r.MAX_COMBINED_TEXTURE_IMAGE_UNITS-1,n=e+r.TEXTURE0;if(n<r.TEXTURE0||n>t){let o=`[gl.TEXTURE0, gl.TEXTURE${t}]`;throw new Error(`textureUnit must be in ${o}.`)}}function Wa(r,e=2){return y.sizeFromShape(r.slice(0,r.length-e))}function ja(r){if(r.length===0)throw Error("Cannot get rows and columns of an empty shape array.");return[r.length>1?r[r.length-2]:1,r[r.length-1]]}function ad(r){let e=[1,1,1];return r.length===0||r.length===1&&r[0]===1||(e=[Wa(r),...ja(r)]),e}function mv(r,e=!1){let t=W().getNumber("WEBGL_MAX_TEXTURE_SIZE");e&&(t=t*2,r=r.map((o,s)=>s>=r.length-2?y.nearestLargerEven(r[s]):r[s]),r.length===1&&(r=[2,r[0]])),r.length!==2&&(r=y.squeezeShape(r).newShape);let n=y.sizeFromShape(r);if(r.length<=1&&n<=t)return[1,n];if(r.length===2&&r[0]<=t&&r[1]<=t)return r;if(r.length===3&&r[0]*r[1]<=t&&r[2]<=t)return[r[0]*r[1],r[2]];if(r.length===3&&r[0]<=t&&r[1]*r[2]<=t)return[r[0],r[1]*r[2]];if(r.length===4&&r[0]*r[1]
bool isnan_custom(float val) {
return (val > 0.0 || val < 0.0) ? false : val != 0.0;
2021-03-10 16:03:15 +01:00
}
bvec4 isnan_custom(vec4 val) {
return bvec4(isnan_custom(val.x),
isnan_custom(val.y), isnan_custom(val.z), isnan_custom(val.w));
2021-03-10 16:03:15 +01:00
}
#define isnan(value) isnan_custom(value)
`,l="",u=`
#define round(value) newRound(value)
int newRound(float value) {
return int(floor(value + 0.5));
2021-03-15 13:52:28 +01:00
}
ivec4 newRound(vec4 value) {
return ivec4(floor(value + vec4(0.5)));
2021-03-11 16:26:14 +01:00
}
`):(r="",e="attribute",t="varying",n="varying",o="texture2D",s="gl_FragColor",a="",i=`
#define isnan(value) isnan_custom(value)
bool isnan_custom(float val) {
return (val > 0. || val < 1. || val == 0.) ? false : true;
2021-03-11 16:26:14 +01:00
}
bvec4 isnan_custom(vec4 val) {
return bvec4(isnan(val.x), isnan(val.y), isnan(val.z), isnan(val.w));
2021-03-12 22:43:36 +01:00
}
`,l=`
uniform float INFINITY;
bool isinf(float val) {
return abs(val) == INFINITY;
2021-06-04 19:51:01 +02:00
}
bvec4 isinf(vec4 val) {
return equal(abs(val), vec4(INFINITY));
2021-06-04 19:51:01 +02:00
}
`,u=`
int round(float value) {
return int(floor(value + 0.5));
2021-06-04 19:51:01 +02:00
}
ivec4 round(vec4 value) {
return ivec4(floor(value + vec4(0.5)));
2021-06-04 19:51:01 +02:00
}
`),{version:r,attribute:e,varyingVs:t,varyingFs:n,texture2D:o,output:s,defineOutput:a,defineSpecialNaN:i,defineSpecialInf:l,defineRound:u}}function Ms(r,e,t="index"){let n=y.computeStrides(e);return n.map((o,s)=>{let a=`int ${r[s]} = ${t} / ${o}`,i=s===n.length-1?`int ${r[s+1]} = ${t} - ${r[s]} * ${o}`:`index -= ${r[s]} * ${o}`;return`${a}; ${i};`}).join("")}function Qp(r){let e=y.computeStrides(r).map(t=>t.toString());return`
int getFlatIndex(ivec3 coords) {
return coords.x * ${e[0]} + coords.y * ${e[1]} + coords.z;
2021-04-28 14:58:21 +02:00
}
`}var zx=`
const float FLOAT_MAX = 1.70141184e38;
const float FLOAT_MIN = 1.17549435e-38;
lowp vec4 encode_float(highp float v) {
if (isnan(v)) {
return vec4(255, 255, 255, 255);
}
highp float av = abs(v);
if(av < FLOAT_MIN) {
return vec4(0.0, 0.0, 0.0, 0.0);
} else if(v > FLOAT_MAX) {
return vec4(0.0, 0.0, 128.0, 127.0) / 255.0;
} else if(v < -FLOAT_MAX) {
return vec4(0.0, 0.0, 128.0, 255.0) / 255.0;
}
highp vec4 c = vec4(0,0,0,0);
highp float e = floor(log2(av));
highp float m = exp2(fract(log2(av))) - 1.0;
c[2] = floor(128.0 * m);
m -= c[2] / 128.0;
c[1] = floor(32768.0 * m);
m -= c[1] / 32768.0;
c[0] = floor(8388608.0 * m);
highp float ebias = e + 127.0;
c[3] = floor(ebias / 2.0);
ebias -= c[3] * 2.0;
c[2] += floor(ebias) * 128.0;
c[3] += 128.0 * step(0.0, -v);
2021-06-04 15:20:59 +02:00
return c / 255.0;
2021-04-28 14:58:21 +02:00
}
`;var wv=class{constructor(e){this.variableNames=["A"],this.packedInputs=!1,this.packedOutput=!0,this.outPackingScheme=$l.DENSE;let t=Rl(e),n=Lt();this.outputShape=e,this.userCode=`
ivec3 outCoordsFromFlatIndex(int index) {
${Ms(["r","c","d"],e)}
return ivec3(r, c, d);
2021-06-04 19:51:01 +02:00
}
void main() {
ivec2 resTexRC = ivec2(resultUV.yx *
vec2(${t[0]}, ${t[1]}));
int index = 4 * (resTexRC.x * ${t[1]} + resTexRC.y);
vec4 result = vec4(0.);
for (int i=0; i<4; i++) {
int flatIndex = index + i;
ivec3 rc = outCoordsFromFlatIndex(flatIndex);
result[i] = getA(rc.x, rc.y, rc.z);
2021-03-15 13:52:28 +01:00
}
${n.output} = result;
2021-03-15 13:52:28 +01:00
}
`}};var _v=class{constructor(e){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0,this.outPackingScheme=$l.DENSE;let t=Rl(e),n=Lt();this.outputShape=e,this.userCode=`
ivec3 outCoordsFromFlatIndex(int index) {
${Ms(["r","c","d"],e)}
return ivec3(r, c, d);
2021-06-04 19:51:01 +02:00
}
void main() {
ivec2 resTexRC = ivec2(resultUV.yx *
vec2(${t[0]}, ${t[1]}));
int index = 4 * (resTexRC.x * ${t[1]} + resTexRC.y);
vec4 result = vec4(0.);
for (int i=0; i<4; i++) {
int flatIndex = index + i;
ivec3 rc = outCoordsFromFlatIndex(flatIndex);
result[i] = getChannel(getA(rc.x, rc.y, rc.z), vec2(rc.y, rc.z));
2021-04-28 14:55:26 +02:00
}
${n.output} = result;
}
`}};var kv=class{constructor(e){this.variableNames=["A"],this.outTexUsage=Vr.DOWNLOAD;let t=Lt();this.outputShape=e,this.userCode=`
${zx}
void main() {
float x = getAAtOutCoords();
${t.output} = encode_float(x);
2021-06-03 15:53:11 +02:00
}
`}};var vv=class{constructor(e){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!1,this.outTexUsage=Vr.DOWNLOAD;let t=Lt();this.outputShape=e,this.userCode=`
${zx}
void main() {
ivec3 coords = getOutputCoords();
float x = getChannel(getAAtOutCoords(), vec2(coords.y, coords.z));
${t.output} = encode_float(x);
2021-06-04 19:51:01 +02:00
}
`}};var Cv=class{constructor(e,t,n=!1){this.variableNames=["A"];let o=Lt(),[s,a]=t;this.outputShape=e;let i="result";n&&(i="floor(result * 255. + 0.5)"),this.userCode=`
${Qp(e)}
void main() {
ivec3 coords = getOutputCoords();
int flatIndex = getFlatIndex(coords);
int offset = imod(flatIndex, 4);
flatIndex = idiv(flatIndex, 4, 1.);
int r = flatIndex / ${a};
int c = imod(flatIndex, ${a});
vec2 uv = (vec2(c, r) + halfCR) / vec2(${a}.0, ${s}.0);
vec4 values = ${o.texture2D}(A, uv);
float result;
if(offset == 0) {
result = values[0];
} else if(offset == 1) {
result = values[1];
} else if(offset == 2) {
result = values[2];
2021-04-28 14:58:21 +02:00
} else {
result = values[3];
2021-06-04 19:51:01 +02:00
}
${o.output} = vec4(${i}, 0., 0., 0.);
2021-06-04 19:51:01 +02:00
}
`}};var Iv=class{constructor(e,t,n=!1){this.variableNames=["A"],this.packedInputs=!1,this.packedOutput=!0;let o=Lt(),[s,a]=t;this.outputShape=e;let i="",l="result";n&&(l="floor(result * 255. + 0.5)");for(let u=0;u<=1;u++)for(let c=0;c<=1;c++){let p=u*2+c;i+=`
localCoords = coords;
if(localCoords[2] + ${c} < ${e[2]}) {
localCoords[2] += ${c};
if(localCoords[1] + ${u} < ${e[1]}) {
localCoords[1] += ${u};
flatIndex = getFlatIndex(localCoords);
offset = imod(flatIndex, 4);
flatIndex = idiv(flatIndex, 4, 1.);
r = flatIndex / ${a};
c = imod(flatIndex, ${a});
uv = (vec2(c, r) + halfCR) / vec2(${a}.0, ${s}.0);
values = ${o.texture2D}(A, uv);
if(offset == 0) {
result[${p}] = values[0];
} else if(offset == 1) {
result[${p}] = values[1];
} else if(offset == 2) {
result[${p}] = values[2];
} else {
result[${p}] = values[3];
}
2021-06-03 15:53:11 +02:00
}
}
`}this.userCode=`
${Qp(e)}
void main() {
ivec3 coords = getOutputCoords();
vec4 result = vec4(0.);
int flatIndex, r, c, offset;
ivec3 localCoords;
vec2 uv;
vec4 values;
${i}
${o.output} = ${l};
2021-06-04 15:20:59 +02:00
}
`}};var m$={};je(m$,{bindVertexProgramAttributeStreams:()=>Fv,createBufferFromOutputTexture:()=>Mv,createFloat16MatrixTexture:()=>Av,createFloat16PackedMatrixTexture:()=>Rv,createFloat32MatrixTexture:()=>Ev,createIndexBuffer:()=>Tv,createPackedMatrixTexture:()=>$v,createUnsignedBytesMatrixTexture:()=>Dv,createVertexBuffer:()=>Nv,createVertexShader:()=>Sv,downloadByteEncodedFloatMatrixFromOutputTexture:()=>zv,downloadFloat32MatrixFromBuffer:()=>Lv,downloadMatrixFromPackedOutputTexture:()=>Vv,downloadPackedMatrixFromBuffer:()=>Bv,getInternalFormatForFloat16MatrixTexture:()=>Vx,getInternalFormatForFloat16PackedMatrixTexture:()=>jx,getInternalFormatForFloat32MatrixTexture:()=>Bx,getInternalFormatForPackedMatrixTexture:()=>Wx,getInternalFormatForUnsignedBytesMatrixTexture:()=>Gx,uploadDenseMatrixToTexture:()=>Ov,uploadPixelDataToTexture:()=>Pv});function Sv(r){let e=Lt(),t=`${e.version}
precision highp float;
${e.attribute} vec3 clipSpacePos;
${e.attribute} vec2 uv;
${e.varyingVs} vec2 resultUV;
void main() {
gl_Position = vec4(clipSpacePos, 1);
resultUV = uv;
}`;return ev(r,t)}function Nv(r){let e=new Float32Array([-1,1,0,0,1,-1,-1,0,0,0,1,1,0,1,1,1,-1,0,1,0]);return ov(r,e)}function Tv(r){let e=new Uint16Array([0,1,2,2,1,3]);return sv(r,e)}function ld(r,e,t,n,o,s){av(e,t);let a=iv(r),i=r.TEXTURE_2D;return Ne(r,()=>r.bindTexture(i,a)),Ne(r,()=>r.texParameteri(i,r.TEXTURE_WRAP_S,r.CLAMP_TO_EDGE)),Ne(r,()=>r.texParameteri(i,r.TEXTURE_WRAP_T,r.CLAMP_TO_EDGE)),Ne(r,()=>r.texParameteri(i,r.TEXTURE_MIN_FILTER,r.NEAREST)),Ne(r,()=>r.texParameteri(i,r.TEXTURE_MAG_FILTER,r.NEAREST)),Ne(r,()=>r.texImage2D(i,0,n,e,t,0,o,s,null)),Ne(r,()=>r.bindTexture(r.TEXTURE_2D,null)),a}function Bx(r){return r.internalFormatFloat}function Ev(r,e,t,n){let[o,s]=Qu(e,t);return ld(r,o,s,Bx(n),n.textureFormatFloat,r.FLOAT)}function Vx(r){return r.internalFormatHalfFloat}function Av(r,e,t,n){let[o,s]=Qu(e,t);return ld(r,o,s,Vx(n),n.textureFormatFloat,n.textureTypeHalfFloat)}function Gx(r){return r.downloadTextureFormat}function Dv(r,e,t,n){let[o,s]=Qu(e,t);return ld(r,o,s,Gx(n),r.RGBA,r.UNSIGNED_BYTE)}function Wx(r){return r.internalFormatPackedFloat}function $v(r,e,t,n){let[o,s]=wi(e,t);return ld(r,o,s,Wx(n),r.RGBA,r.FLOAT)}function jx(r){return r.internalFormatPackedHalfFloat}function Rv(r,e,t,n){let[o,s]=wi(e,t);return ld(r,o,s,jx(n),r.RGBA,n.textureTypeHalfFloat)}function Fv(r,e,t){let n=0,o=3*4,s=3*4+2*4;return Ne(r,()=>r.bindBuffer(r.ARRAY_BUFFER,t)),Rx(r,e,"clipSpacePos",t,3,s,n)&&Rx(r,e,"uv",t,2,s,o)}function Ov(r,e,t,n,o,s){Ne(r,()=>r.bindTexture(r.TEXTURE_2D,e));let a,i,l;o instanceof Uint8Array?(a=new Uint8Array(t*n*4),i=r.UNSIGNED_BYTE,l=r.RGBA):(a=new Float32Array(t*n*4),i=r.FLOAT,l=s.internalFormatPackedFloat),a.set(o),Ne(r,()=>r.texImage2D(r.TEXTURE_2D,0,l,t,n,0,r.RGBA,i,a)),Ne(r,()=>r.bindTexture(r.TEXTURE_2D,null))}function Pv(r,e,t){Ne(r,()=>r.bindTexture(r.TEXTURE_2D,e)),t.data instanceof Uint8Array?Ne(r,()=>r.texImage2D(r.TEXTURE_2D,0,r.RGBA,t.width,t.height,0,r.RGBA,r.UNSIGNED_BYTE,t.data)):Ne(r,()=>r.texImage2D(r.TEXTURE_2D,0,r.RGBA,r.RGBA,r.UNSIGNED_BYTE,t)),Ne(r,()=>r.bindTexture(r.TEXTURE_2D,null))}function Mv(r,e,t,n){let o=r.createBuffer();Ne(r,()=>r.bindBuffer(r.PIXEL_PACK_BUFFER,o));let i=4*4*e*t;return Ne(r,()=>r.bufferData(r.PIXEL_PACK_BUFFER,i,r.STREAM_READ)),Ne(r,()=>r.readPixels(0,0,t,e,r.RGBA,r.FLOAT,0)),Ne(r,()=>r.bindBuffer(r.PIXEL_PACK_BUFFER,null)),o}function Lv(r,e,t){let n=r,o=new Float32Array(t);return n.bindBuffer(n.PIXEL_PACK_BUFFER,e),n.getBufferSubData(n.PIXEL_PACK_BUFFER,0,o),n.bindBuffer(n.PIXEL_PACK_BUFFER,null),o}function zv(r,e,t,n){let[o,s]=Qu(e,t),a=4,i=new Uint8Array(s$(e*t,a));return Ne(r,()=>r.readPixels(0,0,o,s,n.downloadTextureFormat,r.UNSIGNED_BYTE,i)),new Float32Array(i.buffer)}function Bv(r,e,t,n,o,s,a,i){let l=r,u=new Float32Array(i$(s,a));return l.bindBuffer(l.PIXEL_PACK_BUFFER,e),l.getBufferSubData(l.PIXEL_PACK_BUFFER,0,u),l.bindBuffer(l.PIXEL_PACK_BUFFER,null),u}function Vv(r,e,t){let n=new Float32Array(e*t*4);return Ne(r,()=>r.readPixels(0,0,t,e,r.RGBA,r.FLOAT,n)),n}var Ux=class{constructor(e){this.outputTexture=null,this.program=null,this.disposed=!1,this.vertexAttrsAreBound=!1,this.itemsToPoll=[];let t=W().getNumber("WEBGL_VERSION");e!=null?(this.gl=e,Jk(t,e)):this.gl=Xn(t);let n="WEBGL_color_buffer_float",o="EXT_color_buffer_half_float";if(W().getNumber("WEBGL_VERSION")===1){let s="OES_texture_float",a="OES_texture_half_float";if(this.textureFloatExtension=Zp(this.gl,s),Mn(this.gl,a))this.textureHalfFloatExtension=Zp(this.gl,a);else if(W().get("WEBGL_FORCE_F16_TEXTURES"))throw new Error("GL context does not support half float textures, yet the environment flag WEBGL_FORCE_F16_TEXTURES is set to true.");if(this.colorBufferFloatExtension=this.gl.getExtension(n),Mn(this.gl,o))this.colorBufferHalfFloatExtension=Zp(this.gl,o);else if(W().get("WEBGL_FORCE_F16_TEXTURES"))throw new Error("GL context does not support color renderable half floats, yet the environment flag WEBGL_FORCE_F16_TEXTURES is set to true.")}else if(n="EXT_color_buffer_float",Mn(this.gl,n))this.colorBufferFloatExtension=this.gl.getExtension(n);else if(Mn(this.gl,o))this.
`),a=r.map(d=>E7(d,e,n)).join(`
`),i=e.texShape,l=Lt(),u=$7(l),c,p,m=O7(l);return e.isPacked?(c=A7(e.logicalShape,i),p=F7(l)):(c=D7(e.logicalShape,i),p=R7(l)),n&&(m+=z7),[m,u,p,s,c,a,t].join(`
`)}function em(r){let e=r.shapeInfo.logicalShape;switch(e.length){case 0:return Z7(r);case 1:return Q7(r);case 2:return tY(r);case 3:return nY(r);case 4:return sY(r);case 5:return iY(r);case 6:return aY(r);default:throw new Error(`${e.length}-D input sampling is not yet supported`)}}function h$(r){switch(r.shapeInfo.logicalShape.length){case 0:return Y7(r);case 1:return J7(r);case 2:return eY(r);case 3:return rY(r);default:return oY(r)}}function E7(r,e,t=!1){let n="";t?n+=h$(r):n+=em(r);let o=r.shapeInfo.logicalShape,s=e.logicalShape;return o.length<=s.length&&(t?n+=lY(r,e):n+=uY(r,e)),n}function A7(r,e){switch(r.length){case 0:return g$();case 1:return B7(r,e);case 2:return K7(r,e);case 3:return G7(r,e);default:return j7(r,e)}}function D7(r,e){switch(r.length){case 0:return g$();case 1:return V7(r,e);case 2:return X7(r,e);case 3:return W7(r,e);case 4:return U7(r,e);case 5:return q7(r,e);case 6:return H7(r,e);default:throw new Error(`${r.length}-D output sampling is not yet supported`)}}function $7(r){return`
float sampleTexture(sampler2D textureSampler, vec2 uv) {
return ${r.texture2D}(textureSampler, uv).r;
}
`}function R7(r){return`
void setOutput(float val) {
${r.output} = vec4(val, 0, 0, 0);
}
`}function F7(r){return`
void setOutput(vec4 val) {
${r.output} = val;
}
`}function O7(r){return`${r.version}
precision highp float;
precision highp int;
precision highp sampler2D;
${r.varyingFs} vec2 resultUV;
${r.defineOutput}
const vec2 halfCR = vec2(0.5, 0.5);
struct ivec5
{
int x;
int y;
int z;
int w;
int u;
};
struct ivec6
{
int x;
int y;
int z;
int w;
int u;
int v;
};
uniform float NAN;
${r.defineSpecialNaN}
${r.defineSpecialInf}
${r.defineRound}
int imod(int x, int y) {
return x - y * (x / y);
}
int idiv(int a, int b, float sign) {
int res = a / b;
int mod = imod(a, b);
if (sign < 0. && mod != 0) {
res -= 1;
}
return res;
}
//Based on the work of Dave Hoskins
//https://www.shadertoy.com/view/4djSRW
#define HASHSCALE1 443.8975
float random(float seed){
vec2 p = resultUV * seed;
vec3 p3 = fract(vec3(p.xyx) * HASHSCALE1);
p3 += dot(p3, p3.yzx + 19.19);
return fract((p3.x + p3.y) * p3.z);
}
${P7}
${M7}
${L7}
`}var P7=`
vec2 uvFromFlat(int texNumR, int texNumC, int index) {
int texR = index / texNumC;
int texC = index - texR * texNumC;
return (vec2(texC, texR) + halfCR) / vec2(texNumC, texNumR);
}
vec2 packedUVfrom1D(int texNumR, int texNumC, int index) {
int texelIndex = index / 2;
int texR = texelIndex / texNumC;
int texC = texelIndex - texR * texNumC;
return (vec2(texC, texR) + halfCR) / vec2(texNumC, texNumR);
}
`,M7=`
vec2 packedUVfrom2D(int texelsInLogicalRow, int texNumR,
int texNumC, int row, int col) {
int texelIndex = (row / 2) * texelsInLogicalRow + (col / 2);
int texR = texelIndex / texNumC;
int texC = texelIndex - texR * texNumC;
return (vec2(texC, texR) + halfCR) / vec2(texNumC, texNumR);
}
`,L7=`
vec2 packedUVfrom3D(int texNumR, int texNumC,
int texelsInBatch, int texelsInLogicalRow, int b,
int row, int col) {
int index = b * texelsInBatch + (row / 2) * texelsInLogicalRow + (col / 2);
int texR = index / texNumC;
int texC = index - texR * texNumC;
return (vec2(texC, texR) + halfCR) / vec2(texNumC, texNumR);
}
`,z7=`
float getChannel(vec4 frag, vec2 innerDims) {
vec2 modCoord = mod(innerDims, 2.);
return modCoord.x == 0. ?
(modCoord.y == 0. ? frag.r : frag.g) :
(modCoord.y == 0. ? frag.b : frag.a);
}
float getChannel(vec4 frag, int dim) {
float modCoord = mod(float(dim), 2.);
return modCoord == 0. ? frag.r : frag.g;
}
`;function g$(){return`
int getOutputCoords() {
return 0;
}
`}function B7(r,e){let t=[Math.ceil(e[0]/2),Math.ceil(e[1]/2)];return t[0]===1?`
int getOutputCoords() {
return 2 * int(resultUV.x * ${t[1]}.0);
2021-06-03 15:53:11 +02:00
}
`:t[1]===1?`
int getOutputCoords() {
return 2 * int(resultUV.y * ${t[0]}.0);
2021-06-03 15:53:11 +02:00
}
`:`
int getOutputCoords() {
ivec2 resTexRC = ivec2(resultUV.yx *
vec2(${t[0]}, ${t[1]}));
return 2 * (resTexRC.x * ${t[1]} + resTexRC.y);
}
`}function V7(r,e){return e[0]===1?`
int getOutputCoords() {
return int(resultUV.x * ${e[1]}.0);
2021-06-04 15:20:59 +02:00
}
`:e[1]===1?`
int getOutputCoords() {
return int(resultUV.y * ${e[0]}.0);
2021-06-03 15:53:11 +02:00
}
`:`
int getOutputCoords() {
ivec2 resTexRC = ivec2(resultUV.yx *
vec2(${e[0]}, ${e[1]}));
return resTexRC.x * ${e[1]} + resTexRC.y;
}
`}function G7(r,e){let t=[Math.ceil(e[0]/2),Math.ceil(e[1]/2)],n=Math.ceil(r[2]/2),o=n*Math.ceil(r[1]/2);return`
ivec3 getOutputCoords() {
ivec2 resTexRC = ivec2(resultUV.yx *
vec2(${t[0]}, ${t[1]}));
int index = resTexRC.x * ${t[1]} + resTexRC.y;
int b = index / ${o};
index -= b * ${o};
int r = 2 * (index / ${n});
int c = imod(index, ${n}) * 2;
return ivec3(b, r, c);
}
`}function W7(r,e){let t=Ms(["r","c","d"],r);return`
ivec3 getOutputCoords() {
ivec2 resTexRC = ivec2(resultUV.yx *
vec2(${e[0]}, ${e[1]}));
int index = resTexRC.x * ${e[1]} + resTexRC.y;
${t}
return ivec3(r, c, d);
}
`}function j7(r,e){let t=[Math.ceil(e[0]/2),Math.ceil(e[1]/2)],n=Math.ceil(r[r.length-1]/2),o=n*Math.ceil(r[r.length-2]/2),s=o,a="",i="b, r, c";for(let l=2;l<r.length-1;l++)s*=r[r.length-l-1],a=`
int b${l} = index / ${s};
index -= b${l} * ${s};
`+a,i=`b${l}, `+i;return`
ivec${r.length} getOutputCoords() {
ivec2 resTexRC = ivec2(resultUV.yx *
vec2(${t[0]}, ${t[1]}));
int index = resTexRC.x * ${t[1]} + resTexRC.y;
${a}
int b = index / ${o};
index -= b * ${o};
int r = 2 * (index / ${n});
int c = imod(index, ${n}) * 2;
return ivec${r.length}(${i});
}
`}function U7(r,e){let t=Ms(["r","c","d","d2"],r);return`
ivec4 getOutputCoords() {
ivec2 resTexRC = ivec2(resultUV.yx *
vec2(${e[0]}, ${e[1]}));
int index = resTexRC.x * ${e[1]} + resTexRC.y;
${t}
return ivec4(r, c, d, d2);
}
`}function q7(r,e){let t=Ms(["r","c","d","d2","d3"],r);return`
ivec5 getOutputCoords() {
ivec2 resTexRC = ivec2(resultUV.yx * vec2(${e[0]},
${e[1]}));
int index = resTexRC.x * ${e[1]} + resTexRC.y;
${t}
ivec5 outShape = ivec5(r, c, d, d2, d3);
return outShape;
}
`}function H7(r,e){let t=Ms(["r","c","d","d2","d3","d4"],r);return`
ivec6 getOutputCoords() {
ivec2 resTexRC = ivec2(resultUV.yx *
vec2(${e[0]}, ${e[1]}));
int index = resTexRC.x * ${e[1]} + resTexRC.y;
${t}
ivec6 result = ivec6(r, c, d, d2, d3, d4);
return result;
}
`}function K7(r,e){let t=[Math.ceil(e[0]/2),Math.ceil(e[1]/2)];if(y.arraysEqual(r,e))return`
ivec2 getOutputCoords() {
return 2 * ivec2(resultUV.yx * vec2(${t[0]}, ${t[1]}));
2021-06-03 15:53:11 +02:00
}
`;let n=Math.ceil(r[1]/2);return`
ivec2 getOutputCoords() {
ivec2 resTexRC = ivec2(resultUV.yx *
vec2(${t[0]}, ${t[1]}));
int index = resTexRC.x * ${t[1]} + resTexRC.y;
int r = 2 * (index / ${n});
int c = imod(index, ${n}) * 2;
return ivec2(r, c);
}
`}function X7(r,e){return y.arraysEqual(r,e)?`
ivec2 getOutputCoords() {
return ivec2(resultUV.yx * vec2(${e[0]}, ${e[1]}));
2021-06-03 15:53:11 +02:00
}
`:r[1]===1?`
ivec2 getOutputCoords() {
ivec2 resTexRC = ivec2(resultUV.yx *
vec2(${e[0]}, ${e[1]}));
int index = resTexRC.x * ${e[1]} + resTexRC.y;
return ivec2(index, 0);
2021-06-03 15:53:11 +02:00
}
`:r[0]===1?`
ivec2 getOutputCoords() {
ivec2 resTexRC = ivec2(resultUV.yx *
vec2(${e[0]}, ${e[1]}));
int index = resTexRC.x * ${e[1]} + resTexRC.y;
return ivec2(0, index);
2021-06-03 15:53:11 +02:00
}
`:`
ivec2 getOutputCoords() {
ivec2 resTexRC = ivec2(resultUV.yx *
vec2(${e[0]}, ${e[1]}));
int index = resTexRC.x * ${e[1]} + resTexRC.y;
int r = index / ${r[1]};
int c = index - r * ${r[1]};
return ivec2(r, c);
}
`}function ec(r){return`offset${r}`}function Y7(r){let e=r.name,t="get"+e.charAt(0).toUpperCase()+e.slice(1),n=Lt();return`
vec4 ${t}() {
return ${n.texture2D}(${e}, halfCR);
}
`}function Z7(r){let e=r.name,t="get"+e.charAt(0).toUpperCase()+e.slice(1);if(r.shapeInfo.isUniform)return`float ${t}() {return ${e};}`;let[n,o]=r.shapeInfo.texShape;if(n===1&&o===1)return`
float ${t}() {
return sampleTexture(${e}, halfCR);
2021-06-03 15:53:11 +02:00
}
`;let[s,a]=r.shapeInfo.texShape,i=ec(e);return`
float ${t}() {
vec2 uv = uvFromFlat(${s}, ${a}, ${i});
return sampleTexture(${e}, uv);
}
`}function J7(r){let e=r.name,t="get"+e.charAt(0).toUpperCase()+e.slice(1),n=r.shapeInfo.texShape,o=[Math.ceil(n[0]/2),Math.ceil(n[1]/2)],s=Lt();return`
vec4 ${t}(int index) {
vec2 uv = packedUVfrom1D(
${o[0]}, ${o[1]}, index);
return ${s.texture2D}(${e}, uv);
}
`}function Q7(r){let e=r.name,t="get"+e.charAt(0).toUpperCase()+e.slice(1);if(r.shapeInfo.isUniform)return`
float ${t}(int index) {
${tm(r)}
}
`;let n=r.shapeInfo.texShape,o=n[0],s=n[1];if(s===1&&o===1)return`
float ${t}(int index) {
return sampleTexture(${e}, halfCR);
}
`;let a=ec(e);return s===1?`
float ${t}(int index) {
vec2 uv = vec2(0.5, (float(index + ${a}) + 0.5) / ${o}.0);
return sampleTexture(${e}, uv);
}
`:o===1?`
float ${t}(int index) {
vec2 uv = vec2((float(index + ${a}) + 0.5) / ${s}.0, 0.5);
return sampleTexture(${e}, uv);
}
`:`
float ${t}(int index) {
vec2 uv = uvFromFlat(${o}, ${s}, index + ${a});
return sampleTexture(${e}, uv);
}
`}function eY(r){let e=r.shapeInfo.logicalShape,t=r.name,n="get"+t.charAt(0).toUpperCase()+t.slice(1),o=r.shapeInfo.texShape,s=o[0],a=o[1],i=Lt();if(o!=null&&y.arraysEqual(e,o))return`
vec4 ${n}(int row, int col) {
vec2 uv = (vec2(col, row) + halfCR) / vec2(${a}.0, ${s}.0);
return ${i.texture2D}(${t}, uv);
}
`;let l=[Math.ceil(o[0]/2),Math.ceil(o[1]/2)],u=Math.ceil(e[1]/2);return`
vec4 ${n}(int row, int col) {
vec2 uv = packedUVfrom2D(${u}, ${l[0]}, ${l[1]}, row, col);
return ${i.texture2D}(${t}, uv);
}
`}function tY(r){let e=r.shapeInfo.logicalShape,t=r.name,n="get"+t.charAt(0).toUpperCase()+t.slice(1),o=r.shapeInfo.texShape;if(o!=null&&y.arraysEqual(e,o)){let p=o[0],m=o[1];return`
float ${n}(int row, int col) {
vec2 uv = (vec2(col, row) + halfCR) / vec2(${m}.0, ${p}.0);
return sampleTexture(${t}, uv);
}
`}let{newShape:s,keptDims:a}=y.squeezeShape(e),i=s;if(i.length<e.length){let p=rm(r,i),m=["row","col"];return`
${em(p)}
float ${n}(int row, int col) {
return ${n}(${nm(m,a)});
}
`}if(r.shapeInfo.isUniform)return`
float ${n}(int row, int col) {
int index = round(dot(vec2(row, col), vec2(${e[1]}, 1)));
${tm(r)}
}
`;let l=o[0],u=o[1],c=ec(t);return u===1?`
float ${n}(int row, int col) {
float index = dot(vec3(row, col, ${c}), vec3(${e[1]}, 1, 1));
vec2 uv = vec2(0.5, (index + 0.5) / ${l}.0);
return sampleTexture(${t}, uv);
}
`:l===1?`
float ${n}(int row, int col) {
float index = dot(vec3(row, col, ${c}), vec3(${e[1]}, 1, 1));
vec2 uv = vec2((index + 0.5) / ${u}.0, 0.5);
return sampleTexture(${t}, uv);
}
`:`
float ${n}(int row, int col) {
// Explicitly use integer operations as dot() only works on floats.
int index = row * ${e[1]} + col + ${c};
vec2 uv = uvFromFlat(${l}, ${u}, index);
return sampleTexture(${t}, uv);
}
`}function rY(r){let e=r.shapeInfo.logicalShape,t=r.name,n="get"+t.charAt(0).toUpperCase()+t.slice(1),o=r.shapeInfo.texShape,s=[Math.ceil(o[0]/2),Math.ceil(o[1]/2)];if(e[0]===1){let p=e.slice(1),m=[1,2],f=rm(r,p),d=["b","row","col"];return`
${h$(f)}
vec4 ${n}(int b, int row, int col) {
return ${n}(${nm(d,m)});
2021-06-04 19:51:01 +02:00
}
`}let a=s[0],i=s[1],l=Math.ceil(e[2]/2),u=l*Math.ceil(e[1]/2),c=Lt();return`
vec4 ${n}(int b, int row, int col) {
vec2 uv = packedUVfrom3D(
${a}, ${i}, ${u}, ${l}, b, row, col);
return ${c.texture2D}(${t}, uv);
}
`}function nY(r){let e=r.shapeInfo.logicalShape,t=r.name,n="get"+t.charAt(0).toUpperCase()+t.slice(1),o=e[1]*e[2],s=e[2],{newShape:a,keptDims:i}=y.squeezeShape(e),l=a;if(l.length<e.length){let d=rm(r,l),h=["row","col","depth"];return`
${em(d)}
float ${n}(int row, int col, int depth) {
return ${n}(${nm(h,i)});
2021-06-04 19:51:01 +02:00
}
`}if(r.shapeInfo.isUniform)return`
float ${n}(int row, int col, int depth) {
int index = round(dot(vec3(row, col, depth),
vec3(${o}, ${s}, 1)));
${tm(r)}
}
`;let u=r.shapeInfo.texShape,c=u[0],p=u[1],m=r.shapeInfo.flatOffset;if(p===o&&m==null)return`
float ${n}(int row, int col, int depth) {
float texR = float(row);
float texC = dot(vec2(col, depth), vec2(${s}, 1));
vec2 uv = (vec2(texC, texR) + halfCR) /
vec2(${p}.0, ${c}.0);
return sampleTexture(${t}, uv);
2021-06-04 19:51:01 +02:00
}
`;if(p===s&&m==null)return`
float ${n}(int row, int col, int depth) {
float texR = dot(vec2(row, col), vec2(${e[1]}, 1));
float texC = float(depth);
vec2 uv = (vec2(texC, texR) + halfCR) / vec2(${p}.0, ${c}.0);
return sampleTexture(${t}, uv);
}
`;let f=ec(t);return`
float ${n}(int row, int col, int depth) {
// Explicitly use integer operations as dot() only works on floats.
int index = row * ${o} + col * ${s} + depth + ${f};
vec2 uv = uvFromFlat(${c}, ${p}, index);
return sampleTexture(${t}, uv);
}
`}function oY(r){let e=r.shapeInfo.logicalShape,t=e.length,n=r.name,o="get"+n.charAt(0).toUpperCase()+n.slice(1),s=r.shapeInfo.texShape,a=[Math.ceil(s[0]/2),Math.ceil(s[1]/2)],i=a[0],l=a[1],u=Math.ceil(e[t-1]/2),c=u*Math.ceil(e[t-2]/2),p="int b, int row, int col",m=`b * ${c} + (row / 2) * ${u} + (col / 2)`;for(let d=2;d<t-1;d++)p=`int b${d}, `+p,c*=e[t-d-1],m=`b${d} * ${c} + `+m;let f=Lt();return`
vec4 ${o}(${p}) {
int index = ${m};
int texR = index / ${l};
int texC = index - texR * ${l};
vec2 uv = (vec2(texC, texR) + halfCR) / vec2(${l}, ${i});
return ${f.texture2D}(${n}, uv);
}
`}function sY(r){let e=r.shapeInfo.logicalShape,t=r.name,n="get"+t.charAt(0).toUpperCase()+t.slice(1),o=e[3],s=e[2]*o,a=e[1]*s,{newShape:i,keptDims:l}=y.squeezeShape(e);if(i.length<e.length){let d=rm(r,i),h=["row","col","depth","depth2"];return`
${em(d)}
float ${n}(int row, int col, int depth, int depth2) {
return ${n}(${nm(h,l)});
}
`}if(r.shapeInfo.isUniform)return`
float ${n}(int row, int col, int depth, int depth2) {
int index = round(dot(vec4(row, col, depth, depth2),
vec4(${a}, ${s}, ${o}, 1)));
${tm(r)}
2021-06-03 15:53:11 +02:00
}
`;let u=r.shapeInfo.flatOffset,c=r.shapeInfo.texShape,p=c[0],m=c[1];if(m===a&&u==null)return`
float ${n}(int row, int col, int depth, int depth2) {
float texR = float(row);
float texC =
dot(vec3(col, depth, depth2),
vec3(${s}, ${o}, 1));
vec2 uv = (vec2(texC, texR) + halfCR) /
vec2(${m}.0, ${p}.0);
return sampleTexture(${t}, uv);
2021-06-03 15:53:11 +02:00
}
`;if(m===o&&u==null)return`
float ${n}(int row, int col, int depth, int depth2) {
float texR = dot(vec3(row, col, depth),
vec3(${e[1]*e[2]}, ${e[2]}, 1));
float texC = float(depth2);
vec2 uv = (vec2(texC, texR) + halfCR) /
vec2(${m}.0, ${p}.0);
return sampleTexture(${t}, uv);
2021-06-03 15:53:11 +02:00
}
`;let f=ec(t);return`
float ${n}(int row, int col, int depth, int depth2) {
// Explicitly use integer operations as dot() only works on floats.
int index = row * ${a} + col * ${s} +
depth * ${o} + depth2;
vec2 uv = uvFromFlat(${p}, ${m}, index + ${f});
return sampleTexture(${t}, uv);
}
`}function iY(r){let e=r.shapeInfo.logicalShape,t=r.name,n="get"+t.charAt(0).toUpperCase()+t.slice(1),o=e[4],s=e[3]*o,a=e[2]*s,i=e[1]*a,{newShape:l,keptDims:u}=y.squeezeShape(e);if(l.length<e.length){let h=rm(r,l),g=["row","col","depth","depth2","depth3"];return`
${em(h)}
float ${n}(int row, int col, int depth, int depth2, int depth3) {
return ${n}(${nm(g,u)});
}
`}if(r.shapeInfo.isUniform)return`
float ${n}(int row, int col, int depth, int depth2, int depth3) {
float index = dot(
vec4(row, col, depth, depth2),
vec4(${i}, ${a}, ${s}, ${o})) +
depth3;
${tm(r)}
2021-06-03 15:53:11 +02:00
}
`;let c=r.shapeInfo.flatOffset,p=r.shapeInfo.texShape,m=p[0],f=p[1];if(f===i&&c==null)return`
float ${n}(int row, int col, int depth, int depth2, int depth3) {
int texR = row;
float texC = dot(vec4(col, depth, depth2, depth3),
vec4(${a}, ${s}, ${o}, 1));
vec2 uv = (vec2(texC, texR) + halfCR) /
vec2(${f}.0, ${m}.0);
return sampleTexture(${t}, uv);
2021-06-03 15:53:11 +02:00
}
`;if(f===o&&c==null)return`
float ${n}(int row, int col, int depth, int depth2, int depth3) {
float texR = dot(
vec4(row, col, depth, depth2),
vec4(${e[1]*e[2]*e[3]},
${e[2]*e[3]}, ${e[3]}, 1));
int texC = depth3;
vec2 uv = (vec2(texC, texR) + halfCR) /
vec2(${f}.0, ${m}.0);
return sampleTexture(${t}, uv);
2021-06-03 15:53:11 +02:00
}
`;let d=ec(t);return`
float ${n}(int row, int col, int depth, int depth2, int depth3) {
// Explicitly use integer operations as dot() only works on floats.
int index = row * ${i} + col * ${a} + depth * ${s} +
depth2 * ${o} + depth3 + ${d};
vec2 uv = uvFromFlat(${m}, ${f}, index);
return sampleTexture(${t}, uv);
}
`}function aY(r){let e=r.shapeInfo.logicalShape,t=r.name,n="get"+t.charAt(0).toUpperCase()+t.slice(1),{newShape:o,keptDims:s}=y.squeezeShape(e);if(o.length<e.length){let g=rm(r,o),x=["row","col","depth","depth2","depth3","depth4"];return`
${em(g)}
float ${n}(int row, int col, int depth,
int depth2, int depth3, int depth4) {
return ${n}(${nm(x,s)});
2021-06-04 19:51:01 +02:00
}
`}let a=e[5],i=e[4]*a,l=e[3]*i,u=e[2]*l,c=e[1]*u;if(r.shapeInfo.isUniform)return`
float ${n}(int row, int col, int depth,
int depth2, int depth3, int depth4) {
int index = round(dot(
vec4(row, col, depth, depth2),
vec4(${c}, ${u}, ${l}, ${i})) +
dot(
vec2(depth3, depth4),
vec2(${a}, 1)));
${tm(r)}
}
`;let p=r.shapeInfo.flatOffset,m=r.shapeInfo.texShape,f=m[0],d=m[1];if(d===c&&p==null)return`
float ${n}(int row, int col, int depth,
int depth2, int depth3, int depth4) {
int texR = row;
float texC = dot(vec4(col, depth, depth2, depth3),
vec4(${u}, ${l}, ${i}, ${a})) +
float(depth4);
vec2 uv = (vec2(texC, texR) + halfCR) /
vec2(${d}.0, ${f}.0);
return sampleTexture(${t}, uv);
}
`;if(d===a&&p==null)return`
float ${n}(int row, int col, int depth,
int depth2, int depth3, int depth4) {
float texR = dot(vec4(row, col, depth, depth2),
vec4(${e[1]*e[2]*e[3]*e[4]},
${e[2]*e[3]*e[4]},
${e[3]*e[4]},
${e[4]})) + float(depth3);
int texC = depth4;
vec2 uv = (vec2(texC, texR) + halfCR) /
vec2(${d}.0, ${f}.0);
return sampleTexture(${t}, uv);
}
`;let h=ec(t);return`
float ${n}(int row, int col, int depth,
int depth2, int depth3, int depth4) {
// Explicitly use integer operations as dot() only works on floats.
int index = row * ${c} + col * ${u} + depth * ${l} +
depth2 * ${i} + depth3 * ${a} + depth4 + ${h};
vec2 uv = uvFromFlat(${f}, ${d}, index);
return sampleTexture(${t}, uv);
}
`}function tm(r){let e=r.name,t=y.sizeFromShape(r.shapeInfo.logicalShape);return t<2?`return ${e};`:`
for (int i = 0; i < ${t}; i++) {
if (i == index) {
return ${e}[i];
}
}
`}function lY(r,e){let t=r.name,n=t.charAt(0).toUpperCase()+t.slice(1),o="get"+n+"AtOutCoords",s=r.shapeInfo.logicalShape.length,a=e.logicalShape.length,i=f$(r.shapeInfo.logicalShape,e.logicalShape),l=Ge(a),u=a-s,c,p=["x","y","z","w","u","v"];s===0?c="":a<2&&i.length>=1?c="coords = 0;":c=i.map(b=>`coords.${p[b+u]} = 0;`).join(`
`);let m="";a<2&&s>0?m="coords":m=r.shapeInfo.logicalShape.map((b,w)=>`coords.${p[w+u]}`).join(", ");let f="return outputValue;",h=y.sizeFromShape(r.shapeInfo.logicalShape)===1,x=y.sizeFromShape(e.logicalShape)===1;if(s===1&&!h&&!x)f=`
return vec4(outputValue.xy, outputValue.xy);
`;else if(h&&!x)a===1?f=`
return vec4(outputValue.x, outputValue.x, 0., 0.);
`:f=`
return vec4(outputValue.x);
`;else if(i.length){let b=s-2,w=s-1;i.indexOf(b)>-1&&i.indexOf(w)>-1?f="return vec4(outputValue.x);":i.indexOf(b)>-1?f="return vec4(outputValue.x, outputValue.y, outputValue.x, outputValue.y);":i.indexOf(w)>-1&&(f="return vec4(outputValue.xx, outputValue.zz);")}return`
vec4 ${o}() {
${l} coords = getOutputCoords();
${c}
vec4 outputValue = get${n}(${m});
${f}
}
`}function uY(r,e){let t=r.name,n=t.charAt(0).toUpperCase()+t.slice(1),o="get"+n+"AtOutCoords",s=e.texShape,a=r.shapeInfo.texShape,i=r.shapeInfo.logicalShape.length,l=e.logicalShape.length;if(!r.shapeInfo.isUniform&&i===l&&r.shapeInfo.flatOffset==null&&y.arraysEqual(a,s))return`
float ${o}() {
return sampleTexture(${t}, resultUV);
}
`;let u=Ge(l),c=f$(r.shapeInfo.logicalShape,e.logicalShape),p=l-i,m,f=["x","y","z","w","u","v"];i===0?m="":l<2&&c.length>=1?m="coords = 0;":m=c.map(h=>`coords.${f[h+p]} = 0;`).join(`
`);let d="";return l<2&&i>0?d="coords":d=r.shapeInfo.logicalShape.map((h,g)=>`coords.${f[g+p]}`).join(", "),`
float ${o}() {
${u} coords = getOutputCoords();
${m}
return get${n}(${d});
}
`}function Ge(r){if(r<=1)return"int";if(r===2)return"ivec2";if(r===3)return"ivec3";if(r===4)return"ivec4";if(r===5)return"ivec5";if(r===6)return"ivec6";throw Error(`GPU for rank ${r} is not yet supported`)}function rm(r,e){let t=JSON.parse(JSON.stringify(r));return t.shapeInfo.logicalShape=e,t}function nm(r,e){return e.map(t=>r[t]).join(", ")}function x$(r,e,t,n){let o=e.userCode,s=t.map((f,d)=>{let h={logicalShape:f.shape,texShape:f.isUniform?null:f.texData.texShape,isUniform:f.isUniform,isPacked:f.isUniform?!1:f.texData.isPacked,flatOffset:null};return f.texData!=null&&f.texData.slice!=null&&f.texData.slice.flatOffset>0&&(h.flatOffset=f.texData.slice.flatOffset),{name:e.variableNames[d],shapeInfo:h}}),a=s.map(f=>f.shapeInfo),i={logicalShape:n.shape,texShape:n.texData.texShape,isUniform:!1,isPacked:n.texData.isPacked,flatOffset:null},l=d$(s,i,o,e.packedInputs),u=r.createProgram(l),c=null,p=r.getUniformLocation(u,"NAN",!1);W().getNumber("WEBGL_VERSION")===1&&(c=r.getUniformLocation(u,"INFINITY",!1));let m={};for(let f=0;f<e.variableNames.length;f++){let d=e.variableNames[f],h=!1;m[d]=r.getUniformLocation(u,d,h),m[`offset${d}`]=r.getUniformLocation(u,`offset${d}`,h)}return{program:e,source:l,webGLProgram:u,uniformLocations:m,inShapeInfos:a,outShapeInfo:i,infLoc:c,nanLoc:p}}function y$(r,e){if(r.length!==e.length)throw Error(`Binary was compiled with ${r.length} inputs, but was executed with ${e.length} inputs`);r.forEach((t,n)=>{let o=t.logicalShape,s=e[n],a=s.shape;if(!y.arraysEqual(o,a))throw Error(`Binary was compiled with different shapes than the current args. Shapes ${o} and ${a} must match`);if(t.isUniform&&s.isUniform)return;let i=t.texShape,l=s.isUniform?null:s.texData.texShape;if(!y.arraysEqual(i,l))throw Error(`Binary was compiled with different texture shapes than the current args. Shape ${i} and ${l} must match`)})}function b$(r,e,t,n,o){y$(e.inShapeInfos,t),y$([e.outShapeInfo],[n]);let s=n.texData.texture,a=n.texData.texShape;n.texData.isPacked?r.setOutputPackedMatrixTexture(s,a[0],a[1]):r.setOutputMatrixTexture(s,a[0],a[1]),r.setProgram(e.webGLProgram),W().getNumber("WEBGL_VERSION")===1&&e.infLoc!==null&&r.gl.uniform1f(e.infLoc,Infinity),e.nanLoc!==null&&r.gl.uniform1f(e.nanLoc,NaN),t.forEach((i,l)=>{let u=e.program.variableNames[l],c=e.uniformLocations[u],p=e.uniformLocations[`offset${u}`];if(c!=null){if(i.isUniform){if(y.sizeFromShape(i.shape)<2)r.gl.uniform1f(c,i.uniformValues[0]);else{let m=i.uniformValues;m instanceof Float32Array||(m=new Float32Array(m)),r.gl.uniform1fv(c,m)}return}i.texData.slice!=null&&p!=null&&r.gl.uniform1i(p,i.texData.slice.flatOffset),r.setInputMatrixTexture(i.texData.texture,c,l)}}),o!=null&&o(r,e.webGLProgram),r.executeProgram()}function w$(r,e,t){let n="";e.concat(t).forEach(a=>{let i=a.texData!=null&&a.texData.slice!=null&&a.texData.slice.flatOffset>0,l=a.isUniform?"uniform":a.texData.texShape;n+=`${a.shape}_${l}_${i}`});let o=r.userCode,s=r.constructor.name;return s+="_"+n+"_"+o,s}var{addImpl:_$,bincountImpl:qx,bincountReduceImpl:k$,ceilImpl:v$,concatImpl:C$,equalImpl:I$,expImpl:S$,expm1Impl:N$,floorImpl:T$,gatherNdImpl:E$,gatherV2Impl:A$,greaterImpl:D$,greaterEqualImpl:$$,lessImpl:R$,lessEqualImpl:F$,linSpaceImpl:O$,logImpl:P$,maxImpl:M$,maximumImpl:L$,minimumImpl:z$,multiplyImpl:B$,negImpl:V$,notEqualImpl:G$,prodImpl:W$,rangeImpl:j$,rsqrtImpl:U$,simpleAbsImpl:Hx,sliceImpl:q$,sparseFillEmptyRowsImpl:H$,sparseReshapeImpl:K$,sparseSegmentReductionImpl:Kx,stridedSliceImpl:X$,stringNGramsImpl:Y$,stringSplitImpl:Z$,stringToHashBucketFastImpl:J$,subImpl:Q$,tileImpl:eR,topKImpl:tR,transposeImpl:tc,uniqueImpl:rR}=Nx;function Gv(r,e){return["x","y","z","w","u","v"].slice(0,e).map(t=>`${r}.${t}`)}function Xt(r,e){return e===1?[r]:Gv(r,e)}function nR(r,e){if(r===1)return"rc";let t="";for(let n=0;n<r;n++)t+=e[n],n<r-1&&(t+=",");return t}var Wv=class{constructor(e){this.variableNames=["A"],this.packedInputs=!1,this.packedOutput=!0,this.outputShape=e;let t=e.length;if(t===0)this.userCode=`
void main() {
setOutput(vec4(getA(), 0., 0., 0.));
}
`;else{let n=Xt("rc",t),o=Ge(t),s=pY(t,e,n),a=mY(t,e[e.length-1],e[e.length-2],n),i=fY(e,n);this.userCode=`
void main() {
${o} rc = getOutputCoords();
2021-06-04 15:20:59 +02:00
if(${s}) {
setOutput(vec4(0));
} else {
${a}
2021-06-04 19:51:01 +02:00
setOutput(vec4(${i}));
2021-06-04 19:51:01 +02:00
}
2021-06-03 15:53:11 +02:00
}
`}}};function cY(r,e){let t=[];for(let n=0;n<=1;n++)for(let o=0;o<=1;o++){let s=`${n===0?"r":"rp1"}, ${o===0?"c":"cp1"}`;for(let a=2;a<r;a++)s=`${e[e.length-1-a]},`+s;t.push(s)}return t}function pY(r,e,t){if(r===1)return`rc > ${e[0]}`;let n="";for(let o=r-2;o<r;o++)n+=`${t[o]} >= ${e[o]}`,o<r-1&&(n+="||");return n}function mY(r,e,t,n){if(r===1)return"";let o=n.slice(-2);return`
int r = ${o[0]};
int c = ${o[1]};
int rp1 = r + 1;
int cp1 = c + 1;
bool cEdge = cp1 >= ${e};
bool rEdge = rp1 >= ${t};
`}function fY(r,e){let t=r.length,n=cY(t,e);return t===1?`getA(rc),
rc + 1 >= ${r[0]} ? 0. : getA(rc + 1),
0, 0`:`getA(${n[0]}),
cEdge ? 0. : getA(${n[1]}),
rEdge ? 0. : getA(${n[2]}),
rEdge || cEdge ? 0. : getA(${n[3]})`}var ud=class{constructor(e,t){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=e;let n="";for(let o=0;o<4;o++){let s="thisRC = rc;";o%2==1&&(s+="thisRC.z += 1;"),o>1&&(s+="thisRC.y += 1;"),n+=`
${s}
${o>0?"if(thisRC.y < rows && thisRC.z < cols){":""}
int flatIndex = getFlatIndex(thisRC);
ivec3 inputRC = inputCoordsFromReshapedOutCoords(flatIndex);
vec2 inputRCInnerDims = vec2(float(inputRC.y),float(inputRC.z));
result[${o}] =
getChannel(getA(inputRC.x, inputRC.y, inputRC.z), inputRCInnerDims);
${o>0?"}":""}
`}this.userCode=`
${dY(t)}
${Qp(e)}
void main() {
ivec3 rc = getOutputCoords();
vec4 result = vec4(0.);
ivec3 thisRC;
int rows = ${e[1]};
int cols = ${e[2]};
${n}
setOutput(result);
}
`}};function dY(r){return`
ivec3 inputCoordsFromReshapedOutCoords(int index) {
${Ms(["r","c","d"],r)}
return ivec3(r, c, d);
}
`}var jv=class{constructor(e){this.gpgpu=e,this.numUsedTextures=0,this.numFreeTextures=0,this._numBytesAllocated=0,this._numBytesFree=0,this.freeTextures={},this.logEnabled=!1,this.usedTextures={}}acquireTexture(e,t,n){let o=sR(t,n),s=iR(e,o,n);s in this.freeTextures||(this.freeTextures[s]=[]),s in this.usedTextures||(this.usedTextures[s]=[]);let a=oR(e,o,this.gpgpu.gl,this.gpgpu.textureConfig,n);if(this.freeTextures[s].length>0){this.numFreeTextures--,this.numUsedTextures++,this._numBytesFree-=a,this.log();let l=this.freeTextures[s].shift();return this.usedTextures[s].push(l),l}let i;return o===Ar.PACKED_2X2_FLOAT32?i=this.gpgpu.createPackedMatrixTexture(e[0],e[1]):o===Ar.PACKED_2X2_FLOAT16?i=this.gpgpu.createFloat16PackedMatrixTexture(e[0],e[1]):o===Ar.UNPACKED_FLOAT32?i=this.gpgpu.createFloat32MatrixTexture(e[0],e[1]):o===Ar.UNPACKED_FLOAT16?i=this.gpgpu.createFloat16MatrixTexture(e[0],e[1]):o===Ar.PACKED_4X1_UNSIGNED_BYTE&&(i=this.gpgpu.createUnsignedBytesMatrixTexture(e[0],e[1])),this.usedTextures[s].push(i),this.numUsedTextures++,this._numBytesAllocated+=a,this.log(),i}releaseTexture(e,t,n,o){if(this.freeTextures==null)return;let s=sR(n,o),a=iR(t,s,o);a in this.freeTextures||(this.freeTextures[a]=[]);let i=oR(t,s,this.gpgpu.gl,this.gpgpu.textureConfig,o),l=W().get("WEBGL_DELETE_TEXTURE_THRESHOLD");l!==-1&&this._numBytesAllocated>l?(this.gpgpu.deleteMatrixTexture(e),this._numBytesAllocated-=i):(this.freeTextures[a].push(e),this.numFreeTextures++,this._numBytesFree+=i),this.numUsedTextures--;let u=this.usedTextures[a],c=u.indexOf(e);if(c<0)throw new Error("Cannot release a texture that was never provided by this texture manager");u.splice(c,1),this.log()}log(){if(!this.logEnabled)return;let e=this.numFreeTextures+this.numUsedTextures;console.log("Free/Used",`${this.numFreeTextures} / ${this.numUsedTextures}`,`(${e})`);let t=this._numBytesFree/this._numBytesAllocated;console.log(`Bytes allocated: ${this._numBytesAllocated}`),console.log(`Bytes unused: ${this._numBytesFree} (${Math.round(100*t)}%)`)}get numBytesAllocated(){return this._numBytesAllocated}get numBytesFree(){return this._numBytesFree}getNumUsedTextures(){return this.numUsedTextures}getNumFreeTextures(){return this.numFreeTextures}dispose(){if(this.freeTextures!=null){for(let e in this.freeTextures)this.freeTextures[e].forEach(t=>{this.gpgpu.deleteMatrixTexture(t)});for(let e in this.usedTextures)this.usedTextures[e].forEach(t=>{this.gpgpu.deleteMatrixTexture(t)});this.freeTextures=null,this.usedTextures=null,this.numUsedTextures=0,this.numFreeTextures=0,this._numBytesAllocated=0,this._numBytesFree=0}}};function hY(r,e){let t=r;if(e===t.R32F)return 4;if(e===t.R16F)return 2;if(e===t.RGBA32F)return 16;if(e===r.RGBA)return 16;if(e===t.RGBA16F)return 8;throw new Error(`Unknown internal format ${e}`)}function oR(r,e,t,n,o){let s=gY(e,n),a;if(o){let[l,u]=wi(r[0],r[1]);a=l*u}else{let[l,u]=Qu(r[0],r[1]);a=l*u}let i=hY(t,s);return a*i}function gY(r,e){switch(r){case Ar.PACKED_2X2_FLOAT32:return Wx(e);case Ar.PACKED_2X2_FLOAT16:return jx(e);case Ar.UNPACKED_FLOAT32:return Bx(e);case Ar.UNPACKED_FLOAT16:return Vx(e);case Ar.PACKED_4X1_UNSIGNED_BYTE:return Gx(e);default:throw new Error(`Unknown physical texture type ${r}`)}}function xY(r){return W().getBool("WEBGL_RENDER_FLOAT32_ENABLED")?r?Ar.PACKED_2X2_FLOAT32:Ar.UNPACKED_FLOAT32:r?Ar.PACKED_2X2_FLOAT16:Ar.UNPACKED_FLOAT16}function sR(r,e){if(r===Vr.UPLOAD)return Ar.PACKED_2X2_FLOAT32;if(r===Vr.RENDER||r==null)return xY(e);if(r===Vr.DOWNLOAD||r===Vr.PIXELS)return Ar.PACKED_4X1_UNSIGNED_BYTE;throw new Error(`Unknown logical texture type ${r}`)}function iR(r,e,t){return`${r[0]}_${r[1]}_${e}_${t}`}var vn=class{constructor(e,t){this.variableNames=["A"],this.outputShape=e,this.userCode=`
float unaryOperation(float x) {
${t}
}
void main() {
float x = getAAtOutCoords();
float y = unaryOperation(x);
setOutput(y);
}
`}},kr="if (isnan(x)) return x;",aR="return x;",Uv="return abs(x);";var lR="return (x >= 0.0) ? x : (exp(x) - 1.0);",uR=kr+`
return (x < 0.0) ? 0.0 : x;
`,cR=kr+`
return (x < 0.0) ? 0.0 : min(6.0, x);
`,cd="return x;",pR="return 1.0 / (1.0 + exp(-1.0 * x));";var mR="return x;",fR=`
vec4 result;
result.r = (x.r >= 0.0) ? x.r : (exp(x.r) - 1.0);
result.g = (x.g >= 0.0) ? x.g : (exp(x.g) - 1.0);
result.b = (x.b >= 0.0) ? x.b : (exp(x.b) - 1.0);
result.a = (x.a >= 0.0) ? x.a : (exp(x.a) - 1.0);
return result;
`,dR=`
vec4 result = x * vec4(greaterThanEqual(x, vec4(0.0)));
bvec4 isNaN = isnan(x);
result.r = isNaN.r ? x.r : result.r;
result.g = isNaN.g ? x.g : result.g;
result.b = isNaN.b ? x.b : result.b;
result.a = isNaN.a ? x.a : result.a;
return result;
`,hR=`
vec4 result = min(x, vec4(6.)) * vec4(greaterThanEqual(x, vec4(0.0)));
bvec4 isNaN = isnan(x);
result.r = isNaN.r ? x.r : result.r;
result.g = isNaN.g ? x.g : result.g;
result.b = isNaN.b ? x.b : result.b;
result.a = isNaN.a ? x.a : result.a;
return result;
`,gR="return 1.0 / (1.0 + exp(-1.0 * x));",Ls=class{constructor(e,t){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=e,this.userCode=`
vec4 unaryOperation(vec4 x) {
${t}
}
void main() {
vec4 x = getAAtOutCoords();
vec4 y = unaryOperation(x);
setOutput(y);
}
`}};var qv=class{constructor(e){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!1,this.outputShape=e;let t=e.length,n=Xt("rc",t),o=Ge(t),s=nR(t,n),a=n.slice(-2),i=t<=1?"rc":`vec2(${a.join(",")})`;this.userCode=`
void main() {
${o} rc = getOutputCoords();
vec4 packedInput = getA(${s});
setOutput(getChannel(packedInput, ${i}));
}
`}};var yY=zr.whereImpl,bY=1e-7,wY=1e-4,Xx={};function _Y(r){return r in Xx||(Xx[r]={}),Xx[r]}var kY=W().getNumber("CPU_HANDOFF_SIZE_THRESHOLD"),vY=600;function CY(){return W().global.screen==null?1024:W().global.screen.height*W().global.screen.width*window.devicePixelRatio*vY/1024/1024}var rc=class extends Xs{constructor(e){super();if(this.pendingRead=new WeakMap,this.pendingDisposal=new WeakSet,this.dataRefCount=new WeakMap,this.numBytesInGPU=0,this.uploadWaitMs=0,this.downloadWaitMs=0,this.lastGlFlushTime=0,this.warnedAboutMemory=!1,this.pendingDeletes=0,this.disposed=!1,!W().getBool("HAS_WEBGL"))throw new Error("WebGL is not supported on this device");if(e==null){let t=Xn(W().getNumber("WEBGL_VERSION"));this.binaryCache=_Y(W().getNumber("WEBGL_VERSION")),this.gpgpu=new Ux(t),this.canvas=t.canvas,this.gpgpuCreatedLocally=!0}else this.gpgpu=e,this.binaryCache={},this.gpgpuCreatedLocally=!1,this.canvas=e.gl.canvas;this.textureManager=new jv(this.gpgpu),this.numMBBeforeWarning=CY(),this.texData=new il(this,Ns())}nextDataId(){return rc.nextDataId++}numDataIds(){return this.texData.numDataIds()-this.pendingDeletes}write(e,t,n){if((W().getBool("WEBGL_CHECK_NUMERICAL_PROBLEMS")||W().getBool("DEBUG"))&&this.checkNumericalProblems(e),n==="complex64"&&e!=null)throw new Error("Cannot write to a complex64 dtype. Please use tf.complex(real, imag).");let o={id:this.nextDataId()};return this.texData.set(o,{shape:t,dtype:n,values:e,usage:Vr.UPLOAD,refCount:1}),o}refCount(e){return this.texData.has(e)?this.texData.get(e).refCount:0}incRef(e){let t=this.texData.get(e);t.refCount++}decRef(e){if(this.texData.has(e)){let t=this.texData.get(e);t.refCount--}}move(e,t,n,o,s){if(W().getBool("DEBUG")&&this.checkNumericalProblems(t),o==="complex64")throw new Error("Cannot write to a complex64 dtype. Please use tf.complex(real, imag).");this.texData.set(e,{shape:n,dtype:o,values:t,usage:Vr.UPLOAD,refCount:s})}disposeIntermediateTensorInfo(e){this.disposeData(e.dataId)}readSync(e){let t=this.texData.get(e),{values:n,dtype:o,complexTensorInfos:s,slice:a,shape:i,isPacked:l}=t;if(a!=null){let m;l?m=new Ls(i,cd):m=new vn(i,cd);let f=this.runWebGLProgram(m,[{dataId:e,shape:i,dtype:o}],o),d=this.readSync(f.dataId);return this.disposeIntermediateTensorInfo(f),d}if(n!=null)return this.convertAndCacheOnCPU(e);if(o==="string")return n;let u=this.activeTimers!=null,c;u&&(c=y.now());let p;if(o==="complex64"){let m=this.readSync(s.real.dataId),f=this.readSync(s.imag.dataId);p=I.mergeRealAndImagArrays(m,f)}else p=this.getValuesFromTexture(e);return u&&(this.downloadWaitMs+=y.now()-c),this.convertAndCacheOnCPU(e,p)}async read(e){if(this.pendingRead.has(e)){let d=this.pendingRead.get(e);return new Promise(h=>d.push(h))}let t=this.texData.get(e),{values:n,shape:o,slice:s,dtype:a,complexTensorInfos:i,isPacked:l}=t;if(s!=null){let d;l?d=new Ls(o,cd):d=new vn(o,cd);let h=this.runWebGLProgram(d,[{dataId:e,shape:o,dtype:a}],a),g=this.read(h.dataId);return this.disposeIntermediateTensorInfo(h),g}if(n!=null)return this.convertAndCacheOnCPU(e);if(!W().getBool("WEBGL_DOWNLOAD_FLOAT_ENABLED")&&W().getNumber("WEBGL_VERSION")===2)throw new Error("tensor.data() with WEBGL_DOWNLOAD_FLOAT_ENABLED=false and WEBGL_VERSION=2 not yet supported.");let u=null,c;if(a!=="complex64"&&W().get("WEBGL_BUFFER_SUPPORTED")){c=this.decode(e);let d=this.texData.get(c.dataId);u=this.gpgpu.createBufferFromTexture(d.texture,...Rl(o))}this.pendingRead.set(e,[]),a!=="complex64"&&await this.gpgpu.createAndWaitForFence();let p;if(a==="complex64"){let d=await Promise.all([this.read(i.real.dataId),this.read(i.imag.dataId)]),h=d[0],g=d[1];p=I.mergeRealAndImagArrays(h,g)}else if(u==null)p=this.getValuesFromTexture(e);else{let d=y.sizeFromShape(o);p=this.gpgpu.downloadFloat32MatrixFromBuffer(u,d)}c!=null&&this.disposeIntermediateTensorInfo(c);let m=this.convertAndCacheOnCPU(e,p),f=this.pendingRead.get(e);return this.pendingRead.delete(e),f.forEach(d=>d(m)),this.pendingDisposal.has(e)&&(this.pendingDisposal.delete(e),this.disposeData(e)&&Ns().removeDataId(e,this),this.pendingDeletes--),m}bufferSync(e){
if (isnan(a)) return a;
if (isnan(b)) return b;
`;var ko=class{constructor(e,t,n){this.variableNames=["A","B"],this.outputShape=I.assertAndGetBroadcastShape(t,n),this.userCode=`
float binaryOperation(float a, float b) {
${e}
}
void main() {
float a = getAAtOutCoords();
float b = getBAtOutCoords();
setOutput(binaryOperation(a, b));
}
`}};var Ol=`
result.r = isNaN.r > 0. ? NAN : result.r;
result.g = isNaN.g > 0. ? NAN : result.g;
result.b = isNaN.b > 0. ? NAN : result.b;
result.a = isNaN.a > 0. ? NAN : result.a;
`;var zs=class{constructor(e,t,n,o=!1){this.variableNames=["A","B"],this.supportsBroadcasting=!0,this.packedInputs=!0,this.packedOutput=!0,this.outputShape=I.assertAndGetBroadcastShape(t,n);let s=this.outputShape.length,a="";if(o)if(s===0||y.sizeFromShape(this.outputShape)===1)a=`
result.y = 0.;
result.z = 0.;
result.w = 0.;
`;else if(a=`
${Ge(s)} coords = getOutputCoords();
`,s===1)a+=`
result.y = (coords + 1) >= ${this.outputShape[0]} ? 0. : result.y;
result.z = 0.;
result.w = 0.;
`;else{let l=Xt("coords",s);a+=`
bool nextRowOutOfBounds =
(${l[s-2]} + 1) >= ${this.outputShape[s-2]};
bool nextColOutOfBounds =
(${l[s-1]} + 1) >= ${this.outputShape[s-1]};
result.y = nextColOutOfBounds ? 0. : result.y;
result.z = nextRowOutOfBounds ? 0. : result.z;
result.w = nextColOutOfBounds || nextRowOutOfBounds ? 0. : result.w;
`}this.userCode=`
vec4 binaryOperation(vec4 a, vec4 b) {
${e}
}
void main() {
vec4 a = getAAtOutCoords();
vec4 b = getBAtOutCoords();
vec4 result = binaryOperation(a, b);
${a}
setOutput(result);
}
`}};function Yt(r){let{inputs:e,backend:t}=r,{x:n}=e;return t.incRef(n.dataId),{dataId:n.dataId,shape:n.shape,dtype:n.dtype}}var yR={kernelName:no,backendName:"webgl",kernelFunc:Yt};function Cn(r){let{inputs:e,backend:t}=r,{real:n,imag:o}=e,s=t.makeTensorInfo(n.shape,"complex64"),a=t.texData.get(s.dataId),i=Yt({inputs:{x:n},backend:t}),l=Yt({inputs:{x:o},backend:t});return a.complexTensorInfos={real:i,imag:l},s}var bR={kernelName:Bc,backendName:"webgl",kernelFunc:Cn};var Kv="return (a < 0.) ? b * a : a;",Xv=`
vec4 aLessThanZero = vec4(lessThan(a, vec4(0.)));
return (aLessThanZero * (b * a)) + ((vec4(1.0) - aLessThanZero) * a);
`;function SY(r){let{inputs:e,backend:t,attrs:n}=r,{x:o}=e,{alpha:s}=n,a=t.makeTensorInfo([],"float32",y.createScalarValue(s,"float32")),i=W().getBool("WEBGL_PACK_BINARY_OPERATIONS")?new zs(Xv,o.shape,a.shape):new ko(Kv,o.shape,a.shape),l=t.runWebGLProgram(i,[o,a],o.dtype);return t.disposeIntermediateTensorInfo(a),l}var wR={kernelName:Ko,backendName:"webgl",kernelFunc:SY};var Yv="return (a < 0.) ? b * a : a;",Zv=`
vec4 aLessThanZero = vec4(lessThan(a, vec4(0.)));
return (aLessThanZero * (b * a)) + ((vec4(1.0) - aLessThanZero) * a);
`;function NY(r){let{inputs:e,backend:t}=r,{x:n,alpha:o}=e,s=W().getBool("WEBGL_PACK_BINARY_OPERATIONS")?new zs(Zv,n.shape,o.shape):new ko(Yv,n.shape,o.shape);return t.runWebGLProgram(s,[n,o],n.dtype)}var _R={kernelName:as,backendName:"webgl",kernelFunc:NY};var Zx="if (isnan(x)) return x;",kR=`
if (isnan(a)) return a;
if (isnan(b)) return b;
`,vR=`
result.r = isNaN.r > 0. ? NAN : result.r;
result.g = isNaN.g > 0. ? NAN : result.g;
result.b = isNaN.b > 0. ? NAN : result.b;
result.a = isNaN.a > 0. ? NAN : result.a;
`;function ke({opSnippet:r,packedOpSnippet:e,cpuKernelImpl:t,dtype:n}){return({inputs:o,backend:s})=>{let{x:a}=o,i=s,l=n||a.dtype;if(i.shouldExecuteOnCPU([a])&&t!=null){let p=i.texData.get(a.dataId),m=t(p.values,l);return i.makeTensorInfo(a.shape,l,m)}let u=W().getBool("WEBGL_PACK_UNARY_OPERATIONS")&&e!=null,c;return u?c=new Ls(a.shape,e):c=new vn(a.shape,r),i.runWebGLProgram(c,[a],l)}}function it({opSnippet:r,packedOpSnippet:e,checkOutOfBounds:t=!1,supportsComplex:n=!1,cpuKernelImpl:o,dtype:s}){return({inputs:a,backend:i})=>{let{a:l,b:u}=a,c=i;if(n&&l.dtype==="complex64"){let d=c.texData.get(l.dataId),h=c.texData.get(u.dataId),[g,x]=[[d.complexTensorInfos.real,h.complexTensorInfos.real],[d.complexTensorInfos.imag,h.complexTensorInfos.imag]].map(w=>{let[_,C]=w,A={dataId:_.dataId,dtype:_.dtype,shape:l.shape},D={dataId:C.dataId,dtype:C.dtype,shape:u.shape},$=new ko(r,l.shape,u.shape);return c.runWebGLProgram($,[A,D],mr(_.dtype,C.dtype))}),b=Cn({inputs:{real:g,imag:x},backend:c});return c.disposeIntermediateTensorInfo(g),c.disposeIntermediateTensorInfo(x),b}let p=s||mr(l.dtype,u.dtype);if((l.dtype==="string"||u.dtype==="string"||c.shouldExecuteOnCPU([l,u]))&&o!=null){let d=c.texData.get(l.dataId).values,h=c.texData.get(u.dataId).values,g=l.dtype==="string"?I.fromUint8ToStringArray(d):d,x=l.dtype==="string"?I.fromUint8ToStringArray(h):h,[b,w]=o(l.shape,u.shape,g,x,p),_=c.makeTensorInfo(w,p),C=c.texData.get(_.dataId);return C.values=b,_}let m=W().getBool("WEBGL_PACK_BINARY_OPERATIONS")&&e!=null,f;return m?f=new zs(e,l.shape,u.shape,t):f=new ko(r,l.shape,u.shape),c.runWebGLProgram(f,[l,u],p)}}function Pl(r,e=!1){if(r==="linear")return e?mR:aR;if(r==="relu")return e?dR:uR;if(r==="elu")return e?fR:lR;if(r==="relu6")return e?hR:cR;if(r==="prelu")return e?Zv:Yv;if(r==="leakyrelu")return e?Xv:Kv;if(r==="sigmoid")return e?gR:pR;throw new Error(`Activation ${r} has not been implemented for the WebGL backend.`)}var pd=class{constructor(e,t,n,o=!1,s=!1,a=!1,i=null,l=!1,u=!1){this.variableNames=["matrixA","matrixB"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=n;let c=o?e[1]:e[2],p=Math.ceil(c/2),m=o?"i * 2, rc.y":"rc.y, i * 2",f=s?"rc.z, i * 2":"i * 2, rc.z",d=o?["a.xxyy","a.zzww"]:["a.xxzz","a.yyww"],h=s?["b.xzxz","b.ywyw"]:["b.xyxy","b.zwzw"],g="",x="";i&&(l?g=`vec4 activation(vec4 a) {
vec4 b = getPreluActivationWeightsAtOutCoords();
${i}
}`:u?g=`vec4 activation(vec4 a) {
vec4 b = getLeakyreluAlphaAtOutCoords();
${i}
}`:g=`vec4 activation(vec4 x) {
${i}
}`,x="result = activation(result);");let b=a?"result += getBiasAtOutCoords();":"";a&&this.variableNames.push("bias"),l&&this.variableNames.push("preluActivationWeights"),u&&this.variableNames.push("leakyreluAlpha");let w="rc.x",_="rc.x";e[0]<t[0]?w=`int(min(float(rc.x), ${e[0]-1}.))`:t[0]<e[0]&&(_=`int(min(float(rc.x), ${t[0]-1}.))`),this.userCode=`
${g}
const float sharedDimension = ${p}.0;
vec4 dot2x2ARowBCol(ivec3 rc) {
vec4 result = vec4(0);
for (int i = 0; i < ${p}; i++) {
int batchA = ${w};
int batchB = ${_};
vec4 a = getMatrixA(batchA, ${m});
vec4 b = getMatrixB(batchB, ${f});
// These swizzled products need to be separately added.
// See: https://github.com/tensorflow/tfjs/issues/1735
result += (${d[0]} * ${h[0]});
result += (${d[1]} * ${h[1]});
2021-06-03 15:53:11 +02:00
}
return result;
}
void main() {
ivec3 rc = getOutputCoords();
vec4 result = dot2x2ARowBCol(rc);
${b}
${x}
setOutput(result);
}
`}};var Jv={REAL:"return areal * breal - aimag * bimag;",IMAG:"return areal * bimag + aimag * breal;"},Jx=class{constructor(e,t,n){this.variableNames=["AReal","AImag","BReal","BImag"],this.outputShape=I.assertAndGetBroadcastShape(t,n),this.userCode=`
float binaryOpComplex(
float areal, float aimag, float breal, float bimag) {
${e}
}
void main() {
float areal = getARealAtOutCoords();
float aimag = getAImagAtOutCoords();
float breal = getBRealAtOutCoords();
float bimag = getBImagAtOutCoords();
setOutput(binaryOpComplex(areal, aimag, breal, bimag));
}
`}};var CR="return a * b;";function md(r){let{inputs:e,backend:t}=r,{a:n,b:o}=e,s=I.upcastType(n.dtype,o.dtype);if(n.dtype==="complex64"){let i=t.texData.get(n.dataId),l=t.texData.get(o.dataId),u=new Jx(Jv.REAL,n.shape,o.shape),c=new Jx(Jv.IMAG,n.shape,o.shape),p=[{dataId:i.complexTensorInfos.real.dataId,dtype:i.complexTensorInfos.real.dtype,shape:n.shape},{dataId:i.complexTensorInfos.imag.dataId,dtype:i.complexTensorInfos.imag.dtype,shape:n.shape},{dataId:l.complexTensorInfos.real.dataId,dtype:l.complexTensorInfos.real.dtype,shape:o.shape},{dataId:l.complexTensorInfos.imag.dataId,dtype:l.complexTensorInfos.imag.dtype,shape:o.shape}],m=t.runWebGLProgram(u,p,"float32"),f=t.runWebGLProgram(c,p,"float32"),d=Cn({inputs:{real:m,imag:f},backend:t});return t.disposeIntermediateTensorInfo(m),t.disposeIntermediateTensorInfo(f),d}if(t.shouldExecuteOnCPU([n,o])){let i=t.texData.get(n.dataId),l=t.texData.get(o.dataId),[u,c]=B$(n.shape,o.shape,i.values,l.values,s),p=t.makeTensorInfo(c,s),m=t.texData.get(p.dataId);return m.values=u,p}let a;return W().getBool("WEBGL_PACK_BINARY_OPERATIONS")?a=new zs(CR,n.shape,o.shape):a=new ko(CR,n.shape,o.shape),t.runWebGLProgram(a,[n,o],s)}var IR={kernelName:ns,backendName:"webgl",kernelFunc:md};function SR(r,e,t){let n=[Wa(r.shape),...ja(r.shape)],o={dtype:r.dtype,shape:n,dataId:r.dataId},s=[Wa(e),...ja(e)],a=new ud(s,n),i=!0,l=t.runWebGLProgram(a,[o],r.dtype,null,i);return{dataId:l.dataId,shape:e,dtype:l.dtype}}function le(r){let{inputs:e,backend:t,attrs:n}=r,{x:o}=e,{shape:s}=n,a=t,i=y.sizeFromShape(o.shape),l=y.inferFromImplicitShape(s,i),u=y.sizeFromShape(l);y.assert(i===u,()=>`The new shape (${l}) has ${u} elements and the old shape (${o.shape}) has ${i} elements. The new shape and old shape must have the same number of elements.`);let c=a.texData.get(o.dataId);return c.isPacked&&!Fl(o.shape,l)&&!(c.texture!==null&&Fl(c.shape,l))?SR(o,l,a):(a.incRef(o.dataId),{dataId:o.dataId,shape:l,dtype:o.dtype})}var NR={kernelName:si,backendName:"webgl",kernelFunc:le};var Qx=class{constructor(e,t){this.variableNames=["x"];let{windowSize:n,batchSize:o,inSize:s,outSize:a}=e;this.outputShape=[o,a];let i=Math.floor(n/4)*4,l=n%4,u="sumValue += dot(values, ones);";if(t!=null){let p=1/t;u=`sumValue += dot(values * ${y.isInt(p)?p.toPrecision(2):p}, ones);`}let c="";s%n>0&&(c=`
if (inIdx < 0 || inIdx >= ${s}) {
return 0.0;
2021-06-04 15:20:59 +02:00
}
`),this.userCode=`
const vec4 ones = vec4(1.0, 1.0, 1.0, 1.0);
float getValue(int batch, int inIdx) {
${c}
return getX(batch, inIdx);
}
void main() {
ivec2 coords = getOutputCoords();
int batch = coords[0];
int outIdx = coords[1];
int inOffset = outIdx * ${n};
float sumValue = 0.0;
for (int i = 0; i < ${i}; i += 4) {
int inIdx = inOffset + i;
vec4 values = vec4(
getValue(batch, inIdx),
getValue(batch, inIdx + 1),
getValue(batch, inIdx + 2),
getValue(batch, inIdx + 3)
);
${u}
2021-06-04 15:20:59 +02:00
}
int inIdx = inOffset + ${i};
if (${l===1}) {
vec4 values = vec4(getValue(batch, inIdx), 0.0, 0.0, 0.0);
${u}
} else if (${l===2}) {
vec4 values = vec4(
getValue(batch, inIdx),
getValue(batch, inIdx + 1), 0.0, 0.0);
${u}
} else if (${l===3}) {
vec4 values = vec4(
getValue(batch, inIdx),
getValue(batch, inIdx + 1),
getValue(batch, inIdx + 2), 0.0);
${u}
2021-06-03 15:53:11 +02:00
}
setOutput(sumValue);
}
`}};var Qv=class{constructor(e,t){this.variableNames=["x"];let{windowSize:n,batchSize:o,inSize:s,outSize:a}=e;this.outputShape=[o,a];let i="0.0",l="";t==="prod"?i="1.0":t==="min"?(i="1.0 / 1e-20",l="min"):t==="max"&&(i="-1.0 / 1e-20",l="max");let u=`${t}(${t}(${t}(minMaxValue[0], minMaxValue[1]), minMaxValue[2]), minMaxValue[3])`;t==="sum"?u="sumValue":t==="prod"?u="prodValue":t==="all"?u="allValue":t==="any"&&(u="anyValue");let c=Math.floor(n/4)*4,p=n%4,m=`
if (${t==="sum"}) {
sumValue += dot(values, ones);
} else if (${t==="prod"}) {
vec2 tmp = vec2(values[0], values[1]) * vec2(values[2], values[3]);
prodValue *= tmp[0] * tmp[1];
} else {
minMaxValue = ${l}(values, minMaxValue);
if (${t==="min"} || ${t==="max"}) {
minMaxValue = ${l}(values, minMaxValue);
bvec4 isNaN = isnan(values);
if (isNaN.r || isNaN.g || isNaN.b || isNaN.a) {
minMaxValue = vec4(NAN);
2021-06-04 19:51:01 +02:00
}
2021-06-04 15:20:59 +02:00
}
}
`,f="vec4";t==="all"?(i="1.0",m=`
bool reducedAllValue = all(values);
float floatedReducedAllValue = float(reducedAllValue);
allValue = float(allValue >= 1.0 && floatedReducedAllValue >= 1.0);
`,f="bvec4"):t==="any"&&(i="0.0",m=`
bool reducedAnyValue = any(values);
float floatedReducedAnyValue = float(reducedAnyValue);
anyValue = float(anyValue >= 1.0 || floatedReducedAnyValue >= 1.0);
`,f="bvec4");let d="";s%n>0&&(d=`
if (inIdx < 0 || inIdx >= ${s}) {
return initializationValue;
2021-06-04 15:20:59 +02:00
}
`),this.userCode=`
const float initializationValue = ${i};
const vec4 ones = vec4(1.0, 1.0, 1.0, 1.0);
float getValue(int batch, int inIdx) {
${d}
return getX(batch, inIdx);
}
void main() {
ivec2 coords = getOutputCoords();
int batch = coords[0];
int outIdx = coords[1];
int inOffset = outIdx * ${n};
vec4 minMaxValue = vec4(${i});
float prodValue = 1.0;
float sumValue = 0.0;
float allValue = 1.0;
float anyValue = 0.0;
for (int i = 0; i < ${c}; i += 4) {
int inIdx = inOffset + i;
${f} values = ${f}(
getValue(batch, inIdx),
getValue(batch, inIdx + 1),
getValue(batch, inIdx + 2),
getValue(batch, inIdx + 3)
);
${m}
2021-06-04 19:51:01 +02:00
}
int inIdx = inOffset + ${c};
if (${p===1}) {
${f} values = ${f}(
getValue(batch, inIdx),
initializationValue,
initializationValue,
initializationValue
);
${m}
} else if (${p===2}) {
${f} values = ${f}(
getValue(batch, inIdx),
getValue(batch, inIdx + 1),
initializationValue,
initializationValue
);
${m}
} else if (${p===3}) {
${f} values = ${f}(
getValue(batch, inIdx),
getValue(batch, inIdx + 1),
getValue(batch, inIdx + 2),
initializationValue
);
${m}
2021-06-03 15:53:11 +02:00
}
setOutput(${u});
}
`}};function TY(r){let e=[];for(;e.length===0||e[e.length-1].outSize!==1;){let t=e.length?e[e.length-1].outSize:r[1],n=I.computeOptimalWindowSize(t);e.push({inSize:t,windowSize:n,outSize:Math.ceil(t/n)})}return e}function Ln(r,e,t,n){let o=TY(r.shape),s=r;for(let a=0;a<o.length;a++){let{inSize:i,windowSize:l,outSize:u}=o[a],c,p;t==="mean"?c=a===0?new Qx({windowSize:l,inSize:i,batchSize:r.shape[0],outSize:u},i):new Qx({windowSize:l,inSize:i,batchSize:r.shape[0],outSize:u}):c=new Qv({windowSize:l,inSize:i,batchSize:r.shape[0],outSize:u},t),p=s,s=n.runWebGLProgram(c,[s],e),p.dataId!==r.dataId&&n.disposeIntermediateTensorInfo(p)}return s}var e0=class{constructor(e,t){this.variableNames=["A"];let n=new Array(e.length);for(let a=0;a<n.length;a++)n[a]=e[t[a]];this.outputShape=n,this.rank=n.length;let o=Ge(this.rank),s=EY(t);this.userCode=`
void main() {
${o} resRC = getOutputCoords();
setOutput(getA(${s}));
}
`}};function EY(r){let e=r.length;if(e>6)throw Error(`Transpose for rank ${e} is not yet supported`);let t=["resRC.x","resRC.y","resRC.z","resRC.w","resRC.u","resRC.v"],n=new Array(e);for(let o=0;o<r.length;o++)n[r[o]]=t[o];return n.join()}var t0=class{constructor(e,t){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0;let n=new Array(e.length);for(let c=0;c<n.length;c++)n[c]=e[t[c]];if(this.outputShape=n,this.rank=n.length,this.rank>6)throw Error(`Packed transpose for rank ${this.rank} is not yet supported.`);let o=Ge(this.rank),s=Gv("rc",this.rank),a=new Array(this.rank);for(let c=0;c<t.length;c++)a[t[c]]=s[c];let i=`vec2(${a.slice(-2).join()})`,l=`++${s[this.rank-1]} < ${n[this.rank-1]}`,u=`getChannel(getA(${a.join()}), ${i})`;this.userCode=`
void main() {
${o} rc = getOutputCoords();
vec4 result = vec4(0.);
result[0] = ${u};
if(${l}) {
result[1] = ${u};
}
--${s[this.rank-1]};
if(++${s[this.rank-2]} < ${n[this.rank-2]}) {
result[2] = ${u};
if(${l}) {
result[3] = ${u};
2021-06-04 19:51:01 +02:00
}
}
setOutput(result);
}
`}};function Ml(r,e,t){let n=W().getBool("WEBGL_PACK_ARRAY_OPERATIONS")?new t0(r.shape,e):new e0(r.shape,e);return t.runWebGLProgram(n,[r],r.dtype)}function TR(r,e,t,n){let o=e,s=r.shape.length,a=y.parseAxisParam(o,r.shape),i=a,l=I.getAxesPermutation(i,s),u=l!=null,c=r;u&&(c=Ml(r,l,n),i=I.getInnerMostAxes(i.length,s)),I.assertAxesAreInnerMostDims("sum",i,s);let[p,m]=I.computeOutAndReduceShapes(c.shape,i),f=p;t&&(f=I.expandShapeToKeepDim(p,a));let d=y.sizeFromShape(m),g=y.sizeFromShape(r.shape)/d,x=le({inputs:{x:c},attrs:{shape:[g,d]},backend:n}),b=du(r.dtype),w=Ln(x,b,"sum",n),_=le({inputs:{x:w},attrs:{shape:f},backend:n});return n.disposeIntermediateTensorInfo(x),n.disposeIntermediateTensorInfo(w),u&&n.disposeIntermediateTensorInfo(c),_}function nc(r){let{inputs:e,backend:t,attrs:n}=r,{x:o}=e,{axis:s,keepDims:a}=n;return TR(o,s,a,t)}var ER={kernelName:xs,backendName:"webgl",kernelFunc:nc};function Ft(r){let{inputs:e,backend:t,attrs:n}=r,{x:o}=e,{perm:s}=n,a=t,i=o.shape.length,l=new Array(i);for(let c=0;c<l.length;c++)l[c]=o.shape[s[c]];let u;if(a.shouldExecuteOnCPU([o])){let p=a.texData.get(o.dataId).values,m=tc(p,o.shape,o.dtype,s,l);u=a.makeTensorInfo(l,o.dtype);let f=a.texData.get(u.dataId);f.values=m}else u=Ml(o,s,a);return u}var AR={kernelName:vs,backendName:"webgl",kernelFunc:Ft};var r0=1e3;function oc({a:r,b:e,transposeA:t,transposeB:n,backend:o,bias:s=null,preluActivationWeights:a=null,leakyreluAlpha:i=0,activation:l=null}){let u=r.shape.length,c=e.shape.length,p=t?r.shape[u-2]:r.shape[u-1],m=n?e.shape[c-1]:e.shape[c-2],f=t?r.shape[u-1]:r.shape[u-2],d=n?e.shape[c-2]:e.shape[c-1],h=r.shape.slice(0,-2),g=e.shape.slice(0,-2),x=y.sizeFromShape(h),b=y.sizeFromShape(g),w=x===b||x===1||b===1;y.assert(u>=2&&c>=2&&w,()=>`Error in matMul: the input batch dimensions must either be the same or at least one input batch dimension must be 1. Got input batch dimensions of (${h}) and (${g}).`);let C=(x>b?r.shape.slice(0,-2):e.shape.slice(0,-2)).concat([f,d]);y.assert(p===m,()=>`Error in matMul: inner shapes (${p}) and (${m}) of Tensors with shapes ${r.shape} and ${e.shape} and transposeA=${t} and transposeB=${n} must match.`);let A=t?[x,p,f]:[x,f,p],D=n?[b,d,m]:[b,m,d],$=le({inputs:{x:r},backend:o,attrs:{shape:A}}),R=le({inputs:{x:e},backend:o,attrs:{shape:D}}),M=[$,R],G=Math.max(x,b),j=t?$.shape[1]:$.shape[2],U=s!=null,q=a!=null,H=l==="leakyrelu",X=l!=null?Pl(l,!0):null,ne=U||q||H||X!=null,Y;if((f===1||d===1)&&j>r0&&ne===!1){let ee=$,ie=R;t&&(ee=Ft({inputs:{x:$},backend:o,attrs:{perm:[0,2,1]}}),M.push(ee)),n&&(ie=Ft({inputs:{x:R},backend:o,attrs:{perm:[0,2,1]}}),M.push(ie));let me=d!==1,ae=d===1,fe=ee;me&&(fe=le({inputs:{x:ee},backend:o,attrs:{shape:[G,j,1]}}),M.push(fe));let he=d===1?2:1,xe=ie;ae&&(xe=le({inputs:{x:ie},backend:o,attrs:{shape:[G,1,j]}}),M.push(xe));let _e=md({inputs:{a:fe,b:xe},backend:o});Y=nc({inputs:{x:_e},backend:o,attrs:{axis:he,keepDims:!0}}),M.push(_e)}else{let ee=mr(r.dtype,e.dtype),ie=new pd(A,D,[G,f,d],t,n,U,X,q,H),me=[$,R];if(s!=null&&me.push(s),q&&me.push(a),H){let ae=o.makeTensorInfo([],"float32",y.createScalarValue(i,"float32"));me.push(ae),M.push(ae)}Y=o.runWebGLProgram(ie,me,ee)}let re=le({inputs:{x:Y},backend:o,attrs:{shape:C}});M.push(Y);for(let ee of M)o.disposeIntermediateTensorInfo(ee);return re}function AY(r){let{inputs:e,backend:t,attrs:n}=r,{a:o,b:s,bias:a,preluActivationWeights:i}=e,{transposeA:l,transposeB:u,activation:c,leakyreluAlpha:p}=n;return oc({a:o,b:s,transposeA:l,transposeB:u,backend:t,bias:a,preluActivationWeights:i,leakyreluAlpha:p,activation:c})}var DR={kernelName:pi,backendName:"webgl",kernelFunc:AY};var $R="return abs(x);";function DY(r){let{inputs:e,backend:t}=r,{x:n}=e;if(t.shouldExecuteOnCPU([n])&&n.dtype!=="complex64"){let s=t.texData.get(n.dataId),a=Hx(s.values);return t.makeTensorInfo(n.shape,n.dtype,a)}let o;return W().getBool("WEBGL_PACK_UNARY_OPERATIONS")?o=new Ls(n.shape,$R):o=new vn(n.shape,$R),t.runWebGLProgram(o,[n],n.dtype)}var RR={kernelName:Js,backendName:"webgl",kernelFunc:DY};var $Y=kr+`
if (abs(x) > 1.) {
return NAN;
}
return acos(x);
`,RY=ke({opSnippet:$Y}),FR={kernelName:Ri,backendName:"webgl",kernelFunc:RY};var FY=kr+`
if (x < 1.0) return NAN;
return log(x + sqrt(x * x - 1.0));`,OY=ke({opSnippet:FY}),OR={kernelName:Fi,backendName:"webgl",kernelFunc:OY};var PR="return a + b;",PY=it({opSnippet:PR,packedOpSnippet:PR,supportsComplex:!0,cpuKernelImpl:_$}),MR={kernelName:jn,backendName:"webgl",kernelFunc:PY};var n0=class{constructor(e,t){this.outputShape=[],this.outputShape=e,this.variableNames=t.map((s,a)=>`T${a}`);let n=[];this.variableNames.forEach(s=>{n.push(`float v${s} = get${s}AtOutCoords();`)});let o=this.variableNames.map(s=>`v${s}`).join(" + ");this.userCode=`
void main() {
${n.join(`
`)}
float result = ${o};
setOutput(result);
}
`}};var o0=class{constructor(e,t){this.outputShape=[],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=e,this.variableNames=t.map((s,a)=>`T${a}`);let n=[];this.variableNames.forEach(s=>{n.push(`vec4 v${s} = get${s}AtOutCoords();`)});let o=this.variableNames.map(s=>`v${s}`).join(" + ");this.userCode=`
void main() {
${n.join(`
`)}
vec4 result = ${o};
setOutput(result);
}
`}};function ey(r){let{inputs:e,backend:t}=r,n=e;if(n.length===1)return Yt({inputs:{x:n[0]},backend:t});if(n.length>W().get("WEBGL_MAX_TEXTURES_IN_SHADER")){let l=Math.floor(n.length/2),u=ey({inputs:n.slice(0,l),backend:t}),c=ey({inputs:n.slice(l),backend:t});return ey({inputs:[u,c],backend:t})}let o=n.map(l=>l.dtype).reduce((l,u)=>mr(l,u)),s=n.map(l=>l.shape),i=W().getBool("WEBGL_PACK")?new o0(n[0].shape,s):new n0(n[0].shape,s);return t.runWebGLProgram(i,n,o)}var LR={kernelName:$o,backendName:"webgl",kernelFunc:ey};function MY(r){let{inputs:e,backend:t,attrs:n}=r,{x:o}=e,{axis:s,keepDims:a}=n,i=o.shape.length,l=y.parseAxisParam(s,o.shape),u=l,c=I.getAxesPermutation(u,i),p=o;c!=null&&(p=Ft({inputs:{x:o},backend:t,attrs:{perm:c}}),u=I.getInnerMostAxes(u.length,i)),I.assertAxesAreInnerMostDims("all",u,i);let[m,f]=I.computeOutAndReduceShapes(p.shape,u),d=y.sizeFromShape(f),h=le({inputs:{x:p},backend:t,attrs:{shape:[-1,d]}}),g=Ln(h,h.dtype,"all",t),x;if(a){let b=I.expandShapeToKeepDim(m,l);x=le({inputs:{x:g},backend:t,attrs:{shape:b}})}else x=le({inputs:{x:g},backend:t,attrs:{shape:m}});return t.disposeIntermediateTensorInfo(h),t.disposeIntermediateTensorInfo(g),c!=null&&t.disposeIntermediateTensorInfo(p),x}var zR={kernelName:Oi,backendName:"webgl",kernelFunc:MY};function LY(r){let{inputs:e,backend:t,attrs:n}=r,{x:o}=e,{axis:s,keepDims:a}=n,i=o.shape.length,l=y.parseAxisParam(s,o.shape),u=l,c=I.getAxesPermutation(u,i),p=o;c!=null&&(p=Ft({inputs:{x:o},backend:t,attrs:{perm:c}}),u=I.getInnerMostAxes(u.length,i)),I.assertAxesAreInnerMostDims("any",u,i);let[m,f]=I.computeOutAndReduceShapes(p.shape,u),d=y.sizeFromShape(f),h=le({inputs:{x:p},backend:t,attrs:{shape:[-1,d]}}),g=Ln(h,h.dtype,"any",t),x;if(a){let b=I.expandShapeToKeepDim(m,l);x=le({inputs:{x:g},backend:t,attrs:{shape:b}})}else x=le({inputs:{x:g},backend:t,attrs:{shape:m}});return t.disposeIntermediateTensorInfo(h),t.disposeIntermediateTensorInfo(g),c!=null&&t.disposeIntermediateTensorInfo(p),x}var BR={kernelName:Pi,backendName:"webgl",kernelFunc:LY};var s0=class{constructor(e,t,n){this.variableNames=["A"];let{windowSize:o,batchSize:s,outSize:a}=e;n||this.variableNames.push("bestIndicesA"),this.outputShape=[s,a];let i=t==="max"?">":"<",l=n?"inOffset + i;":"round(getBestIndicesA(batch, inOffset + i));";this.userCode=`
void main() {
ivec2 coords = getOutputCoords();
int batch = coords[0];
int outIdx = coords[1];
int inOffset = outIdx * ${o};
int bestIndex = inOffset;
float bestValue = getA(batch, bestIndex);
for (int i = 0; i < ${o}; i++) {
int inIdx = ${l};
float candidate = getA(batch, inIdx);
if (candidate ${i} bestValue) {
bestValue = candidate;
bestIndex = inIdx;
2021-06-04 15:20:59 +02:00
}
}
setOutput(float(bestIndex));
}
`}};var i0=class{constructor(e,t,n,o){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0,y.assert(e.length>2,()=>`Packed arg${n.charAt(0).toUpperCase()+n.slice(1)} supports only inputs with rank above 2.`);let s=e[e.length-1],a=Math.ceil(s/t);this.outputShape=e.slice(0,-1),a>1&&this.outputShape.push(a),o||this.variableNames.push("bestIndicesA");let i=this.outputShape,l=i.length,u=Ge(l),c=Xt("coords",l),p,m;if(a===1){m=l+1;let $=Ge(m);p=`
${$} sourceLocR = ${$}(${c.join()}, 0);
++${c[l-1]};
${$} sourceLocG = ${$}(${c.join()}, 0);
++${c[l-2]};
${$} sourceLocA = ${$}(${c.join()}, 0);
--${c[l-1]};
${$} sourceLocB = ${$}(${c.join()}, 0);
--${c[l-2]};`}else m=l,p=`
${u} sourceLocR = coords;
++${c[l-1]};
${u} sourceLocG = coords;
++${c[l-2]};
${u} sourceLocA = coords;
--${c[l-1]};
${u} sourceLocB = coords;
--${c[l-2]};`;let f=["x","y","z","w","u","v"].slice(0,m),d="."+f[m-1],h=f.map($=>"int "+$),g=Xt("sourceLocR",m-1).concat("inIdx.r"),x=Xt("sourceLocG",m-1).concat("inIdx.g"),b=Xt("sourceLocB",m-1).concat("inIdx.b"),w=Xt("sourceLocA",m-1).concat("inIdx.a"),_=n==="max"?"greaterThan":"lessThan",C=o?"":`
inIdx = round(vec4(getBestIndicesAChannel(${g.join()}),
getBestIndicesAChannel(${x.join()}),
getBestIndicesAChannel(${b.join()}),
getBestIndicesAChannel(${w.join()})));`,A=`vec4(
getAChannel(${g.join()}),
hasNextCol ? getAChannel(${x.join()}) : 0.,
hasNextRow ? getAChannel(${b.join()}) : 0.,
hasNextRow && hasNextCol ? getAChannel(${w.join()}) : 0.)`,D=o?"":`
float getBestIndicesAChannel(${h.join()}) {
return getChannel(getBestIndicesA(${f.join()}),
vec2(${f.slice(-2).join()}));
}`;this.userCode=`
float getAChannel(${h.join()}) {
return getChannel(getA(${f.join()}),
vec2(${f.slice(-2).join()}));
}
${D}
void main() {
${u} coords = getOutputCoords();
bool hasNextCol = ${c[l-1]} < ${i[l-1]-1};
bool hasNextRow = ${c[l-2]} < ${i[l-2]-1};
${p}
ivec4 srcIdx = ivec4(sourceLocR${d}, sourceLocG${d},
sourceLocB${d}, sourceLocA${d}) * ${t};
ivec4 inIdx = srcIdx;
vec4 bestIndex = vec4(inIdx);
vec4 bestValue = ${A};
for (int i = 0; i < ${t}; i++) {
inIdx = srcIdx;
${C}
vec4 candidate = ${A};
bvec4 nan = isnan(candidate);
bvec4 replace = bvec4(
vec4(${_}(candidate, bestValue)) * (vec4(1.0) - vec4(nan)));
bestValue = vec4(replace.x ? candidate.x : bestValue.x,
replace.y ? candidate.y : bestValue.y,
replace.z ? candidate.z : bestValue.z,
replace.w ? candidate.w : bestValue.w);
bestIndex = mix(bestIndex, vec4(inIdx), vec4(replace));
srcIdx++;
2021-06-04 19:51:01 +02:00
}
setOutput(bestIndex);
}
`}};function VR(r,e,t,n=null){let o=e.shape[0],s=e.shape[1];n!=null&&(o=n.shape[0],s=n.shape[1]);let a=I.computeOptimalWindowSize(s),i={windowSize:a,inSize:s,batchSize:o,outSize:Math.ceil(s/a)},l=new s0(i,t,n==null),u=[e];n!=null&&u.push(n);let c=r.runWebGLProgram(l,u,"int32");if(c.shape[1]===1)return c;let p=VR(r,e,t,c);return r.disposeIntermediateTensorInfo(c),p}function GR(r,e,t,n=null){let o=n!=null?n.shape:e.shape,s=o[o.length-1],a=I.computeOptimalWindowSize(s),i=new i0(o,a,t,n==null),l=n==null?[e]:[e,n],u=r.runWebGLProgram(i,l,"int32");if(u.shape.length===e.shape.length){let c=GR(r,e,t,u);return r.disposeIntermediateTensorInfo(u),c}return u}function ty(r,e,t,n){let o=[t];if(I.assertAxesAreInnerMostDims("arg"+n.charAt(0).toUpperCase()+n.slice(1),o,e.shape.length),!W().getBool("WEBGL_PACK_REDUCE")||e.shape.length<=2){let s=[],[a,i]=I.computeOutAndReduceShapes(e.shape,o),l=y.sizeFromShape(i),u=le({inputs:{x:e},backend:r,attrs:{shape:[-1,l]}});s.push(u);let c=VR(r,u,n);s.push(c);let p=le({inputs:{x:c},backend:r,attrs:{shape:a}});return s.forEach(m=>r.disposeIntermediateTensorInfo(m)),p}return GR(r,e,n)}function zY(r){let{inputs:e,backend:t,attrs:n}=r,{x:o}=e,{axis:s}=n,a=y.parseAxisParam(s,o.shape),i=I.getAxesPermutation(a,o.shape.length),l=o,u=[];i!=null&&(l=Ft({inputs:{x:o},backend:t,attrs:{perm:i}}),u.push(l),a=I.getInnerMostAxes(a.length,l.shape.length)),I.assertAxesAreInnerMostDims("argMax",[a[0]],l.shape.length);let c=ty(t,l,a[0],"max");return u.forEach(p=>t.disposeIntermediateTensorInfo(p)),c}var WR={kernelName:Ro,backendName:"webgl",kernelFunc:zY};function BY(r){let{inputs:e,backend:t,attrs:n}=r,{x:o}=e,{axis:s}=n,a=y.parseAxisParam(s,o.shape),i=I.getAxesPermutation(a,o.shape.length),l=o,u=[];i!=null&&(l=Ft({inputs:{x:o},backend:t,attrs:{perm:i}}),u.push(l),a=I.getInnerMostAxes(a.length,l.shape.length)),I.assertAxesAreInnerMostDims("argMin",[a[0]],l.shape.length);let c=ty(t,l,a[0],"min");return u.forEach(p=>t.disposeIntermediateTensorInfo(p)),c}var jR={kernelName:al,backendName:"webgl",kernelFunc:BY};var VY=kr+`
if (abs(x) > 1.) {
return NAN;
}
return asin(x);
`,GY=ke({opSnippet:VY}),UR={kernelName:Mi,backendName:"webgl",kernelFunc:GY};var WY=kr+"return log(x + sqrt(x * x + 1.0));",jY=ke({opSnippet:WY}),qR={kernelName:Li,backendName:"webgl",kernelFunc:jY};var UY=kr+`
return atan(x);
`,qY=ke({opSnippet:UY}),HR={kernelName:zi,backendName:"webgl",kernelFunc:qY};var HY=kR+`
return atan(a, b);
`,KY=`
vec4 result = atan(a, b);
vec4 isNaN = min(vec4(isnan(a)) + vec4(isnan(b)), vec4(1.0));
`+vR+`
return result;
`,XY=it({opSnippet:HY,packedOpSnippet:KY}),KR={kernelName:Vi,backendName:"webgl",kernelFunc:XY};var YY=kr+`
if ((x < -1.0) || (x > 1.0)) return NAN;
return (log(1.0 + x) - log(1.0 - x)) / 2.0;`,ZY=ke({opSnippet:YY}),XR={kernelName:Bi,backendName:"webgl",kernelFunc:ZY};var _i=class{constructor(e,t,n,o=!1,s=!1){if(this.variableNames=["x"],t==="avg"&&n)throw new Error("Cannot compute positions for average pool.");let a=e.filterWidth,i=e.strideHeight,l=e.strideWidth,u=e.dilationHeight,c=e.dilationWidth,p=e.effectiveFilterHeight,m=e.effectiveFilterWidth,f=e.padInfo.top,d=e.padInfo.left;this.outputShape=e.outShape;let h=t==="avg",g=`((batch * ${e.inHeight} + xR) * ${e.inWidth} + xC) * ${e.inChannels} + d`,x=`(xR * ${e.inWidth} + xC) * ${e.inChannels} + d`,b="0.0";if(h||(b="-1.0 / 1e-20"),n){let $=">=";this.userCode=`
const ivec2 strides = ivec2(${i}, ${l});
const ivec2 pads = ivec2(${f}, ${d});
void main() {
ivec4 coords = getOutputCoords();
int batch = coords[0];
int d = coords[3];
ivec2 xRCCorner = coords.yz * strides - pads;
int xRCorner = xRCCorner.x;
int xCCorner = xRCCorner.y;
// max/min x(?, ?, d) to get y(yR, yC, d).
// ? = to be determined
float minMaxValue = 0.0;
float minMaxValueFound = 0.0;
int minMaxPosition = 0;
float avgValue = 0.0;
for (int wR = 0; wR < ${p};
wR += ${u}) {
int xR = xRCorner + wR;
if (xR < 0 || xR >= ${e.inHeight}) {
2021-06-04 19:51:01 +02:00
continue;
2021-06-04 15:20:59 +02:00
}
for (int wC = 0; wC < ${m};
wC += ${c}) {
int xC = xCCorner + wC;
if (xC < 0 || xC >= ${e.inWidth}) {
continue;
}
float value = getX(batch, xR, xC, d);
// If a min / max value has already been found, use it. If not,
// use the current value.
float currMinMaxValue = mix(
value, minMaxValue, minMaxValueFound);
if (value ${$} currMinMaxValue) {
minMaxValue = value;
minMaxValueFound = 1.0;
minMaxPosition = ${o?s?g:x:`wR * ${m} + wC`};
}
2021-06-04 15:20:59 +02:00
}
}
setOutput(float(minMaxPosition));
2021-06-04 15:20:59 +02:00
}
`;return}let w="max",_=`${t}(${t}(${t}(minMaxValue[0], minMaxValue[1]), minMaxValue[2]), minMaxValue[3])`;t==="avg"&&(_="avgValue / count");let C=Math.floor(a/4)*4,A=a%4,D=`
if (${h}) {
avgValue += dot(values, ones);
} else {
minMaxValue = ${w}(values, minMaxValue);
}
`;this.userCode=`
const ivec2 strides = ivec2(${i}, ${l});
const ivec2 pads = ivec2(${f}, ${d});
const float initializationValue = ${b};
const vec4 ones = vec4(1.0, 1.0, 1.0, 1.0);
float count = 0.0;
float getValue(int batch, int xR, int xC, int d) {
if (xC < 0 || xC >= ${e.inWidth}) {
return initializationValue;
2021-06-04 19:51:01 +02:00
}
count += 1.0;
return getX(batch, xR, xC, d);
}
void main() {
ivec4 coords = getOutputCoords();
int batch = coords[0];
int d = coords[3];
ivec2 xRCCorner = coords.yz * strides - pads;
int xRCorner = xRCCorner.x;
int xCCorner = xRCCorner.y;
// max/min x(?, ?, d) to get y(yR, yC, d).
// ? = to be determined
vec4 minMaxValue = vec4(${b});
float avgValue = 0.0;
count = 0.0;
for (int wR = 0; wR < ${p};
wR += ${u}) {
int xR = xRCorner + wR;
if (xR < 0 || xR >= ${e.inHeight}) {
continue;
2021-06-04 15:20:59 +02:00
}
for (int wC = 0; wC < ${C}; wC += 4) {
int xC = xCCorner + wC * ${c};
vec4 values = vec4(
getValue(batch, xR, xC, d),
getValue(batch, xR, xC + ${c}, d),
getValue(batch, xR, xC + 2 * ${c}, d),
getValue(batch, xR, xC + 3 * ${c}, d)
);
${D}
2021-06-04 19:51:01 +02:00
}
int xC = xCCorner + ${C};
if (${A===1}) {
vec4 values = vec4(
getValue(batch, xR, xC, d),
initializationValue,
initializationValue,
initializationValue
);
${D}
} else if (${A===2}) {
vec4 values = vec4(
getValue(batch, xR, xC, d),
getValue(batch, xR, xC + ${c}, d),
initializationValue,
initializationValue
);
${D}
} else if (${A===3}) {
vec4 values = vec4(
getValue(batch, xR, xC, d),
getValue(batch, xR, xC + ${c}, d),
getValue(batch, xR, xC + 2 * ${c}, d),
initializationValue
);
${D}
2021-06-04 19:51:01 +02:00
}
}
setOutput(${_});
}
`}},sc=class{constructor(e,t,n,o=!1,s=!1){if(this.variableNames=["x"],t==="avg"&&n)throw new Error("Cannot compute positions for average pool.");let a=e.filterWidth,i=e.strideDepth,l=e.strideHeight,u=e.strideWidth,c=e.dilationDepth,p=e.dilationHeight,m=e.dilationWidth,f=e.effectiveFilterDepth,d=e.effectiveFilterHeight,h=e.effectiveFilterWidth,g=e.padInfo.front,x=e.padInfo.top,b=e.padInfo.left;this.outputShape=e.outShape;let w=t==="avg",_="0.0";if(w||(_="-1.0 / 1e-20"),n){let M=">=";this.userCode=`
const ivec3 strides =
ivec3(${i}, ${l}, ${u});
const ivec3 pads = ivec3(${g}, ${x}, ${b});
void main() {
ivec5 coords = getOutputCoords();
int batch = coords.x;
int ch = coords.u;
ivec3 xCorner = ivec3(coords.y, coords.z, coords.w) * strides - pads;
int xDCorner = xCorner.x;
int xRCorner = xCorner.y;
int xCCorner = xCorner.z;
// max/min x(?, ?, ?, ch) to get y(yD, yR, yC, ch).
// ? = to be determined
float minMaxValue = 0.0;
float minMaxValueFound = 0.0;
int minMaxPosition = 0;
for (int wD = 0; wD < ${f};
wD += ${c}) {
int xD = xDCorner + wD;
if (xD < 0 || xD >= ${e.inDepth}) {
continue;
2021-06-04 15:20:59 +02:00
}
for (int wR = 0; wR < ${d};
wR += ${p}) {
int xR = xRCorner + wR;
if (xR < 0 || xR >= ${e.inHeight}) {
continue;
}
for (int wC = 0; wC < ${h};
wC += ${m}) {
int xC = xCCorner + wC;
if (xC < 0 || xC >= ${e.inWidth}) {
continue;
}
float value = getX(batch, xD, xR, xC, ch);
// If a min / max value has already been found, use it. If not,
// use the current value.
float currMinMaxValue = mix(
value, minMaxValue, minMaxValueFound);
if (value ${M} currMinMaxValue) {
minMaxValue = value;
minMaxValueFound = 1.0;
minMaxPosition = ${o?s?`(((batch * ${e.inDepth} + xD) * ${e.inHeight} + xR) * ${e.inWidth} + xC) * ${e.inChannels} + ch`:`((xD * ${e.inHeight} + xR) * ${e.inWidth} + xC) * ${e.inChannels} + ch`:`wD * ${d} * ${h} +
wR * ${h} + wC`};
}
}
2021-06-04 19:51:01 +02:00
}
2021-06-04 15:20:59 +02:00
}
setOutput(float(minMaxPosition));
2021-06-04 19:51:01 +02:00
}
`;return}let C="max",A=`${t}(${t}(${t}(minMaxValue[0], minMaxValue[1]), minMaxValue[2]), minMaxValue[3])`;t==="avg"&&(A="avgValue / count");let D=Math.floor(a/4)*4,$=a%4,R=`
if (${w}) {
avgValue += dot(values, ones);
} else {
minMaxValue = ${C}(values, minMaxValue);
}
`;this.userCode=`
const ivec3 strides =
ivec3(${i}, ${l}, ${u});
const ivec3 pads = ivec3(${g}, ${x}, ${b});
const float initializationValue = ${_};
const vec4 ones = vec4(1.0, 1.0, 1.0, 1.0);
float count = 0.0;
float getValue(int batch, int xD, int xR, int xC, int ch) {
if (xC < 0 || xC >= ${e.inWidth}) {
return initializationValue;
2021-06-04 19:51:01 +02:00
}
count += 1.0;
return getX(batch, xD, xR, xC, ch);
}
void main() {
ivec5 coords = getOutputCoords();
int batch = coords.x;
int ch = coords.u;
ivec3 xCorner = ivec3(coords.y, coords.z, coords.w) * strides - pads;
int xDCorner = xCorner.x;
int xRCorner = xCorner.y;
int xCCorner = xCorner.z;
// max/min x(?, ?, ?, d) to get y(yD, yR, yC, ch).
// ? = to be determined
vec4 minMaxValue = vec4(${_});
float avgValue = 0.0;
count = 0.0;
for (int wD = 0; wD < ${f};
wD += ${c}) {
int xD = xDCorner + wD;
if (xD < 0 || xD >= ${e.inDepth}) {
continue;
2021-06-04 19:51:01 +02:00
}
for (int wR = 0; wR < ${d};
wR += ${p}) {
int xR = xRCorner + wR;
if (xR < 0 || xR >= ${e.inHeight}) {
continue;
2021-06-04 19:51:01 +02:00
}
for (int wC = 0; wC < ${D}; wC += 4) {
int xC = xCCorner + wC * ${m};
vec4 values = vec4(
getValue(batch, xD, xR, xC, ch),
getValue(batch, xD, xR, xC + ${m}, ch),
getValue(batch, xD, xR, xC + 2 * ${m}, ch),
getValue(batch, xD, xR, xC + 3 * ${m}, ch)
);
${R}
2021-06-04 19:51:01 +02:00
}
int xC = xCCorner + ${D};
if (${$===1}) {
vec4 values = vec4(
getValue(batch, xD, xR, xC, ch),
initializationValue,
initializationValue,
initializationValue
);
${R}
} else if (${$===2}) {
vec4 values = vec4(
getValue(batch, xD, xR, xC, ch),
getValue(batch, xD, xR, xC + ${m}, ch),
initializationValue,
initializationValue
);
${R}
} else if (${$===3}) {
vec4 values = vec4(
getValue(batch, xD, xR, xC, ch),
getValue(batch, xD, xR, xC + ${m}, ch),
getValue(batch, xD, xR, xC + 2 * ${m}, ch),
initializationValue
);
${R}
2021-06-04 19:51:01 +02:00
}
2021-06-04 15:20:59 +02:00
}
setOutput(${A});
2021-06-04 19:51:01 +02:00
}
}
`}};function JY(r){let{inputs:e,backend:t,attrs:n}=r,{x:o}=e;Ps(o,"avgPool");let{filterSize:s,strides:a,pad:i,dimRoundingMode:l}=n,u=1;y.assert(I.eitherStridesOrDilationsAreOne(a,u),()=>`Error in avgPool: Either strides or dilations must be 1. Got strides ${a} and dilations '${u}'`);let c=I.computePool2DInfo(o.shape,s,a,u,i,l);if(c.filterWidth===1&&c.filterHeight===1&&y.arraysEqual(c.inShape,c.outShape))return Yt({inputs:{x:o},backend:t});let p=new _i(c,"avg",!1);return t.runWebGLProgram(p,[o],"float32")}var YR={kernelName:Fo,backendName:"webgl",kernelFunc:JY};function QY(r){let{inputs:e,backend:t,attrs:n}=r,{x:o}=e,{filterSize:s,strides:a,pad:i,dimRoundingMode:l,dataFormat:u}=n,c=[1,1,1],p=I.computePool3DInfo(o.shape,s,a,c,i,l,u),m=new sc(p,"avg",!1);return t.runWebGLProgram(m,[o],"float32")}var ZR={kernelName:ll,backendName:"webgl",kernelFunc:QY};var a0=class{constructor(e){this.variableNames=["dy"],this.outputShape=e.inShape;let t=e.filterHeight,n=e.filterWidth,o=e.strideHeight,s=e.strideWidth,a=e.dilationHeight,i=e.dilationWidth,l=e.effectiveFilterHeight,u=e.effectiveFilterWidth,c=l-1-e.padInfo.top,p=u-1-e.padInfo.left,m=1/(t*n);this.userCode=`
const ivec2 pads = ivec2(${c}, ${p});
const float avgMultiplier = float(${m});
void main() {
ivec4 coords = getOutputCoords();
int b = coords[0];
int d = coords[3];
ivec2 dyRCCorner = coords.yz - pads;
int dyRCorner = dyRCCorner.x;
int dyCCorner = dyRCCorner.y;
// Convolve dy(?, ?, d) with pos mask(:, :, d) to get dx(xR, xC, d).
// ? = to be determined. : = across all values in that axis.
float dotProd = 0.0;
for (int wR = 0; wR < ${l};
wR += ${a}) {
float dyR = float(dyRCorner + wR) / ${o}.0;
if (dyR < 0.0 || dyR >= ${e.outHeight}.0 || fract(dyR) > 0.0) {
continue;
2021-06-04 19:51:01 +02:00
}
int idyR = int(dyR);
for (int wC = 0; wC < ${u};
wC+= ${i}) {
float dyC = float(dyCCorner + wC) / ${s}.0;
if (dyC < 0.0 || dyC >= ${e.outWidth}.0 ||
fract(dyC) > 0.0) {
2021-06-04 15:20:59 +02:00
continue;
}
int idyC = int(dyC);
float dyValue = getDy(b, idyR, idyC, d);
dotProd += dyValue * avgMultiplier;
2021-06-04 15:20:59 +02:00
}
2021-06-04 19:51:01 +02:00
}
setOutput(dotProd);
}
`}},l0=class{constructor(e){this.variableNames=["dy"],this.outputShape=e.inShape;let t=e.filterDepth,n=e.filterHeight,o=e.filterWidth,s=e.strideDepth,a=e.strideHeight,i=e.strideWidth,l=e.dilationDepth,u=e.dilationHeight,c=e.dilationWidth,p=e.effectiveFilterDepth,m=e.effectiveFilterHeight,f=e.effectiveFilterWidth,d=p-1-e.padInfo.front,h=m-1-e.padInfo.top,g=f-1-e.padInfo.left,x=1/(t*n*o);this.userCode=`
const ivec3 pads = ivec3(${d}, ${h}, ${g});
const float avgMultiplier = float(${x});
void main() {
ivec5 coords = getOutputCoords();
int batch = coords.x;
int ch = coords.u;
ivec3 dyCorner = ivec3(coords.y, coords.z, coords.w) - pads;
int dyDCorner = dyCorner.x;
int dyRCorner = dyCorner.y;
int dyCCorner = dyCorner.z;
// Convolve dy(?, ?, ?, d) with pos mask(:, :, :, ch) to get
// dx(xD, xR, xC, ch).
// ? = to be determined. : = across all values in that axis.
float dotProd = 0.0;
for (int wD = 0; wD < ${p};
wD += ${l}) {
float dyD = float(dyDCorner + wD) / ${s}.0;
if (dyD < 0.0 || dyD >= ${e.outDepth}.0 || fract(dyD) > 0.0) {
continue;
2021-06-04 19:51:01 +02:00
}
int idyD = int(dyD);
for (int wR = 0; wR < ${m};
wR += ${u}) {
float dyR = float(dyRCorner + wR) / ${a}.0;
if (dyR < 0.0 || dyR >= ${e.outHeight}.0 ||
fract(dyR) > 0.0) {
continue;
2021-06-04 19:51:01 +02:00
}
int idyR = int(dyR);
for (int wC = 0; wC < ${f};
wC += ${c}) {
float dyC = float(dyCCorner + wC) / ${i}.0;
if (dyC < 0.0 || dyC >= ${e.outWidth}.0 ||
fract(dyC) > 0.0) {
continue;
2021-06-04 19:51:01 +02:00
}
int idyC = int(dyC);
float dyValue = getDy(batch, idyD, idyR, idyC, ch);
dotProd += dyValue * avgMultiplier;
2021-06-04 15:20:59 +02:00
}
2021-06-04 19:51:01 +02:00
}
2021-06-03 15:53:11 +02:00
}
setOutput(dotProd);
}
`}};function e9(r){let{inputs:e,backend:t,attrs:n}=r,{dy:o,input:s}=e,a=s,{filterSize:i,strides:l,pad:u,dimRoundingMode:c}=n,p=[1,1,1],m=I.computePool3DInfo(a.shape,i,l,p,u,c),f=new l0(m);return t.runWebGLProgram(f,[o],a.dtype)}var JR={kernelName:Lc,backendName:"webgl",kernelFunc:e9};function t9(r){let{inputs:e,backend:t,attrs:n}=r,{dy:o,input:s}=e,a=s;Ps([o,s],"avgPoolGrad");let{filterSize:i,strides:l,pad:u}=n,c=I.computePool2DInfo(a.shape,i,l,1,u),p=new a0(c);return t.runWebGLProgram(p,[o],a.dtype)}var QR={kernelName:Mc,backendName:"webgl",kernelFunc:t9};function r9(r){let{inputs:e,backend:t,attrs:n}=r,{a:o,b:s}=e,{transposeA:a,transposeB:i}=n;return oc({a:o,b:s,transposeA:a,transposeB:i,backend:t})}var eF={kernelName:Oo,backendName:"webgl",kernelFunc:r9};var u0=class{constructor(e,t,n,o,s,a){this.outputShape=[],this.variableNames=["x","mean","variance"],I.assertAndGetBroadcastShape(e,t),I.assertAndGetBroadcastShape(e,n);let i="0.0";o!=null&&(I.assertAndGetBroadcastShape(e,o),this.variableNames.push("offset"),i="getOffsetAtOutCoords()");let l="1.0";s!=null&&(I.assertAndGetBroadcastShape(e,s),this.variableNames.push("scale"),l="getScaleAtOutCoords()"),this.outputShape=e,this.userCode=`
void main() {
float x = getXAtOutCoords();
float mean = getMeanAtOutCoords();
float variance = getVarianceAtOutCoords();
float offset = ${i};
float scale = ${l};
float inv = scale * inversesqrt(variance + float(${a}));
setOutput(dot(vec3(x, -mean, offset), vec3(inv, inv, 1)));
}
`}};var c0=class{constructor(e,t,n,o,s,a){this.packedInputs=!0,this.packedOutput=!0,this.variableNames=["x","mean","variance"],I.assertAndGetBroadcastShape(e,t),I.assertAndGetBroadcastShape(e,n);let i="vec4(0.0)";o!=null&&(I.assertAndGetBroadcastShape(e,o),this.variableNames.push("offset"),i="getOffsetAtOutCoords()");let l="vec4(1.0)";s!=null&&(I.assertAndGetBroadcastShape(e,s),this.variableNames.push("scale"),l="getScaleAtOutCoords()"),this.outputShape=e,this.userCode=`
void main() {
vec4 offset = ${i};
vec4 scale = ${l};
vec4 x = getXAtOutCoords();
vec4 mean = getMeanAtOutCoords();
vec4 variance = getVarianceAtOutCoords();
vec4 inv = scale * inversesqrt(variance + vec4(${a}));
setOutput((x - mean) * inv + offset);
}
`}};var n9=({inputs:r,backend:e,attrs:t})=>{let{x:n,mean:o,variance:s,offset:a,scale:i}=r;y.assert(o.shape.length===s.shape.length,()=>"Batch normalization gradient requires mean and variance to have equal ranks."),y.assert(a==null||o.shape.length===a.shape.length,()=>"Batch normalization gradient requires mean and offset to have equal ranks."),y.assert(i==null||o.shape.length===i.shape.length,()=>"Batch normalization gradient requires mean and scale to have equal ranks.");let{varianceEpsilon:l}=t;l==null&&(l=.001);let u=[n,o,s],c=null;a!=null&&(c=a.shape,u.push(a));let p=null;i!=null&&(p=i.shape,u.push(i));let m=W().getBool("WEBGL_PACK_NORMALIZATION")?new c0(n.shape,o.shape,s.shape,c,p,l):new u0(n.shape,o.shape,s.shape,c,p,l);return e.runWebGLProgram(m,u,u[0].dtype)},tF={kernelName:qo,backendName:"webgl",kernelFunc:n9};var p0=class{constructor(e){this.variableNames=["source"],this.outputShape=e,this.rank=e.length;let t=Ge(this.rank),n=`uniform int start[${this.rank}];`,o=o9(this.rank),s,a=e.map((i,l)=>`sourceLoc.${m0[l]} = start[${l}] + coords.${m0[l]};`);s=`
${t} sourceLoc;
${t} coords = getOutputCoords();
${a.join(`
`)}
`,this.userCode=`
${n}
void main() {
${s}
setOutput(getSource(${o}));
}
`}getCustomSetupFunc(e){if(e.length!==this.rank)throw Error(`The rank (${this.rank}) of the program must match the length of start (${e.length})`);return(t,n)=>{this.startLoc==null&&(this.startLoc=t.getUniformLocationNoThrow(n,"start"),this.startLoc==null)||t.gl.uniform1iv(this.startLoc,e)}}},m0=["x","y","z","w","u","v"];function o9(r){if(r===1)return"sourceLoc";if(r<=6)return m0.slice(0,r).map(e=>"sourceLoc."+e).join(",");throw Error(`Slicing for rank ${r} is not yet supported`)}var f0=class{constructor(e){this.variableNames=["source"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=e,this.rank=e.length;let t=Ge(this.rank),n=Xt("coords",this.rank),o=Xt("sourceLoc",this.rank),s=this.rank===1?"sourceLoc":`vec2(${o.slice(-2).join()})`,a=`getChannel(getSource(${o.join()}), ${s})`,i=`
result.x = ${a};
if (++${n[this.rank-1]} < ${e[this.rank-1]}) {
++${o[this.rank-1]};
result.y = ${a};
--${o[this.rank-1]};
}
`,l=this.rank===1?"":`
--${n[this.rank-1]};
if (++${n[this.rank-2]} < ${e[this.rank-2]}) {
++${o[this.rank-2]};
result.z = ${a};
if (++${n[this.rank-1]} < ${e[this.rank-1]}) {
++${o[this.rank-1]};
result.w = ${a};
}
}
`,u=this.rank<=4?`sourceLoc = coords +
${t}(${e.map((c,p)=>`start[${p}]`).join()});`:e.map((c,p)=>`${o[p]} = ${n[p]} + start[${p}];`).join(`
`);this.userCode=`
uniform int start[${this.rank}];
void main() {
${t} coords = getOutputCoords();
${t} sourceLoc;
${u}
vec4 result = vec4(0.);
${i}
${l}
setOutput(result);
}
`}getCustomSetupFunc(e){if(e.length!==this.rank)throw Error(`The rank (${this.rank}) of the program must match the length of start (${e.length})`);return(t,n)=>{this.startLoc==null&&(this.startLoc=t.getUniformLocationNoThrow(n,"start"),this.startLoc==null)||t.gl.uniform1iv(this.startLoc,e)}}};function s9(r,e,t,n){let o=n.texData.get(r.dataId),s=n.makeTensorInfo(t,r.dtype),a=n.texData.get(s.dataId);Object.assign(a,o),a.refCount=1,a.shape=t,a.dtype=r.dtype;let i=lr.computeFlatOffset(e,y.computeStrides(r.shape));o.slice&&(i+=o.slice.flatOffset),a.slice={flatOffset:i,origDataId:o.slice&&o.slice.origDataId||r.dataId};let l=n.dataRefCount.get(a.slice.origDataId)||1;return n.dataRefCount.set(a.slice.origDataId,l+1),s}function Ua(r){let{inputs:e,backend:t,attrs:n}=r,{x:o}=e,{begin:s,size:a}=n,[i,l]=lr.parseSliceParams(o,s,a);if(lr.assertParamsValid(o,i,l),y.sizeFromShape(l)===0)return t.makeTensorInfo(l,o.dtype,[]);if(t.shouldExecuteOnCPU([o])||o.dtype==="string"){let p=t.texData.get(o.dataId),m=q$(p.values,i,l,o.shape,o.dtype);return t.makeTensorInfo(l,o.dtype,m)}let{isPacked:u}=t.texData.get(o.dataId),c=lr.isSliceContinous(o.shape,i,l);if(u||!c){let p=W().getBool("WEBGL_PACK_ARRAY_OPERATIONS")?new f0(l):new p0(l),m=p.getCustomSetupFunc(i);return t.runWebGLProgram(p,[o],o.dtype,m)}return t.uploadToGPU(o.dataId),s9(o,i,l,t)}var rF={kernelName:ai,backendName:"webgl",kernelFunc:Ua};var i9=r=>{let{inputs:e,backend:t,attrs:n}=r,{x:o}=e,{blockShape:s,crops:a}=n;y.assert(o.shape.length<=4,()=>"batchToSpaceND for rank > 4 with a WebGL backend not implemented yet");let i=s.reduce((b,w)=>b*w),l=I.getReshaped(o.shape,s,i),u=I.getPermuted(l.length,s.length),c=I.getReshapedPermuted(o.shape,s,i),p=I.getSliceBeginCoords(a,s.length),m=I.getSliceSize(c,a,s.length),f=[],d=le({inputs:{x:o},backend:t,attrs:{shape:l}}),h=Ft({inputs:{x:d},backend:t,attrs:{perm:u}}),g=le({inputs:{x:h},backend:t,attrs:{shape:c}}),x=Ua({inputs:{x:g},backend:t,attrs:{begin:p,size:m}});return f.push(d),f.push(h),f.push(g),f.forEach(b=>t.disposeIntermediateTensorInfo(b)),x},nF={kernelName:ul,backendName:"webgl",kernelFunc:i9};function a9(r){let{inputs:e,backend:t,attrs:n}=r,{x:o,weights:s}=e,{size:a}=n,i=t.readSync(o.dataId),l=t.readSync(s.dataId),u=qx(i,l,s.dtype,s.shape,a);return t.makeTensorInfo([a],s.dtype,u)}var oF={kernelName:zc,backendName:"webgl",kernelFunc:a9};var l9="return float(a != b);",d0=it({opSnippet:l9,cpuKernelImpl:G$,dtype:"bool"}),sF={kernelName:ia,backendName:"webgl",kernelFunc:d0};function qa(r){let{inputs:e,backend:t}=r,{input:n}=e,o=t.texData.get(n.dataId);return Yt({inputs:{x:o.complexTensorInfos.real},backend:t})}var iF={kernelName:sp,backendName:"webgl",kernelFunc:qa};var u9="return float(int(x));";function aF(r,e){let t=new vn(r.shape,u9),n=e.runWebGLProgram(t,[r],"int32");return{dataId:n.dataId,shape:n.shape,dtype:n.dtype}}function h0(r){let{inputs:e,backend:t,attrs:n}=r,{x:o}=e,{dtype:s}=n;if(s==="complex64"){if(o.dtype==="complex64")return Yt({inputs:{x:o},backend:t});let a=gt(o.shape),i=h0({inputs:{x:o},backend:t,attrs:{dtype:"float32"}}),l=Cn({inputs:{real:i,imag:a},backend:t});return a.dispose(),t.disposeIntermediateTensorInfo(i),l}if(o.dtype==="complex64"){let a=qa({inputs:{input:o},backend:t}),i=h0({inputs:{x:a},backend:t,attrs:{dtype:s}});return t.disposeIntermediateTensorInfo(a),i}if(!y.hasEncodingLoss(o.dtype,s)){let a=Yt({inputs:{x:o},backend:t});return{dataId:a.dataId,shape:a.shape,dtype:s}}if(s==="int32")return aF(o,t);if(s==="bool"){let a=t.makeTensorInfo([],"bool",y.getTypedArrayFromDType("bool",1)),l=d0({inputs:{a:o,b:a},backend:t});return t.disposeIntermediateTensorInfo(a),l}throw new Error(`Error in Cast: failed to cast ${o.dtype} to ${s}`)}var lF={kernelName:to,backendName:"webgl",kernelFunc:h0};var uF="return ceil(x);",c9=ke({opSnippet:uF,packedOpSnippet:uF,cpuKernelImpl:v$}),cF={kernelName:Po,backendName:"webgl",kernelFunc:c9};var g0=class{constructor(e){this.variableNames=["A"],this.outputShape=e,this.userCode=`
uniform float minVal;
uniform float maxVal;
void main() {
float value = getAAtOutCoords();
if (isnan(value)) {
setOutput(value);
return;
2021-06-04 19:51:01 +02:00
}
setOutput(clamp(value, minVal, maxVal));
}
`}getCustomSetupFunc(e,t){return(n,o)=>{this.minLoc==null&&(this.minLoc=n.getUniformLocationNoThrow(o,"minVal"),this.maxLoc=n.getUniformLocationNoThrow(o,"maxVal")),n.gl.uniform1f(this.minLoc,e),n.gl.uniform1f(this.maxLoc,t)}}};var x0=class{constructor(e){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=e,this.userCode=`
uniform float minVal;
uniform float maxVal;
void main() {
vec4 value = getAAtOutCoords();
if (any(isnan(value))) {
setOutput(value);
return;
2021-06-04 19:51:01 +02:00
}
setOutput(clamp(value, vec4(minVal), vec4(maxVal)));
}
`}getCustomSetupFunc(e,t){return(n,o)=>{this.minLoc==null&&(this.minLoc=n.getUniformLocationNoThrow(o,"minVal"),this.maxLoc=n.getUniformLocationNoThrow(o,"maxVal")),n.gl.uniform1f(this.minLoc,e),n.gl.uniform1f(this.maxLoc,t)}}};function p9(r){let{inputs:e,backend:t,attrs:n}=r,{x:o}=e,{clipValueMin:s,clipValueMax:a}=n,i;W().getBool("WEBGL_PACK_CLIP")?i=new x0(o.shape):i=new g0(o.shape);let l=i.getCustomSetupFunc(s,a);return t.runWebGLProgram(i,[o],o.dtype,l)}var pF={kernelName:ro,backendName:"webgl",kernelFunc:p9};var y0=class{constructor(e){this.variableNames=["real","imag"],this.outputShape=e,this.userCode=`
void main() {
float re = abs(getRealAtOutCoords());
float im = abs(getImagAtOutCoords());
float mx = max(re, im);
// sadly the length function in glsl is not underflow-safe
// (at least not on Intel GPUs). So the safe solution is
// to ensure underflow-safety in all cases.
setOutput(
mx == 0.0 ? 0.0 : mx * length(vec2(1, min(re, im)/mx))
);
}
`}};function mF(r,e){return{dataId:e.dataId,dtype:e.dtype,shape:r.shape}}function m9(r){let{inputs:e,backend:t}=r,{x:n}=e,o=t.texData.get(n.dataId),s=new y0(n.shape),a=[mF(n,o.complexTensorInfos.real),mF(n,o.complexTensorInfos.imag)];return t.runWebGLProgram(s,a,a[0].dtype)}var fF={kernelName:cl,backendName:"webgl",kernelFunc:m9};var b0=class{constructor(e){this.outputShape=[],this.outputShape=I.computeOutShape(e,1),this.variableNames=e.map((a,i)=>`T${i}`);let t=new Array(e.length-1);t[0]=e[0][1];for(let a=1;a<t.length;a++)t[a]=t[a-1]+e[a][1];let n=[`if (yC < ${t[0]}) setOutput(getT0(yR, yC));`];for(let a=1;a<t.length;a++){let i=t[a-1];n.push(`else if (yC < ${t[a]}) setOutput(getT${a}(yR, yC-${i}));`)}let o=t.length,s=t[t.length-1];n.push(`else setOutput(getT${o}(yR, yC-${s}));`),this.userCode=`
void main() {
ivec2 coords = getOutputCoords();
int yR = coords.x;
int yC = coords.y;
${n.join(`
`)}
}
`}};var w0=class{constructor(e,t){this.packedInputs=!0,this.packedOutput=!0,this.outputShape=[],this.outputShape=I.computeOutShape(e,t);let n=this.outputShape,o=n.length,s=Ge(o),a=Xt("coords",o),i=["x","y","z","w","u","v"].slice(0,o);this.variableNames=e.map((h,g)=>`T${g}`);let l=new Array(e.length-1);l[0]=e[0][t];for(let h=1;h<l.length;h++)l[h]=l[h-1]+e[h][t];let u=i[t],c=i.slice(-2),p=i.join(),m=`if (${u} < ${l[0]}) {
return getChannel(
getT0(${p}), vec2(${c.join()}));
}`;for(let h=1;h<l.length;h++){let g=l[h-1];m+=`
if (${u} < ${l[h]} && ${u} >= ${l[h-1]}) {
return getChannel(
getT${h}(${ry(i,u,g)}),
vec2(${ry(c,u,g)}));
}`}let f=l.length,d=l[l.length-1];m+=`
return getChannel(
getT${f}(${ry(i,u,d)}),
vec2(${ry(c,u,d)}));`,this.userCode=`
float getValue(${i.map(h=>"int "+h)}) {
${m}
}
void main() {
${s} coords = getOutputCoords();
vec4 result = vec4(getValue(${a}), 0., 0., 0.);
${a[o-1]} = ${a[o-1]} + 1;
if (${a[o-1]} < ${n[o-1]}) {
result.g = getValue(${a});
2021-06-04 19:51:01 +02:00
}
${a[o-2]} = ${a[o-2]} + 1;
if (${a[o-2]} < ${n[o-2]}) {
result.a = getValue(${a});
2021-06-04 19:51:01 +02:00
}
${a[o-1]} = ${a[o-1]} - 1;
if (${a[o-2]} < ${n[o-2]} &&
${a[o-1]} < ${n[o-1]}) {
result.b = getValue(${a});
2021-06-04 19:51:01 +02:00
}
setOutput(result);
}
`}};function ry(r,e,t){let n=r.indexOf(e);return r.map((s,a)=>a===n?`${s} - ${t}`:s).join()}function ic(r){let{inputs:e,backend:t}=r,{input:n}=e,o=t.texData.get(n.dataId);return Yt({inputs:{x:o.complexTensorInfos.imag},backend:t})}var dF={kernelName:Jc,backendName:"webgl",kernelFunc:ic};function ac(r,e,t){let n=r[0].dtype;if(n==="complex64"){let c=r.map(h=>qa({inputs:{input:h},backend:t})),p=r.map(h=>ic({inputs:{input:h},backend:t})),m=ac(c,e,t),f=ac(p,e,t),d=Cn({inputs:{real:m,imag:f},backend:t});return c.forEach(h=>t.disposeIntermediateTensorInfo(h)),p.forEach(h=>t.disposeIntermediateTensorInfo(h)),t.disposeIntermediateTensorInfo(m),t.disposeIntermediateTensorInfo(f),d}let o=t.shouldExecuteOnCPU(r);if(n==="string"&&(o=!0),o){let c=r.map(x=>{let b=y.sizeFromShape(x.shape.slice(e));return le({inputs:{x},backend:t,attrs:{shape:[-1,b]}})}),p=c.map(x=>({vals:t.readSync(x.dataId),shape:x.shape})),m=I.computeOutShape(c.map(x=>x.shape),1),f=c[0].shape[0]===1,d=C$(p,m,n,f),h=I.computeOutShape(r.map(x=>x.shape),e),g=t.makeTensorInfo(h,n,d);return c.forEach(x=>t.disposeIntermediateTensorInfo(x)),g}if(r.length>W().getNumber("WEBGL_MAX_TEXTURES_IN_SHADER")){let c=Math.floor(r.length/2),p=ac(r.slice(0,c),e,t),m=ac(r.slice(c),e,t),f=ac([p,m],e,t);return t.disposeIntermediateTensorInfo(p),t.disposeIntermediateTensorInfo(m),f}if(W().getBool("WEBGL_PACK_ARRAY_OPERATIONS")&&r[0].shape.length>1){let c=new w0(r.map(p=>p.shape),e);return t.runWebGLProgram(c,r,n)}let{tensors2D:s,outShape:a}=f9(r,e,t),i=new b0(s.map(c=>c.shape)),l=t.runWebGLProgram(i,s,n);s.forEach(c=>t.disposeIntermediateTensorInfo(c));let u=le({inputs:{x:l},attrs:{shape:a},backend:t});return t.disposeIntermediateTensorInfo(l),u}function f9(r,e,t){let n=I.computeOutShape(r.map(s=>s.shape),e);return{tensors2D:r.map(s=>le({inputs:{x:s},attrs:{shape:[-1,y.sizeFromShape(s.shape.slice(e))]},backend:t})),outShape:n}}function _0(r){let{inputs:e,backend:t,attrs:n}=r,{axis:o}=n,s=y.parseAxisParam(o,e[0].shape)[0],a=I.computeOutShape(e.map(u=>u.shape),s);if(y.sizeFromShape(a)===0)return t.makeTensorInfo(a,e[0].dtype,[]);let i=e.filter(u=>y.sizeFromShape(u.shape)>0);if(i.length===1)return Yt({inputs:{x:i[0]},backend:t});let l=i.map(u=>u.shape);return I.assertParamsConsistent(l,s),ac(i,s,t)}var hF={kernelName:Qs,backendName:"webgl",kernelFunc:_0};var fd=class{constructor(e,t=!1,n=null,o=!1,s=!1){this.variableNames=["x","W"],this.outputShape=e.outShape;let a=e.padInfo.top,i=e.padInfo.left,l=e.strideHeight,u=e.strideWidth,c=e.dilationHeight,p=e.dilationWidth,m=e.filterHeight,f=e.filterWidth,d=Math.floor(e.inChannels/4)*4,h=e.inChannels%4,g=e.dataFormat==="channelsLast",x=g?1:2,b=g?2:3,w=g?3:1,_="",C="";n&&(o?_=`float activation(float a) {
float b = getPreluActivationWeightsAtOutCoords();
${n}
}`:s?_=`float activation(float a) {
float b = getLeakyreluAlphaAtOutCoords();
${n}
}`:_=`
float activation(float x) {
${n}
2021-06-04 15:20:59 +02:00
}
`,C="result = activation(result);");let A=t?"result += getBiasAtOutCoords();":"";t&&this.variableNames.push("bias"),o&&this.variableNames.push("preluActivationWeights"),s&&this.variableNames.push("leakyreluAlpha"),this.userCode=`
${_}
const ivec2 strides = ivec2(${l}, ${u});
const ivec2 pads = ivec2(${a}, ${i});
void main() {
ivec4 coords = getOutputCoords();
int batch = coords[0];
int d2 = coords[${w}];
ivec2 xRCCorner =
ivec2(coords[${x}], coords[${b}]) * strides - pads;
int xRCorner = xRCCorner.x;
int xCCorner = xRCCorner.y;
// Convolve x(?, ?, d1) with w(:, :, d1, d2) to get y(yR, yC, d2).
// ? = to be determined. : = across all values in that axis.
float dotProd = 0.0;
for (int wR = 0; wR < ${m}; wR++) {
int xR = xRCorner + wR * ${c};
if (xR < 0 || xR >= ${e.inHeight}) {
continue;
}
for (int wC = 0; wC < ${f}; wC++) {
int xC = xCCorner + wC * ${p};
if (xC < 0 || xC >= ${e.inWidth}) {
continue;
}
for (int d1 = 0; d1 < ${d}; d1 += 4) {
vec4 wValues = vec4(
getW(wR, wC, d1, d2),
getW(wR, wC, d1 + 1, d2),
getW(wR, wC, d1 + 2, d2),
getW(wR, wC, d1 + 3, d2)
);
if (${g}) {
vec4 xValues = vec4(
getX(batch, xR, xC, d1),
getX(batch, xR, xC, d1 + 1),
getX(batch, xR, xC, d1 + 2),
getX(batch, xR, xC, d1 + 3)
);
dotProd += dot(xValues, wValues);
} else {
vec4 xValues = vec4(
getX(batch, d1, xR, xC),
getX(batch, d1 + 1, xR, xC),
getX(batch, d1 + 2, xR, xC),
getX(batch, d1 + 3, xR, xC)
);
dotProd += dot(xValues, wValues);
2021-06-04 19:51:01 +02:00
}
2021-06-04 15:20:59 +02:00
}
if (${h===1}) {
if (${g}) {
dotProd +=
getX(batch, xR, xC, ${d}) *
getW(wR, wC, ${d}, d2);
} else {
dotProd +=
getX(batch, ${d}, xR, xC) *
getW(wR, wC, ${d}, d2);
}
} else if (${h===2}) {
vec2 wValues = vec2(
getW(wR, wC, ${d}, d2),
getW(wR, wC, ${d} + 1, d2)
);
if (${g}) {
vec2 xValues = vec2(
getX(batch, xR, xC, ${d}),
getX(batch, xR, xC, ${d} + 1)
);
dotProd += dot(xValues, wValues);
} else {
vec2 xValues = vec2(
getX(batch, ${d}, xR, xC),
getX(batch, ${d} + 1, xR, xC)
);
dotProd += dot(xValues, wValues);
}
} else if (${h===3}) {
vec3 wValues = vec3(
getW(wR, wC, ${d}, d2),
getW(wR, wC, ${d} + 1, d2),
getW(wR, wC, ${d} + 2, d2)
);
if (${g}) {
vec3 xValues = vec3(
getX(batch, xR, xC, ${d}),
getX(batch, xR, xC, ${d} + 1),
getX(batch, xR, xC, ${d} + 2)
);
dotProd += dot(xValues, wValues);
} else {
vec3 xValues = vec3(
getX(batch, ${d}, xR, xC),
getX(batch, ${d} + 1, xR, xC),
getX(batch, ${d} + 2, xR, xC)
);
dotProd += dot(xValues, wValues);
}
2021-06-04 15:20:59 +02:00
}
}
}
float result = dotProd;
${A}
${C}
setOutput(result);
}
`}},k0=class{constructor(e){this.variableNames=["x","W"],this.outputShape=e.outShape;let t=e.padInfo.front,n=e.padInfo.top,o=e.padInfo.left,s=e.strideDepth,a=e.strideHeight,i=e.strideWidth,l=e.dilationDepth,u=e.dilationHeight,c=e.dilationWidth,p=e.filterDepth,m=e.filterHeight,f=e.filterWidth,d=Math.floor(e.inChannels/4)*4,h=e.inChannels%4;this.userCode=`
const ivec3 strides = ivec3(${s}, ${a}, ${i});
const ivec3 pads = ivec3(${t}, ${n}, ${o});
void main() {
ivec5 coords = getOutputCoords();
int batch = coords.x;
int d2 = coords.u;
ivec3 xFRCCorner = ivec3(coords.y, coords.z, coords.w) * strides - pads;
int xFCorner = xFRCCorner.x;
int xRCorner = xFRCCorner.y;
int xCCorner = xFRCCorner.z;
// Convolve x(?, ?, ?, d1) with w(:, :, :, d1, d2) to get
// y(yF, yR, yC, d2). ? = to be determined. : = across all
// values in that axis.
float dotProd = 0.0;
for (int wF = 0; wF < ${p}; wF++) {
int xF = xFCorner + wF * ${l};
if (xF < 0 || xF >= ${e.inDepth}) {
continue;
2021-06-04 19:51:01 +02:00
}
for (int wR = 0; wR < ${m}; wR++) {
int xR = xRCorner + wR * ${u};
if (xR < 0 || xR >= ${e.inHeight}) {
continue;
2021-06-04 15:20:59 +02:00
}
for (int wC = 0; wC < ${f}; wC++) {
int xC = xCCorner + wC * ${c};
if (xC < 0 || xC >= ${e.inWidth}) {
continue;
}
for (int d1 = 0; d1 < ${d}; d1 += 4) {
vec4 xValues = vec4(
getX(batch, xF, xR, xC, d1),
getX(batch, xF, xR, xC, d1 + 1),
getX(batch, xF, xR, xC, d1 + 2),
getX(batch, xF, xR, xC, d1 + 3)
);
vec4 wValues = vec4(
getW(wF, wR, wC, d1, d2),
getW(wF, wR, wC, d1 + 1, d2),
getW(wF, wR, wC, d1 + 2, d2),
getW(wF, wR, wC, d1 + 3, d2)
);
dotProd += dot(xValues, wValues);
}
if (${h===1}) {
dotProd +=
getX(batch, xF, xR, xC, ${d}) *
getW(wF, wR, wC, ${d}, d2);
} else if (${h===2}) {
vec2 xValues = vec2(
getX(batch, xF, xR, xC, ${d}),
getX(batch, xF, xR, xC, ${d} + 1)
);
vec2 wValues = vec2(
getW(wF, wR, wC, ${d}, d2),
getW(wF, wR, wC, ${d} + 1, d2)
);
dotProd += dot(xValues, wValues);
} else if (${h===3}) {
vec3 xValues = vec3(
getX(batch, xF, xR, xC, ${d}),
getX(batch, xF, xR, xC, ${d} + 1),
getX(batch, xF, xR, xC, ${d} + 2)
);
vec3 wValues = vec3(
getW(wF, wR, wC, ${d}, d2),
getW(wF, wR, wC, ${d} + 1, d2),
getW(wF, wR, wC, ${d} + 2, d2)
);
dotProd += dot(xValues, wValues);
}
2021-06-04 19:51:01 +02:00
}
}
}
setOutput(dotProd);
}
`}};var v0=class{constructor(e,t,n){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=e;let{filterWidth:o,inChannels:s,strideWidth:a,strideHeight:i,padInfo:l,outWidth:u,dilationWidth:c,dilationHeight:p,dataFormat:m}=n,{left:f,top:d}=l,h=s*o,g=Lt(),x=m==="channelsLast",b=x?0:1,w=x?1:2,_="";for(let C=0;C<=1;C++)for(let A=0;A<=1;A++)_+=`
blockIndex = rc.y + ${A};
pos = rc.x + ${C};
if(blockIndex < ${e[1]} && pos < ${e[0]}) {
offsetY = int(blockIndex / (${u})) * ${i} - ${d};
d0 = offsetY + ${p} * (pos / ${h});
if(d0 < ${t[b]} && d0 >= 0) {
offsetX = int(mod(float(blockIndex), ${u}.) * ${a}. - ${f}.);
d1 = offsetX + ${c} * (int(mod(float(pos), ${h}.) / ${s}.));
if(d1 < ${t[w]} && d1 >= 0) {
ch = int(mod(float(pos), ${s}.));
if (${x}) {
innerDims = vec2(d1, ch);
result[${C*2+A}] = getChannel(
getA(d0, int(innerDims.x),
int(innerDims.y)), innerDims);
} else {
innerDims = vec2(d0, d1);
result[${C*2+A}] = getChannel(
getA(ch, int(innerDims.x),
int(innerDims.y)), innerDims);
}
}
2021-06-04 19:51:01 +02:00
}
}
`;this.userCode=`
void main() {
ivec2 rc = getOutputCoords();
vec4 result = vec4(0);
int blockIndex, pos, offsetY, d0, offsetX, d1, ch;
vec2 innerDims;
${_}
${g.output} = result;
}
`}};function ny({x:r,filter:e,convInfo:t,backend:n,bias:o=null,preluActivationWeights:s=null,leakyreluAlpha:a=0,activation:i=null}){let l=r.shape,u=n.texData.get(r.dataId),c=t.inChannels,p=l[0]*l[1]*l[2],m=t.outChannels,f=t.dataFormat==="channelsLast",d=!1,h=!1,g,x=[],b=(p===1||m===1)&&c>r0,w=l[2]%2!=0&&!!u.isPacked;if(b||!W().getBool("WEBGL_LAZILY_UNPACK")||!W().getBool("WEBGL_PACK_BINARY_OPERATIONS")||!w){let _=f?l[0]*l[1]*l[2]:l[0]*l[2]*l[3],C=le({inputs:{x:r},backend:n,attrs:{shape:[1,_,t.inChannels]}}),A=le({inputs:{x:e},backend:n,attrs:{shape:[1,t.inChannels,t.outChannels]}}),D=oc({a:C,b:A,transposeA:d,transposeB:h,backend:n,bias:o,activation:i,preluActivationWeights:s,leakyreluAlpha:a});g=le({inputs:{x:D},backend:n,attrs:{shape:t.outShape}}),x.push(C),x.push(A),x.push(D)}else{let _=f?l[0]*l[1]*(l[2]+1):l[0]*l[2]*(l[3]+1),C={dataId:r.dataId,shape:[1,_,t.inChannels],dtype:r.dtype},A=u.shape;u.shape=u.shape.slice(),u.shape[u.shape.length-2]++,y.assert(Fl(u.shape,C.shape),()=>`packed reshape ${u.shape} to ${C.shape} isn't free`);let D=le({inputs:{x:e},backend:n,attrs:{shape:[1,t.inChannels,t.outChannels]}});x.push(D);let $=oc({a:C,b:D,backend:n,transposeA:d,transposeB:h,bias:o,activation:i,preluActivationWeights:s,leakyreluAlpha:a}),R=n.texData.get($.dataId);y.assert(R.isPacked,()=>"batchMatMul result is expected to be packed"),u.shape=A,R.shape=t.outShape,g=Yt({inputs:{x:$},backend:n}),g.shape=t.outShape,x.push($)}for(let _ of x)n.disposeIntermediateTensorInfo(_);return g}function oy({x:r,filter:e,convInfo:t,backend:n,bias:o=null,preluActivationWeights:s=null,leakyreluAlpha:a=0,activation:i=null}){let{filterWidth:l,filterHeight:u,inChannels:c,outWidth:p,outHeight:m,dataFormat:f}=t,d=f==="channelsLast",h=l*u*c,g=m*p,x=[h,g],b=!0,w=!1,_=[],C=le({inputs:{x:r},backend:n,attrs:{shape:r.shape.slice(1)}}),A=le({inputs:{x:e},backend:n,attrs:{shape:[1,h,y.sizeFromShape(e.shape)/h]}});_.push(C),_.push(A);let D=new v0(x,C.shape,t),$=n.runWebGLProgram(D,[C],"float32"),R=le({inputs:{x:$},backend:n,attrs:{shape:[1,x[0],x[1]]}});_.push($),_.push(R);let M=o!=null,G=s!=null,j=i==="leakyrelu",U=i?Pl(i,!0):null,q=new pd(R.shape,A.shape,[1,g,t.outChannels],b,w,M,U,G,j),H=[R,A];if(o&&H.push(o),G&&H.push(s),j){let re=n.makeTensorInfo([],"float32",y.createScalarValue(a,"float32"));H.push(re),_.push(re)}let X=n.runWebGLProgram(q,H,"float32"),ne=d?[1,m,p,t.outChannels]:[1,t.outChannels,m,p],Y=le({inputs:{x:X},backend:n,attrs:{shape:ne}});_.push(X);for(let re of _)n.disposeIntermediateTensorInfo(re);return Y}function d9(r){let{inputs:e,backend:t,attrs:n}=r,{x:o,filter:s}=e,{strides:a,pad:i,dataFormat:l,dilations:u,dimRoundingMode:c}=n,p=I.convertConv2DDataFormat(l),m=I.computeConv2DInfo(o.shape,s.shape,a,u,i,c,!1,p),f;if(m.filterHeight===1&&m.filterWidth===1&&m.dilationHeight===1&&m.dilationWidth===1&&m.strideHeight===1&&m.strideWidth===1&&(m.padInfo.type==="SAME"||m.padInfo.type==="VALID"))f=ny({x:o,filter:s,convInfo:m,backend:t});else if(W().getBool("WEBGL_CONV_IM2COL")&&o.shape[0]===1)f=oy({x:o,filter:s,convInfo:m,backend:t});else{let h=new fd(m);f=t.runWebGLProgram(h,[o,s],"float32")}let d=le({inputs:{x:f},backend:t,attrs:{shape:m.outShape}});return t.disposeIntermediateTensorInfo(f),d}var gF={kernelName:Mo,backendName:"webgl",kernelFunc:d9};var C0=class{constructor(e){this.variableNames=["x","dy"],this.outputShape=e.filterShape;let t=e.strideHeight,n=e.strideWidth,o=e.padInfo.top,s=e.padInfo.left,a=e.dataFormat==="channelsLast";this.userCode=`
void main() {
ivec4 coords = getOutputCoords();
int wR = coords.x;
int wC = coords.y;
int d1 = coords.z;
int d2 = coords.w;
// Convolve x(?, ?, d1) with dy(:, :, d2) to get dw(wR, wC, d1, d2).
// ? = to be determined. : = across all values in that axis.
float dotProd = 0.0;
for (int b = 0; b < ${e.batchSize}; b++) {
for (int yR = 0; yR < ${e.outHeight}; yR++) {
int xR = wR + yR * ${t} - ${o};
if (xR < 0 || xR >= ${e.inHeight}) {
continue;
2021-06-04 19:51:01 +02:00
}
for (int yC = 0; yC < ${e.outWidth}; yC++) {
int xC = wC + yC * ${n} - ${s};
if (xC < 0 || xC >= ${e.inWidth}) {
continue;
}
if (${a}) {
float dyValue = getDy(b, yR, yC, d2);
float xValue = getX(b, xR, xC, d1);
dotProd += (xValue * dyValue);
} else {
float dyValue = getDy(b, d2, yR, yC);
float xValue = getX(b, d1, xR, xC);
dotProd += (xValue * dyValue);
2021-06-04 15:20:59 +02:00
}
2021-06-04 15:20:59 +02:00
}
}
2021-06-04 19:51:01 +02:00
}
setOutput(dotProd);
}
`}},I0=class{constructor(e){this.variableNames=["dy","W"],this.outputShape=e.inShape;let t=e.filterHeight,n=e.filterWidth,o=e.strideHeight,s=e.strideWidth,a=e.dataFormat==="channelsLast",i=t-1-e.padInfo.top,l=n-1-e.padInfo.left,u=a?1:2,c=a?2:3,p=a?3:1;this.userCode=`
const ivec2 pads = ivec2(${i}, ${l});
void main() {
ivec4 coords = getOutputCoords();
int batch = coords[0];
int d1 = coords[${p}];
ivec2 dyCorner = ivec2(coords[${u}], coords[${c}]) - pads;
int dyRCorner = dyCorner.x;
int dyCCorner = dyCorner.y;
// Convolve dy(?, ?, d2) with w(:, :, d1, d2) to compute dx(xR, xC, d1).
// ? = to be determined. : = across all values in that axis.
float dotProd = 0.0;
for (int wR = 0; wR < ${t}; wR++) {
float dyR = float(dyRCorner + wR) / ${o}.0;
if (dyR < 0.0 || dyR >= ${e.outHeight}.0 || fract(dyR) > 0.0) {
continue;
2021-06-04 19:51:01 +02:00
}
int idyR = int(dyR);
int wRPerm = ${t} - 1 - wR;
for (int wC = 0; wC < ${n}; wC++) {
float dyC = float(dyCCorner + wC) / ${s}.0;
if (dyC < 0.0 || dyC >= ${e.outWidth}.0 ||
fract(dyC) > 0.0) {
continue;
2021-06-04 15:20:59 +02:00
}
int idyC = int(dyC);
int wCPerm = ${n} - 1 - wC;
for (int d2 = 0; d2 < ${e.outChannels}; d2++) {
if (${a}) {
float xValue = getDy(batch, idyR, idyC, d2);
float wValue = getW(wRPerm, wCPerm, d1, d2);
dotProd += xValue * wValue;
} else {
float xValue = getDy(batch, d2, idyR, idyC);
float wValue = getW(wRPerm, wCPerm, d1, d2);
dotProd += xValue * wValue;
}
2021-06-04 15:20:59 +02:00
}
2021-06-04 19:51:01 +02:00
}
2021-06-04 15:20:59 +02:00
}
setOutput(dotProd);
}
`}},S0=class{constructor(e){this.variableNames=["x","dy"],this.outputShape=e.filterShape;let t=e.strideDepth,n=e.strideHeight,o=e.strideWidth,s=e.padInfo.front,a=e.padInfo.top,i=e.padInfo.left;this.userCode=`
void main() {
ivec5 coords = getOutputCoords();
int wF = coords.x;
int wR = coords.y;
int wC = coords.z;
int d1 = coords.w;
int d2 = coords.u;
float dotProd = 0.0;
for (int b = 0; b < ${e.batchSize}; b++) {
for (int yF = 0; yF < ${e.outDepth}; yF++) {
int xF = wF + yF * ${t} - ${s};
if (xF < 0 || xF >= ${e.inDepth}) {
continue;
2021-06-04 19:51:01 +02:00
}
for (int yR = 0; yR < ${e.outHeight}; yR++) {
int xR = wR + yR * ${n} - ${a};
if (xR < 0 || xR >= ${e.inHeight}) {
continue;
}
for (int yC = 0; yC < ${e.outWidth}; yC++) {
int xC = wC + yC * ${o} - ${i};
if (xC < 0 || xC >= ${e.inWidth}) {
continue;
}
float dyValue = getDy(b, yF, yR, yC, d2);
float xValue = getX(b, xF, xR, xC, d1);
dotProd += (xValue * dyValue);
2021-06-04 15:20:59 +02:00
}
2021-06-03 15:53:11 +02:00
}
2021-06-04 15:20:59 +02:00
}
2021-06-04 19:51:01 +02:00
}
setOutput(dotProd);
}
`}},N0=class{constructor(e){this.variableNames=["dy","W"],this.outputShape=e.inShape;let t=e.filterDepth,n=e.filterHeight,o=e.filterWidth,s=e.strideDepth,a=e.strideHeight,i=e.strideWidth,l=t-1-e.padInfo.front,u=n-1-e.padInfo.top,c=o-1-e.padInfo.left;this.userCode=`
const ivec3 pads = ivec3(${l}, ${u}, ${c});
void main() {
ivec5 coords = getOutputCoords();
int batch = coords.x;
int d1 = coords.u;
ivec3 dyCorner = ivec3(coords.y, coords.z, coords.w) - pads;
int dyFCorner = dyCorner.x;
int dyRCorner = dyCorner.y;
int dyCCorner = dyCorner.z;
float dotProd = 0.0;
for (int wF = 0; wF < ${t}; wF++) {
float dyF = float(dyFCorner + wF) / ${s}.0;
if (dyF < 0.0 || dyF >= ${e.outDepth}.0 || fract(dyF) > 0.0) {
continue;
2021-06-04 19:51:01 +02:00
}
int idyF = int(dyF);
int wFPerm = ${t} - 1 - wF;
for (int wR = 0; wR < ${n}; wR++) {
float dyR = float(dyRCorner + wR) / ${a}.0;
if (dyR < 0.0 || dyR >= ${e.outHeight}.0 ||
fract(dyR) > 0.0) {
continue;
2021-06-04 19:51:01 +02:00
}
int idyR = int(dyR);
int wRPerm = ${n} - 1 - wR;
for (int wC = 0; wC < ${o}; wC++) {
float dyC = float(dyCCorner + wC) / ${i}.0;
if (dyC < 0.0 || dyC >= ${e.outWidth}.0 ||
fract(dyC) > 0.0) {
continue;
}
int idyC = int(dyC);
int wCPerm = ${o} - 1 - wC;
for (int d2 = 0; d2 < ${e.outChannels}; d2++) {
float xValue = getDy(batch, idyF, idyR, idyC, d2);
float wValue = getW(wFPerm, wRPerm, wCPerm, d1, d2);
dotProd += xValue * wValue;
}
2021-06-04 15:20:59 +02:00
}
}
}
setOutput(dotProd);
}
`}};function h9(r){let{inputs:e,backend:t,attrs:n}=r,{x:o,dy:s}=e,{strides:a,pad:i,dataFormat:l,dimRoundingMode:u,filterShape:c}=n,p=I.convertConv2DDataFormat(l),m=I.computeConv2DInfo(o.shape,c,a,1,i,u,!1,p),f=new C0(m);return t.runWebGLProgram(f,[o,s],"float32")}var xF={kernelName:Vc,backendName:"webgl",kernelFunc:h9};function g9(r){let{inputs:e,backend:t,attrs:n}=r,{dy:o,filter:s}=e,{inputShape:a,strides:i,pad:l,dataFormat:u,dimRoundingMode:c}=n,p=I.convertConv2DDataFormat(u),m=I.computeConv2DInfo(a,s.shape,i,1,l,c,!1,p),f=new I0(m);return t.runWebGLProgram(f,[o,s],"float32")}var yF={kernelName:Lo,backendName:"webgl",kernelFunc:g9};function x9(r){let{inputs:e,backend:t,attrs:n}=r,{x:o,filter:s}=e,{strides:a,pad:i,dilations:l}=n,u=I.computeConv3DInfo(o.shape,s.shape,a,l,i),c=new k0(u);return t.runWebGLProgram(c,[o,s],"float32")}var bF={kernelName:pl,backendName:"webgl",kernelFunc:x9};function y9(r){let{inputs:e,backend:t,attrs:n}=r,{x:o,dy:s}=e,{strides:a,pad:i,filterShape:l}=n,u=I.computeConv3DInfo(o.shape,l,a,1,i),c=new S0(u);return t.runWebGLProgram(c,[o,s],"float32")}var wF={kernelName:Gc,backendName:"webgl",kernelFunc:y9};function b9(r){let{inputs:e,backend:t,attrs:n}=r,{dy:o,filter:s}=e,{pad:a,strides:i,inputShape:l}=n,u=I.computeConv3DInfo(l,s.shape,i,1,a),c=new N0(u);return t.runWebGLProgram(c,[o,s],"float32")}var _F={kernelName:Wc,backendName:"webgl",kernelFunc:b9};var w9=Zx+`
return cos(x);
`,_9=ke({opSnippet:w9}),kF={kernelName:zo,backendName:"webgl",kernelFunc:_9};var k9=`
float e2x = exp(-x);
return (e2x + 1.0 / e2x) / 2.0;
`,v9=ke({opSnippet:k9}),vF={kernelName:Gi,backendName:"webgl",kernelFunc:v9};var T0=class{constructor(e,t,n,o,s){this.variableNames=["Image","Boxes","BoxInd"],this.outputShape=[];let[a,i,l,u]=e,[c]=t,[p,m]=n;this.outputShape=[c,p,m,u];let f=o==="bilinear"?1:0,[d,h]=[`${i-1}.0`,`${l-1}.0`],[g,x,b]=p>1?[`${(i-1)/(p-1)}`,"(y2-y1) * height_ratio",`y1*${d} + float(y)*(height_scale)`]:["0.0","0.0",`0.5 * (y1+y2) * ${d}`],[w,_,C]=m>1?[`${(l-1)/(m-1)}`,"(x2-x1) * width_ratio",`x1*${h} + float(x)*(width_scale)`]:["0.0","0.0",`0.5 * (x1+x2) * ${h}`];this.userCode=`
const float height_ratio = float(${g});
const float width_ratio = float(${w});
void main() {
ivec4 coords = getOutputCoords();
int b = coords[0];
int y = coords[1];
int x = coords[2];
int d = coords[3];
// get box vals
float y1 = getBoxes(b,0);
float x1 = getBoxes(b,1);
float y2 = getBoxes(b,2);
float x2 = getBoxes(b,3);
// get image in batch index
int bInd = round(getBoxInd(b));
if(bInd < 0 || bInd >= ${a}) {
return;
2021-06-04 19:51:01 +02:00
}
float height_scale = ${x};
float width_scale = ${_};
float in_y = ${b};
if( in_y < 0.0 || in_y > ${d} ) {
setOutput(float(${s}));
return;
2021-06-03 15:53:11 +02:00
}
float in_x = ${C};
if( in_x < 0.0 || in_x > ${h} ) {
setOutput(float(${s}));
return;
2021-06-04 15:20:59 +02:00
}
vec2 sourceFracIndexCR = vec2(in_x,in_y);
if(${f} == 1) {
// Compute the four integer indices.
ivec2 sourceFloorCR = ivec2(sourceFracIndexCR);
ivec2 sourceCeilCR = ivec2(ceil(sourceFracIndexCR));
float topLeft = getImage(b, sourceFloorCR.y, sourceFloorCR.x, d);
float bottomLeft = getImage(b, sourceCeilCR.y, sourceFloorCR.x, d);
float topRight = getImage(b, sourceFloorCR.y, sourceCeilCR.x, d);
float bottomRight = getImage(b, sourceCeilCR.y, sourceCeilCR.x, d);
vec2 fracCR = sourceFracIndexCR - vec2(sourceFloorCR);
float top = topLeft + (topRight - topLeft) * fracCR.x;
float bottom = bottomLeft + (bottomRight - bottomLeft) * fracCR.x;
float newValue = top + (bottom - top) * fracCR.y;
setOutput(newValue);
2021-06-04 19:51:01 +02:00
} else {
// Compute the coordinators of nearest neighbor point.
ivec2 sourceNearestCR = ivec2(floor(
sourceFracIndexCR + vec2(0.5,0.5)));
float newValue = getImage(b, sourceNearestCR.y, sourceNearestCR.x, d);
setOutput(newValue);
2021-06-04 19:51:01 +02:00
}
}
`}};var C9=r=>{let{inputs:e,backend:t,attrs:n}=r,{image:o,boxes:s,boxInd:a}=e,{cropSize:i,method:l,extrapolationValue:u}=n,c=new T0(o.shape,s.shape,i,l,u);return t.runWebGLProgram(c,[o,s,a],"float32")},CF={kernelName:Wi,backendName:"webgl",kernelFunc:C9};var sy=class{constructor(e,t,n){this.variableNames=["x"],this.outputShape=e;let o=e.length,s=t?"0.0":`getX(${IF(o,"coords")})`,a=e[e.length-1],i="",l="";t?(i=n?`end != ${a-1}`:"end != 0",l=n?"end + 1":"end - 1"):(i=n?`end + pow2 < ${a}`:"end >= pow2",l=n?"end + pow2":"end - pow2"),this.userCode=`
uniform float index;
void main() {
${Ge(o)} coords = getOutputCoords();
int end = ${SF(o,"coords")};
float val = ${s};
int pow2 = int(pow(2.0, index));
if (${i}) {
int idx = ${l};
${SF(o,"coords")} = idx;
val += getX(${IF(o,"coords")});
2021-06-04 19:51:01 +02:00
}
setOutput(val);
}
`}getCustomSetupFunc(e){return(t,n)=>{this.index==null&&(this.index=t.getUniformLocation(n,"index")),t.gl.uniform1f(this.index,e)}}};function IF(r,e){if(r===1)return`${e}`;if(r===2)return`${e}.x, ${e}.y`;if(r===3)return`${e}.x, ${e}.y, ${e}.z`;if(r===4)return`${e}.x, ${e}.y, ${e}.z, ${e}.w`;throw Error(`Cumulative sum for rank ${r} is not yet supported`)}function SF(r,e){if(r===1)return`${e}`;if(r===2)return`${e}.y`;if(r===3)return`${e}.z`;if(r===4)return`${e}.w`;throw Error(`Cumulative sum for rank ${r} is not yet supported`)}function I9(r){let{inputs:e,backend:t,attrs:n}=r,{x:o}=e,{axis:s,exclusive:a,reverse:i}=n,l=o.shape.length,u=I.getAxesPermutation([s],l),c=o;u!=null&&(c=Ft({inputs:{x:o},backend:t,attrs:{perm:u}}));let p=I.getInnerMostAxes(1,l)[0];if(p!==l-1)throw new Error(`WebGL cumsum shader expects an inner-most axis=${o.shape.length-1} but got axis=${s}`);let m=c.shape[p],f=Yt({inputs:{x:c},backend:t});for(let d=0;d<=Math.ceil(Math.log2(m))-1;d++){let h=new sy(c.shape,!1,i),g=h.getCustomSetupFunc(d),x=f;f=t.runWebGLProgram(h,[f],f.dtype,g),t.disposeIntermediateTensorInfo(x)}if(a){let d=new sy(c.shape,a,i),h=f;f=t.runWebGLProgram(d,[f],f.dtype),t.disposeIntermediateTensorInfo(h)}if(u!=null){let d=I.getUndoAxesPermutation(u),h=Ft({inputs:{x:f},backend:t,attrs:{perm:d}});return t.disposeIntermediateTensorInfo(f),t.disposeIntermediateTensorInfo(c),h}return f}var NF={kernelName:Bo,backendName:"webgl",kernelFunc:I9};function S9(r){let{inputs:e,backend:t,attrs:n}=r,{x:o,weights:s}=e,{size:a,binaryOutput:i}=n;if(o.shape.length===1){let l=t.readSync(o.dataId),u=t.readSync(s.dataId),c=qx(l,u,s.dtype,s.shape,a);return t.makeTensorInfo([a],s.dtype,c)}else if(o.shape.length===2){let l=t.bufferSync(o),u=t.bufferSync(s),c=k$(l,u,a,i);return t.makeTensorInfo(c.shape,s.dtype,c.values)}throw new Error(`Error in denseBincount: input must be at most rank 2, but got rank${o.shape.length}.`)}var TF={kernelName:jc,backendName:"webgl",kernelFunc:S9};var E0=class{constructor(e,t,n){this.variableNames=["x"],this.outputShape=[],this.outputShape=e,this.blockSize=t,this.dataFormat=n,this.userCode=`
void main() {
ivec4 coords = getOutputCoords();
int b = coords[0];
int h = ${this.getHeightCoordString()};
int w = ${this.getWidthCoordString()};
int d = ${this.getDepthCoordString()};
int in_h = h / ${t};
int offset_h = imod(h, ${t});
int in_w = w / ${t};
int offset_w = imod(w, ${t});
int offset_d = (offset_h * ${t} + offset_w) *
${this.getOutputDepthSize()};
int in_d = d + offset_d;
float result = ${this.getInputSamplingString()};
setOutput(result);
}
`}getHeightCoordString(){return this.dataFormat==="NHWC"?"coords[1]":"coords[2]"}getWidthCoordString(){return this.dataFormat==="NHWC"?"coords[2]":"coords[3]"}getDepthCoordString(){return this.dataFormat==="NHWC"?"coords[3]":"coords[1]"}getOutputDepthSize(){return this.dataFormat==="NHWC"?this.outputShape[3]:this.outputShape[1]}getInputSamplingString(){return this.dataFormat==="NHWC"?"getX(b, in_h, in_w, in_d)":"getX(b, in_d, in_h, in_w)"}};function N9(r){let{inputs:e,backend:t,attrs:n}=r,{x:o}=e,{blockSize:s,dataFormat:a}=n;y.assert(s>1,()=>`blockSize should be > 1 for depthToSpace, but was: ${s}`);let i=o.shape[0],l=a==="NHWC"?o.shape[1]:o.shape[2],u=a==="NHWC"?o.shape[2]:o.shape[3],c=a==="NHWC"?o.shape[3]:o.shape[1],p=l*s,m=u*s,f=c/(s*s),d=a==="NHWC"?[i,p,m,f]:[i,f,p,m],h=new E0(d,s,a);return t.runWebGLProgram(h,[o],o.dtype)}var EF={kernelName:ji,backendName:"webgl",kernelFunc:N9};var dd=class{constructor(e,t=!1,n=null,o=!1,s=!1){this.variableNames=["x","W"],this.outputShape=e.outShape;let a=e.inHeight,i=e.inWidth,l=e.padInfo.top,u=e.padInfo.left,c=e.strideHeight,p=e.strideWidth,m=e.dilationHeight,f=e.dilationWidth,d=e.filterHeight,h=e.filterWidth,g=e.outChannels/e.inChannels,x="",b="";n&&(o?x=`float activation(float a) {
float b = getPreluActivationWeightsAtOutCoords();
${n}
}`:s?x=`float activation(float a) {
float b = getLeakyreluAlphaAtOutCoords();
${n}
}`:x=`
float activation(float x) {
${n}
2021-06-03 15:53:11 +02:00
}
`,b="result = activation(result);");let w=t?"result += getBiasAtOutCoords();":"";t&&this.variableNames.push("bias"),o&&this.variableNames.push("preluActivationWeights"),s&&this.variableNames.push("leakyreluAlpha"),this.userCode=`
${x}
const ivec2 strides = ivec2(${c}, ${p});
const ivec2 pads = ivec2(${l}, ${u});
void main() {
ivec4 coords = getOutputCoords();
int batch = coords.x;
ivec2 xRCCorner = coords.yz * strides - pads;
int d2 = coords.w;
int d1 = d2 / ${g};
int q = d2 - d1 * ${g};
int xRCorner = xRCCorner.x;
int xCCorner = xRCCorner.y;
// Convolve x(?, ?, d1) with w(:, :, d1, q) to get y(yR, yC, d2).
// ? = to be determined. : = across all values in that axis.
float dotProd = 0.0;
// TO DO(dsmilkov): Flatten the two for loops and vec4 the operations.
for (int wR = 0; wR < ${d}; wR++) {
int xR = xRCorner + wR * ${m};
if (xR < 0 || xR >= ${a}) {
continue;
2021-06-04 15:20:59 +02:00
}
for (int wC = 0; wC < ${h}; wC++) {
int xC = xCCorner + wC * ${f};
if (xC < 0 || xC >= ${i}) {
continue;
2021-06-04 15:20:59 +02:00
}
float xVal = getX(batch, xR, xC, d1);
float wVal = getW(wR, wC, d1, q);
dotProd += xVal * wVal;
2021-06-04 15:20:59 +02:00
}
2021-06-04 19:51:01 +02:00
}
float result = dotProd;
${w}
${b}
setOutput(result);
}
`}};var hd=class{constructor(e,t=!1,n=null,o=!1,s=!1){this.variableNames=["x","W"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=e.outShape;let a=e.outChannels/e.inChannels,i=e.inHeight,l=e.inWidth,u=e.padInfo.top,c=e.padInfo.left,p=e.strideHeight,m=e.strideWidth,f=e.dilationHeight,d=e.dilationWidth,h=e.filterHeight,g=e.filterWidth,x=g,b=`
int xR; int xC; int xCOffset;
vec4 wTexel; vec4 previous; vec4 final;`;for(let A=0;A<g;A++)b+=`
vec4 xTexelC${A*2};
int xTexelC${A*2}Ready;
vec4 xC${A};`;for(let A=0;A<h;A++){for(let D=0;D<g;D++)b+=`
xTexelC${D*2} = vec4(0.0);
xTexelC${D*2}Ready = 0;
xC${D} = vec4(0.0);`;b+=`
xR = xRCorner + ${A*f};
if (xR >=0 && xR < ${i}) {
`;for(let D=0;D<(x+1)/2;D++){let $=D*2,R=$*d;if(b+=`
xC = xCCorner + ${R};
`,m===1){if($<g&&(c%2==1?(b+=`
xCOffset = xC + 1;
if (xCOffset >= 0 && xCOffset < ${l} && xTexelC${R}Ready == 0) {
xTexelC${R} = getX(batch, xR, xCOffset, d1);
// Need to manually clear unused channels in case
// we're reading from recycled texture.
if (xCOffset + 1 >= ${l}) {
xTexelC${R}.zw = vec2(0.0);
}
xTexelC${R}Ready = 1;
2021-06-04 19:51:01 +02:00
}
`,d===1&&R>0?b+=`
xC${$} = vec4(xTexelC${R-2}.zw, xTexelC${R}.xy);
`:b+=`
xCOffset = xC + 1 - 2;
if (xCOffset >= 0 && xCOffset < ${l}) {
previous = getX(batch, xR, xCOffset, d1);
// Need to manually clear unused channels in case
// we're reading from recycled texture.
if (xCOffset + 1 >= ${l}) {
previous.zw = vec2(0.0);
}
xC${$} = vec4(previous.zw, xTexelC${R}.xy);
} else {
xC${$} = vec4(0.0, 0.0, xTexelC${R}.xy);
}
`):b+=`
if (xC >= 0 && xC < ${l} && xTexelC${R}Ready == 0) {
xTexelC${R} = getX(batch, xR, xC, d1);
if (xC + 1 >= ${l}) {
xTexelC${R}.zw = vec2(0.0);
}
xTexelC${R}Ready = 1;
}
xC${$} = xTexelC${R};
`,R+1<g)){let M=c%2==0?y.nearestLargerEven(d):d;d%2==0&&c%2==1||d%2!=0&&c%2!=1?(b+=`
xCOffset = xC + ${c%2} + ${M};
if (xCOffset >= 0 && xCOffset < ${l} && xTexelC${R+2}Ready == 0) {
xTexelC${R+2} = getX(batch, xR, xCOffset, d1);
// Need to manually clear unused channels in case
// we're reading from recycled texture.
if (xCOffset + 1 >= ${l}) {
xTexelC${R+2}.zw = vec2(0.0);
}
xTexelC${R+2}Ready = 1;
}
`,d>1&&(b+=`
xCOffset -= 2;
if (xCOffset >= 0 && xCOffset < ${l} && xTexelC${R}Ready == 0) {
xTexelC${R} = getX(batch, xR, xCOffset, d1);
xTexelC${R}Ready = 1;
}
`),b+=`
xC${$+1} = vec4(xTexelC${R}.zw, xTexelC${R+2}.xy);
`):M===1?b+=`
xC${$+1} = xTexelC${R};
`:b+=`
xCOffset = xC + ${M};
if (xCOffset >= 0 && xCOffset < ${l} && xTexelC${R+2}Ready == 0) {
xTexelC${R+2} = getX(batch, xR, xCOffset, d1);
if (xCOffset + 1 >= ${l}) {
xTexelC${R+2}.zw = vec2(0.0);
}
xTexelC${R+2}Ready = 1;
}
xC${$+1} = xTexelC${R+2};
`}}else R<g&&(c%2==1?(b+=`
xCOffset = xC + 1 - ${m};
if(xCOffset >= 0 && xCOffset < ${l} && xTexelC${R}Ready == 0) {
xTexelC${R} = getX(batch, xR, xCOffset, d1);
// Need to manually clear unused channels in case
// we're reading from recycled texture.
if (xCOffset + 1 >= ${l}) {
xTexelC${R}.zw = vec2(0.0);
}
xTexelC${R}Ready = 1;
}
if(xC + 1 >= 0 && xC + 1 < ${l} && xTexelC${R+2}Ready == 0) {
xTexelC${R+2} = getX(batch, xR, xC + 1, d1);
// Need to manually clear unused channels in case
// we're reading from recycled texture.
if (xC + 2 >= ${l}) {
xTexelC${R+2}.zw = vec2(0.0);
}
xTexelC${R+2}Ready = 1;
}
xC${$} = vec4(xTexelC${R}.zw, xTexelC${R+2}.zw);
`,R+1<g&&(b+=`
final = vec4(0.0);
xCOffset = xC + 1 + ${m};
if(xCOffset >= 0 && xCOffset < ${l}) {
final = getX(batch, xR, xCOffset, d1);
}
xC${$+1} = vec4(xTexelC${R+2}.xy, final.xy);
`)):(b+=`
if(xC >= 0 && xC < ${l} && xTexelC${R}Ready == 0) {
xTexelC${R} = getX(batch, xR, xC, d1);
if (xC + 1 >= ${l}) {
xTexelC${R}.zw = vec2(0.0);
}
xTexelC${R}Ready = 1;
}
xCOffset = xC + ${m};
if(xCOffset >= 0 && xCOffset < ${l} && xTexelC${R+2}Ready == 0) {
xTexelC${R+2} = getX(batch, xR, xCOffset, d1);
if (xCOffset + 1 >= ${l}) {
xTexelC${R+2}.zw = vec2(0.);
}
xTexelC${R+2}Ready = 1;
}
xC${$} = vec4(
xTexelC${R}.xy, xTexelC${R+2}.xy);
`,R+1<g&&(b+=`
xC${$+1} = vec4(xTexelC${R}.zw, xTexelC${R+2}.zw);
`)));$<g&&(b+=`
wTexel = getW(${A}, ${R}, d1, q);
dotProd += xC${$} * vec4(wTexel.xz, wTexel.xz);
`,R+1<g&&(b+=`
wTexel = getW(${A}, ${R+1}, d1, q);
dotProd += xC${$+1} * vec4(wTexel.xz, wTexel.xz);
`))}b+=`
}
`}let w="",_="";n&&(o?w=`vec4 activation(vec4 a) {
vec4 b = getPreluActivationWeightsAtOutCoords();
${n}
}`:s?w=`vec4 activation(vec4 a) {
vec4 b = getLeakyreluAlphaAtOutCoords();
${n}
}`:w=`vec4 activation(vec4 x) {
${n}
}`,_="result = activation(result);");let C=t?"result += getBiasAtOutCoords();":"";t&&this.variableNames.push("bias"),o&&this.variableNames.push("preluActivationWeights"),s&&this.variableNames.push("leakyreluAlpha"),this.userCode=`
${w}
const ivec2 strides = ivec2(${p}, ${m});
const ivec2 pads = ivec2(${u}, ${c});
void main() {
ivec4 coords = getOutputCoords();
int batch = coords.x;
ivec2 xRCCorner = coords.yz * strides - pads;
int d2 = coords.w;
int d1 = d2 / ${a};
int q = d2 - d1 * ${a};
int xRCorner = xRCCorner.x;
int xCCorner = xRCCorner.y;
//intialize dotProd with a small epsilon seems to reduce GPU accuracy loss.
vec4 dotProd = vec4(0.000000000000001);
${b}
vec4 result = dotProd - vec4(0.000000000000001);
${C}
${_}
setOutput(result);
}
`}};function T9(r){let{inputs:e,backend:t,attrs:n}=r,{x:o,filter:s}=e,{strides:a,pad:i,dilations:l,dimRoundingMode:u}=n,c=l;c==null&&(c=[1,1]),y.assert(I.eitherStridesOrDilationsAreOne(a,c),()=>`Error in depthwiseConv2d: Either strides or dilations must be 1. Got strides ${a} and dilations '${c}'`);let p=I.computeConv2DInfo(o.shape,s.shape,a,c,i,u,!0),m;return W().getBool("WEBGL_PACK_DEPTHWISECONV")&&p.strideWidth<=2&&p.outChannels/p.inChannels==1?m=new hd(p):m=new dd(p),t.runWebGLProgram(m,[o,s],"float32")}var AF={kernelName:Vo,backendName:"webgl",kernelFunc:T9};var A0=class{constructor(e){this.variableNames=["x","dy"],this.outputShape=e.filterShape;let t=e.strideHeight,n=e.strideWidth,o=e.padInfo.top,s=e.padInfo.left,a=e.outChannels/e.inChannels;this.userCode=`
void main() {
ivec4 coords = getOutputCoords();
int wR = coords.x;
int wC = coords.y;
int d1 = coords.z;
int dm = coords.w;
int d2 = d1 * ${a} + dm;
float dotProd = 0.0;
// TO DO: Vec4 over the batch size
for (int b = 0; b < ${e.batchSize}; b++) {
for (int yR = 0; yR < ${e.outHeight}; yR++) {
int xR = wR + yR * ${t} - ${o};
if (xR < 0 || xR >= ${e.inHeight}) {
2021-06-04 19:51:01 +02:00
continue;
}
for (int yC = 0; yC < ${e.outWidth}; yC++) {
int xC = wC + yC * ${n} - ${s};
if (xC < 0 || xC >= ${e.inWidth}) {
continue;
2021-06-04 19:51:01 +02:00
}
float dyValue = getDy(b, yR, yC, d2);
float xValue = getX(b, xR, xC, d1);
dotProd += (xValue * dyValue);
2021-06-04 19:51:01 +02:00
}
}
}
setOutput(dotProd);
}
`}},D0=class{constructor(e){this.variableNames=["dy","W"],this.outputShape=e.inShape;let t=e.filterHeight,n=e.filterWidth,o=e.strideHeight,s=e.strideWidth,a=t-1-e.padInfo.top,i=n-1-e.padInfo.left,l=e.outChannels/e.inChannels;this.userCode=`
const ivec2 pads = ivec2(${a}, ${i});
void main() {
ivec4 coords = getOutputCoords();
int batch = coords[0];
int d1 = coords[3];
ivec2 dyCorner = coords.yz - pads;
int dyRCorner = dyCorner.x;
int dyCCorner = dyCorner.y;
float dotProd = 0.0;
for (int wR = 0; wR < ${t}; wR++) {
float dyR = float(dyRCorner + wR) / ${o}.0;
if (dyR < 0.0 || dyR >= ${e.outHeight}.0 || fract(dyR) > 0.0) {
continue;
2021-06-04 19:51:01 +02:00
}
int idyR = int(dyR);
int wRPerm = ${t} - 1 - wR;
for (int wC = 0; wC < ${n}; wC++) {
float dyC = float(dyCCorner + wC) / ${s}.0;
if (dyC < 0.0 || dyC >= ${e.outWidth}.0 ||
fract(dyC) > 0.0) {
continue;
2021-06-04 19:51:01 +02:00
}
int idyC = int(dyC);
int wCPerm = ${n} - 1 - wC;
// TO DO: Vec4 over the channelMul
for (int dm = 0; dm < ${l}; dm++) {
int d2 = d1 * ${l} + dm;
float xValue = getDy(batch, idyR, idyC, d2);
float wValue = getW(wRPerm, wCPerm, d1, dm);
dotProd += xValue * wValue;
2021-06-04 19:51:01 +02:00
}
}
}
setOutput(dotProd);
2021-06-04 19:51:01 +02:00
}
`}};function E9(r){let{inputs:e,backend:t,attrs:n}=r,{x:o,dy:s}=e,{strides:a,dilations:i,pad:l,dimRoundingMode:u,filterShape:c}=n,p=I.computeConv2DInfo(o.shape,c,a,i,l,u,!0),m=new A0(p);return t.runWebGLProgram(m,[o,s],"float32")}var DF={kernelName:Uc,backendName:"webgl",kernelFunc:E9};function A9(r){let{inputs:e,backend:t,attrs:n}=r,{dy:o,filter:s}=e,{strides:a,dilations:i,pad:l,dimRoundingMode:u,inputShape:c}=n,p=I.computeConv2DInfo(c,s.shape,a,i,l,u,!0),m=new D0(p);return t.runWebGLProgram(m,[o,s],"float32")}var $F={kernelName:qc,backendName:"webgl",kernelFunc:A9};var $0=class{constructor(e){this.variableNames=["X"],this.outputShape=[e,e],this.userCode=`
void main() {
ivec2 coords = getOutputCoords();
float val = coords[0] == coords[1] ? getX(coords[0]) : 0.0;
setOutput(val);
2021-06-04 19:51:01 +02:00
}
`}};function D9(r){let{inputs:e,backend:t}=r,{x:n}=e,o=[...n.shape,...n.shape],s=y.sizeFromShape(n.shape),a=le({inputs:{x:n},backend:t,attrs:{shape:[s]}}),i=new $0(s),l=t.runWebGLProgram(i,[a],a.dtype),u=le({inputs:{x:l},backend:t,attrs:{shape:o}});return t.disposeIntermediateTensorInfo(a),t.disposeIntermediateTensorInfo(l),u}var RF={kernelName:Hc,backendName:"webgl",kernelFunc:D9};var R0=class{constructor(e){this.variableNames=["x","W"],this.outputShape=e.outShape;let{inHeight:t,inWidth:n,padInfo:o,strideHeight:s,strideWidth:a,filterHeight:i,filterWidth:l,dilationHeight:u,dilationWidth:c}=e,{top:p,left:m}=o;this.userCode=`
const ivec2 strides = ivec2(${s}, ${a});
const ivec2 pads = ivec2(${p}, ${m});
const float neg_infinity = -3.4e38;
void main() {
ivec4 coords = getOutputCoords();
int batch = coords.x;
int d1 = coords.w;
ivec2 outTopLeftCorner =
coords.yz * strides - pads;
int hBeg = outTopLeftCorner.x;
int wBeg = outTopLeftCorner.y;
float curVal = neg_infinity;
for (int h = 0; h < ${i}; h++) {
int hIn = hBeg + h * ${u};
if (hIn >= 0 && hIn < ${t}) {
for (int w = 0; w < ${l}; w++) {
int wIn = wBeg + w * ${c};
if (wIn >= 0 && wIn < ${n}) {
float xVal = getX(batch, hIn, wIn, d1);
float wVal = getW(h, w, d1);
float val = xVal + wVal;
if (val > curVal) {
curVal = val;
}
}
2021-06-04 19:51:01 +02:00
}
}
}
float result = curVal;
setOutput(result);
}
`}};function $9(r){let{inputs:e,backend:t,attrs:n}=r,{x:o,filter:s}=e,{strides:a,pad:i,dilations:l}=n,u=I.computeDilation2DInfo(o.shape,s.shape,a,i,"NHWC",l),c,p=new R0(u);c=t.runWebGLProgram(p,[o,s],"float32");let m=le({inputs:{x:c},backend:t,attrs:{shape:u.outShape}});return t.disposeIntermediateTensorInfo(c),m}var FF={kernelName:ml,backendName:"webgl",kernelFunc:$9};function R9(r){let{inputs:e,backend:t,attrs:n}=r,{equation:o}=n,s=e,{allDims:a,summedDims:i,idDims:l}=I.decodeEinsumEquation(o,s.length);I.checkEinsumDimSizes(a.length,l,s);let{path:u,steps:c}=I.getEinsumComputePath(i,l),p=c.length,m=null,f=a.length,d=[];for(let h=0;h<p;++h){for(let g of c[h]){let{permutationIndices:x,expandDims:b}=I.getEinsumPermutation(f,l[g]),w;I.isIdentityPermutation(x)?w=s[g]:(w=Ft({inputs:{x:s[g]},backend:t,attrs:{perm:x}}),d.push(w));let _=w.shape.slice();for(let C=0;C<b.length;++C)_.splice(b[C],0,1);y.arraysEqual(w.shape,_)||(w=le({inputs:{x:w},backend:t,attrs:{shape:_}}),d.push(w)),m===null?m=w:(m=md({inputs:{a:w,b:m},backend:t}),d.push(m))}h<p-1&&(u[h]>=0&&(m=nc({inputs:{x:m},backend:t,attrs:{axis:u[h]-(a.length-f),keepDims:!1}}),d.push(m)),f--)}for(let h of d)h!==m&&t.disposeIntermediateTensorInfo(h);return m}var OF={kernelName:Kc,backendName:"webgl",kernelFunc:R9};var F9="return (x >= 0.0) ? x : (exp(x) - 1.0);",O9=`
vec4 result;
result.r = (x.r >= 0.0) ? x.r : (exp(x.r) - 1.0);
result.g = (x.g >= 0.0) ? x.g : (exp(x.g) - 1.0);
result.b = (x.b >= 0.0) ? x.b : (exp(x.b) - 1.0);
result.a = (x.a >= 0.0) ? x.a : (exp(x.a) - 1.0);
return result;
`,P9=ke({opSnippet:F9,packedOpSnippet:O9}),PF={kernelName:Ui,backendName:"webgl",kernelFunc:P9};var M9="return (b >= 1.0) ? a : a * (b + 1.0);",L9=`
vec4 bGTEZero = vec4(greaterThanEqual(b, vec4(0.)));
return (bGTEZero * a) + ((vec4(1.0) - bGTEZero) * (a * (b + vec4(1.0))));
`,z9=r=>{let{inputs:e,backend:t}=r,{dy:n,y:o}=e,s=W().getBool("WEBGL_PACK_BINARY_OPERATIONS")?new zs(L9,n.shape,o.shape):new ko(M9,n.shape,o.shape);return t.runWebGLProgram(s,[n,o],n.dtype)},MF={kernelName:Xc,backendName:"webgl",kernelFunc:z9};var B9=`
return vec4(equal(a, b));
`,V9="return float(a == b);",G9=it({opSnippet:V9,packedOpSnippet:B9,dtype:"bool",cpuKernelImpl:I$}),LF={kernelName:Hi,backendName:"webgl",kernelFunc:G9};var W9=`
// Error function is calculated approximately with elementary function.
// See "Handbook of Mathematical Functions with Formulas,
// Graphs, and Mathematical Tables", Abramowitz and Stegun.
float p = ${I.ERF_P};
float a1 = ${I.ERF_A1};
float a2 = ${I.ERF_A2};
float a3 = ${I.ERF_A3};
float a4 = ${I.ERF_A4};
float a5 = ${I.ERF_A5};
float sign = sign(x);
x = abs(x);
float t = 1.0 / (1.0 + p * x);
return sign * (1.0 - (((((a5*t + a4)*t) + a3)*t + a2)*t + a1)*t*exp(-x*x));
`,j9=ke({opSnippet:W9}),zF={kernelName:qi,backendName:"webgl",kernelFunc:j9};var BF="return exp(x);",F0=ke({opSnippet:BF,packedOpSnippet:BF,cpuKernelImpl:S$}),VF={kernelName:Wo,backendName:"webgl",kernelFunc:F0};function iy(r){let{inputs:e,attrs:t,backend:n}=r,{dim:o}=t,{input:s}=e,a=s.shape.length,i=s.shape.slice(),l=o;return o<0&&(y.assert(-(a+1)<=o,()=>`Axis must be in the interval [${-(a+1)}, ${a}]`),l=a+o+1),i.splice(l,0,1),le({inputs:{x:s},backend:n,attrs:{shape:i}})}var GF={kernelName:ei,backendName:"webgl",kernelFunc:iy};var WF="return exp(x) - 1.0;",U9=ke({opSnippet:WF,packedOpSnippet:WF,cpuKernelImpl:N$}),jF={kernelName:Ki,backendName:"webgl",kernelFunc:U9};var ay=class{constructor(e,t,n){this.variableNames=["real","imag"];let o=t[1];this.outputShape=t;let s=n?`2.0 * ${Math.PI}`:`-2.0 * ${Math.PI}`,a=n?`${o}.0`:"1.0",i;if(e==="real")i="return real * expR - imag * expI;";else if(e==="imag")i="return real * expI + imag * expR;";else throw new Error(`FFT component must be either "real" or "imag", got ${e}.`);this.userCode=`
const float exponentMultiplier = ${s};
float unaryOpComplex(float real, float expR, float imag, float expI) {
${i}
2021-06-04 19:51:01 +02:00
}
float mulMatDFT(int batch, int index) {
float indexRatio = float(index) / float(${o});
float exponentMultiplierTimesIndexRatio =
exponentMultiplier * indexRatio;
float result = 0.0;
for (int i = 0; i < ${o}; i++) {
// x = (-2|2 * PI / N) * index * i;
float x = exponentMultiplierTimesIndexRatio * float(i);
float expR = cos(x);
float expI = sin(x);
float real = getReal(batch, i);
float imag = getImag(batch, i);
result +=
unaryOpComplex(real, expR, imag, expI) / ${a};
2021-06-04 19:51:01 +02:00
}
return result;
2021-06-04 19:51:01 +02:00
}
void main() {
ivec2 coords = getOutputCoords();
setOutput(mulMatDFT(coords[0], coords[1]));
2021-06-04 19:51:01 +02:00
}
`}};function ly(r,e,t){let n=t.texData.get(r.dataId),o=y.sizeFromShape(r.shape),s=r.shape[r.shape.length-1],a=o/s,i=le({inputs:{x:r},backend:t,attrs:{shape:[a,s]}}),l=i.shape,u=new ay("real",l,e),c=new ay("imag",l,e),p=[{dataId:n.complexTensorInfos.real.dataId,dtype:n.complexTensorInfos.real.dtype,shape:l},{dataId:n.complexTensorInfos.imag.dataId,dtype:n.complexTensorInfos.imag.dtype,shape:l}],m=t.runWebGLProgram(u,p,"float32"),f=t.runWebGLProgram(c,p,"float32"),d=Cn({inputs:{real:m,imag:f},backend:t});t.disposeIntermediateTensorInfo(m),t.disposeIntermediateTensorInfo(f);let h=le({inputs:{x:d},backend:t,attrs:{shape:r.shape}});return t.disposeIntermediateTensorInfo(i),t.disposeIntermediateTensorInfo(d),h}function q9(r){let{inputs:e,backend:t}=r,{input:n}=e;return ly(n,!1,t)}var UF={kernelName:Yc,backendName:"webgl",kernelFunc:q9};var O0=class{constructor(e,t){this.outputShape=[],this.variableNames=["x"],this.outputShape=e,this.userCode=`
uniform float value;
void main() {
// Input can be obtained from uniform value.
setOutput(value);
}
`}getCustomSetupFunc(e){return(t,n)=>{this.valueLoc==null&&(this.valueLoc=t.getUniformLocationNoThrow(n,"value")),t.gl.uniform1f(this.valueLoc,e)}}};function gd(r){let{backend:e,attrs:t}=r,{shape:n,value:o}=t,{dtype:s}=t;if(s=s||y.inferDtype(o),s==="string"){let a=y.getArrayFromDType(s,y.sizeFromShape(n));return a.fill(o),e.makeTensorInfo(n,s,a)}else{let a=new O0(n,o),i=a.getCustomSetupFunc(o);return e.runWebGLProgram(a,[],s,i)}}var qF={kernelName:fl,backendName:"webgl",kernelFunc:gd};var P0=class{constructor(e){this.variableNames=["Image"],this.outputShape=[];let t=e[2];this.outputShape=e,this.userCode=`
void main() {
ivec4 coords = getOutputCoords();
int x = coords[2];
int coordX = ${t} - x;
float outputValue;
if(coordX >= 0 && coordX < ${t}) {
outputValue = getImage(coords[0], coords[1], coordX, coords[3]);
2021-06-04 15:20:59 +02:00
} else {
outputValue = getImage(coords[0], coords[1], coords[2], coords[3]);
2021-06-04 19:51:01 +02:00
}
setOutput(outputValue);
2021-06-03 15:53:11 +02:00
}
`}};var HF={kernelName:Xi,backendName:"webgl",kernelFunc:({inputs:r,backend:e})=>{let{image:t}=r,n=e,o=new P0(t.shape);return n.runWebGLProgram(o,[t],t.dtype)}};var KF="return floor(x);",H9=ke({opSnippet:KF,packedOpSnippet:KF,cpuKernelImpl:T$}),XF={kernelName:jo,backendName:"webgl",kernelFunc:H9};var K9=`
float s = sign(a) * sign(b);
int ia = round(a);
int ib = round(b);
if (ib != 0) {
// Windows (D3D) wants guaranteed non-zero int division at compile-time.
return float(idiv(ia, ib, s));
} else {
return NAN;
2021-06-04 19:51:01 +02:00
}
`,X9=`
ivec4 ia = round(a);
ivec4 ib = round(b);
bvec4 cond = notEqual(ib, ivec4(0));
ivec4 result = ivec4(0);
vec4 s = sign(a) * sign(b);
// Windows (D3D) wants guaranteed non-zero int division at compile-time.
if (cond[0]) {
result[0] = idiv(ia[0], ib[0], s[0]);
2021-06-03 15:53:11 +02:00
}
if (cond[1]) {
result[1] = idiv(ia[1], ib[1], s[1]);
}
if (cond[2]) {
result[2] = idiv(ia[2], ib[2], s[2]);
}
if (cond[3]) {
result[3] = idiv(ia[3], ib[3], s[3]);
}
return vec4(result);
`,Y9=it({opSnippet:K9,packedOpSnippet:X9,dtype:"int32"}),YF={kernelName:Uo,backendName:"webgl",kernelFunc:Y9};var M0=class{constructor(e){this.variableNames=["A"];let t=Lt(),[n,o]=e;this.outputShape=e,this.userCode=`
void main() {
ivec3 coords = getOutputCoords();
int texR = coords[0];
int texC = coords[1];
int depth = coords[2];
vec2 uv = (vec2(texC, texR) + halfCR) / vec2(${o}.0, ${n}.0);
vec4 values = ${t.texture2D}(A, uv);
float value;
if (depth == 0) {
value = values.r;
} else if (depth == 1) {
value = values.g;
} else if (depth == 2) {
value = values.b;
} else if (depth == 3) {
value = values.a;
2021-06-04 19:51:01 +02:00
}
setOutput(floor(value * 255.0 + 0.5));
2021-06-04 19:51:01 +02:00
}
`}};var L0=class{constructor(e){this.variableNames=["A"],this.packedInputs=!1,this.packedOutput=!0;let t=Lt(),[n,o]=e;this.outputShape=e,this.userCode=`
void main() {
ivec3 coords = getOutputCoords();
int texR = coords[0];
int texC = coords[1];
int depth = coords[2];
vec4 result = vec4(0.);
for(int row=0; row<=1; row++) {
for(int col=0; col<=1; col++) {
texC = coords[1] + row;
depth = coords[2] + col;
vec2 uv = (vec2(texC, texR) + halfCR) /
vec2(${o}.0, ${n}.0);
vec4 values = ${t.texture2D}(A, uv);
float value;
if (depth == 0) {
value = values.r;
} else if (depth == 1) {
value = values.g;
} else if (depth == 2) {
value = values.b;
} else if (depth == 3) {
value = values.a;
2021-06-04 19:51:01 +02:00
}
result[row * 2 + col] = floor(value * 255.0 + 0.5);
2021-06-04 19:51:01 +02:00
}
}
${t.output} = result;
2021-06-04 19:51:01 +02:00
}
`}};var ZF={kernelName:of,backendName:"webgl",kernelFunc:Z9},om;function Z9(r){let{inputs:e,backend:t,attrs:n}=r,{pixels:o}=e,{numChannels:s}=n,a=typeof HTMLVideoElement!="undefined"&&o instanceof HTMLVideoElement,i=typeof HTMLImageElement!="undefined"&&o instanceof HTMLImageElement,[l,u]=a?[o.videoWidth,o.videoHeight]:[o.width,o.height],c=[u,l],p=[u,l,s];(i||a)&&(om==null&&(om=document.createElement("canvas").getContext("2d")),om.canvas.width=l,om.canvas.height=u,om.drawImage(o,0,0,l,u),o=om.canvas);let m=t.makeTensorInfo(c,"int32");t.texData.get(m.dataId).usage=Vr.PIXELS,t.gpgpu.uploadPixelDataToTexture(t.getTexture(m.dataId),o);let f=W().getBool("WEBGL_PACK")?new L0(p):new M0(p),d=t.runWebGLProgram(f,[m],"int32");return t.disposeData(m.dataId),d}function J9(r){let{inputs:e,backend:t,attrs:n}=r,{x:o,filter:s,bias:a,preluActivationWeights:i}=e,{strides:l,pad:u,dataFormat:c,dilations:p,dimRoundingMode:m,activation:f,leakyreluAlpha:d}=n,h=I.convertConv2DDataFormat(c),g=I.computeConv2DInfo(o.shape,s.shape,l,p,u,m,!1,h),x,b=[];if(g.filterHeight===1&&g.filterWidth===1&&g.dilationHeight===1&&g.dilationWidth===1&&g.strideHeight===1&&g.strideWidth===1&&(g.padInfo.type==="SAME"||g.padInfo.type==="VALID"))x=ny({x:o,filter:s,convInfo:g,backend:t,bias:a,activation:f,preluActivationWeights:i,leakyreluAlpha:d});else if(W().getBool("WEBGL_CONV_IM2COL")&&o.shape[0]===1)x=oy({x:o,filter:s,convInfo:g,backend:t,bias:a,activation:f,preluActivationWeights:i,leakyreluAlpha:d});else{let _=a!=null,C=i!=null,A=f==="leakyrelu",D=f?Pl(f,!1):null,$=new fd(g,_,D,C,A),R=[o,s];if(a&&R.push(a),i&&R.push(i),A){let M=t.makeTensorInfo([],"float32",y.createScalarValue(d,"float32"));R.push(M),b.push(M)}x=t.runWebGLProgram($,R,"float32")}let w=le({inputs:{x},backend:t,attrs:{shape:g.outShape}});return b.push(x),b.forEach(_=>t.disposeIntermediateTensorInfo(_)),w}var JF={kernelName:mi,backendName:"webgl",kernelFunc:J9};function Q9(r){let{inputs:e,backend:t,attrs:n}=r,{x:o,filter:s,bias:a,preluActivationWeights:i}=e,{strides:l,pad:u,dilations:c,dimRoundingMode:p,activation:m,leakyreluAlpha:f}=n,d=[],h=c;h==null&&(h=[1,1]),y.assert(I.eitherStridesOrDilationsAreOne(l,h),()=>`Error in depthwiseConv2d: Either strides or dilations must be 1. Got strides ${l} and dilations '${h}'`);let g=I.computeConv2DInfo(o.shape,s.shape,l,h,u,p,!0),x=W().getBool("WEBGL_PACK_DEPTHWISECONV")&&g.strideWidth<=2&&g.outChannels/g.inChannels==1,b=m?Pl(m,x):null,w=[o,s],_=a!=null,C=i!=null,A=m==="leakyrelu";if(_&&w.push(a),C&&w.push(i),A){let R=t.makeTensorInfo([],"float32",y.createScalarValue(f,"float32"));w.push(R),d.push(R)}let D;x?D=new hd(g,_,b,C,A):D=new dd(g,_,b,C,A);let $=t.runWebGLProgram(D,w,"float32");return d.forEach(R=>t.disposeIntermediateTensorInfo(R)),$}var QF={kernelName:fi,backendName:"webgl",kernelFunc:Q9};var z0=class{constructor(e,t,n){this.sliceDim=e,this.strides=t,this.variableNames=["x","indices"],this.outputShape=n;let o=Ge(t.length),s=Ge(n.length),a=this.sliceDim>1?"strides[j]":"strides";this.userCode=`
${o} strides = ${o}(${this.strides});
void main() {
${s} coords = getOutputCoords();
int flattenIndex = 0;
for (int j = 0; j < ${this.sliceDim}; j++) {
int index = round(getIndices(coords[0], j));
flattenIndex += index * ${a};
2021-06-04 19:51:01 +02:00
}
setOutput(getX(flattenIndex, coords[1]));
2021-06-04 19:51:01 +02:00
}
`}};function eZ(r){let{inputs:e,backend:t}=r,{params:n,indices:o}=e,s=o.shape,a=s[s.length-1],i=y.sizeFromShape(n.shape),[l,u,c,p]=I.prepareAndValidate(n,o),m=le({inputs:{x:o},backend:t,attrs:{shape:[u,a]}}),f=le({inputs:{x:n},backend:t,attrs:{shape:[y.sizeFromShape(n.shape)/c,c]}});if(t.shouldExecuteOnCPU([n,o])||n.dtype==="string"){let x=t.readSync(o.dataId),b=t.bufferSync(n),w=E$(x,b,n.dtype,u,a,c,p,n.shape,i);return t.makeTensorInfo(l,n.dtype,w.values)}let d=new z0(a,p,[u,c]),h=t.runWebGLProgram(d,[f,m],f.dtype),g=le({inputs:{x:h},backend:t,attrs:{shape:l}});return t.disposeIntermediateTensorInfo(m),t.disposeIntermediateTensorInfo(f),t.disposeIntermediateTensorInfo(h),g}var eO={kernelName:Yi,backendName:"webgl",kernelFunc:eZ};var B0=class{constructor(e,t){this.variableNames=["A","indices"],this.outputShape=t,this.rank=t.length;let n=Ge(this.rank),o=tZ(e,2);this.userCode=`
void main() {
${n} resRC = getOutputCoords();
setOutput(getA(${o}));
2021-06-04 19:51:01 +02:00
}
`}};function tZ(r,e){let t=["resRC.x","resRC.y","resRC.z","resRC.w"],n=[];for(let o=0;o<r.length;o++)o===2?n.push("int(getIndices(resRC.x, resRC.z))"):n.push(`${t[o]}`);return n.join()}function rZ(r){let{inputs:e,backend:t,attrs:n}=r,{x:o,indices:s}=e,{axis:a,batchDims:i}=n,l=y.parseAxisParam(a,o.shape)[0],u=I.segment_util.collectGatherOpShapeInfo(o,s,l,i),c=y.sizeFromShape(s.shape),p=[],m=le({inputs:{x:o},backend:t,attrs:{shape:[u.batchSize,u.outerSize,u.dimSize,u.sliceSize]}}),f=le({inputs:{x:s},backend:t,attrs:{shape:[u.batchSize,c/u.batchSize]}});p.push(m),p.push(f);let d=[u.batchSize,u.outerSize,c/u.batchSize,u.sliceSize];if(t.shouldExecuteOnCPU([o,s])||o.dtype==="string"){let b=t.bufferSync(f),w=t.bufferSync(m),_=A$(w,b,d);return p.forEach(C=>t.disposeIntermediateTensorInfo(C)),t.makeTensorInfo(u.outputShape,_.dtype,_.values)}let h=new B0(m.shape,d),g=t.runWebGLProgram(h,[m,f],m.dtype);p.push(g);let x=le({inputs:{x:g},backend:t,attrs:{shape:u.outputShape}});return p.forEach(b=>t.disposeIntermediateTensorInfo(b)),x}var tO={kernelName:ti,backendName:"webgl",kernelFunc:rZ};var nZ="return float(a > b);",oZ=`
return vec4(greaterThan(a, b));
`,sZ=it({opSnippet:nZ,packedOpSnippet:oZ,cpuKernelImpl:D$,dtype:"bool"}),rO={kernelName:Zi,backendName:"webgl",kernelFunc:sZ};var iZ="return float(a >= b);",aZ=`
return vec4(greaterThanEqual(a, b));
`,lZ=it({opSnippet:iZ,packedOpSnippet:aZ,dtype:"bool",cpuKernelImpl:$$}),nO={kernelName:Ho,backendName:"webgl",kernelFunc:lZ};function uZ(r){let{inputs:e,backend:t}=r,{input:n}=e;return ly(n,!0,t)}var oO={kernelName:Zc,backendName:"webgl",kernelFunc:uZ};var cZ="return float(!isnan(x) && !isinf(x));",pZ=ke({opSnippet:cZ,dtype:"bool"}),sO={kernelName:Ji,backendName:"webgl",kernelFunc:pZ};var mZ="return float(isinf(x));",fZ=ke({opSnippet:mZ,dtype:"bool"}),iO={kernelName:Qi,backendName:"webgl",kernelFunc:fZ};var dZ="return float(isnan(x));",hZ=ke({opSnippet:dZ,dtype:"bool"}),aO={kernelName:ea,backendName:"webgl",kernelFunc:hZ};var gZ="return float(a < b);",xZ=`
return vec4(lessThan(a, b));
`,yZ=it({opSnippet:gZ,packedOpSnippet:xZ,cpuKernelImpl:R$,dtype:"bool"}),lO={kernelName:ta,backendName:"webgl",kernelFunc:yZ};var bZ="return float(a <= b);",wZ=`
return vec4(lessThanEqual(a, b));
`,_Z=it({opSnippet:bZ,packedOpSnippet:wZ,cpuKernelImpl:F$,dtype:"bool"}),uO={kernelName:ra,backendName:"webgl",kernelFunc:_Z};function kZ(r){let{backend:e,attrs:t}=r,{start:n,stop:o,num:s}=t,a=O$(n,o,s);return e.makeTensorInfo([a.length],"float32",a)}var cO={kernelName:Qc,backendName:"webgl",kernelFunc:kZ};var vZ=`if (x < 0.0) return NAN;
return log(x);`,CZ=`
vec4 result = log(x);
vec4 isNaN = vec4(lessThan(x, vec4(0.0)));
result.r = isNaN.r == 1.0 ? NAN : result.r;
result.g = isNaN.g == 1.0 ? NAN : result.g;
result.b = isNaN.b == 1.0 ? NAN : result.b;
result.a = isNaN.a == 1.0 ? NAN : result.a;
return result;
`,IZ=ke({opSnippet:vZ,packedOpSnippet:CZ,cpuKernelImpl:P$}),pO={kernelName:Xo,backendName:"webgl",kernelFunc:IZ};var SZ="return log(1.0 + x);",NZ=ke({opSnippet:SZ}),mO={kernelName:na,backendName:"webgl",kernelFunc:NZ};var TZ="return float(a >= 1.0 && b >= 1.0);",EZ=`
return vec4(
vec4(greaterThanEqual(a, vec4(1.0))) *
vec4(greaterThanEqual(b, vec4(1.0))));
`,AZ=it({opSnippet:TZ,packedOpSnippet:EZ,dtype:"bool"}),fO={kernelName:oa,backendName:"webgl",kernelFunc:AZ};var DZ="return float(!(x >= 1.0));",$Z=ke({opSnippet:DZ}),dO={kernelName:iu,backendName:"webgl",kernelFunc:$Z};var RZ="return float(a >= 1.0 || b >= 1.0);",FZ=`
return min(
vec4(greaterThanEqual(a, vec4(1.0))) +
vec4(greaterThanEqual(b, vec4(1.0))),
vec4(1.0));
`,OZ=it({opSnippet:RZ,packedOpSnippet:FZ,dtype:"bool"}),hO={kernelName:au,backendName:"webgl",kernelFunc:OZ};var V0=class{constructor(e,t,n,o,s){this.variableNames=["x"],this.outputShape=[];let a=t,i=e[3]-1;this.outputShape=e;let l,u=`float(${n}) + float(${o}) * sum`;s===.5?l=`inversesqrt(${u})`:s===1?l=`1.0/(${u})`:l=`exp(log(${u}) * float(-${s}));`,this.userCode=`
void main() {
ivec4 coords = getOutputCoords();
int b = coords[0];
int r = coords[1];
int c = coords[2];
int d = coords[3];
float x = getX(b, r, c, d);
float sum = 0.0;
for (int j = -${a}; j <= ${a}; j++) {
int idx = d + j;
if (idx >= 0 && idx <= ${i}) {
float z = getX(b, r, c, idx);
sum += z * z;
}
2021-06-04 19:51:01 +02:00
}
float val = x * ${l};
setOutput(val);
2021-06-04 19:51:01 +02:00
}
`}};var G0=class{constructor(e,t,n,o,s){this.variableNames=["x"],this.outputShape=[],this.packedInputs=!0,this.packedOutput=!0;let a=t,i=e[3]-1;this.outputShape=e;let l,u=`float(${n}) + float(${o}) * sum`;s===.5?l=`inversesqrt(${u})`:s===1?l=`1.0/(${u})`:l=`exp(log(${u}) * float(-${s}));`,this.userCode=`
void main() {
ivec4 coords = getOutputCoords();
int b = coords.x;
int r = coords.y;
int c = coords.z;
int d = coords.w;
2021-06-04 15:20:59 +02:00
bool hasNextCol = d < ${this.outputShape[3]};
bool hasNextRow = c < ${this.outputShape[2]};
2021-06-04 15:20:59 +02:00
vec4 sum = vec4(0.);
vec4 xFragAtOutputCoords = getX(b, r, c, d);
2021-06-04 15:20:59 +02:00
vec4 xAtOutputCoords = vec4(
getChannel(xFragAtOutputCoords, vec2(c, d)),
hasNextCol ?
getChannel(xFragAtOutputCoords, vec2(c, d + 1)) : 0.0,
hasNextRow ?
getChannel(xFragAtOutputCoords , vec2(c + 1, d)) : 0.0,
(hasNextRow && hasNextCol) ?
getChannel(xFragAtOutputCoords, vec2(c + 1, d + 1)) : 0.0
);
2021-06-04 15:20:59 +02:00
int firstChannel = d - ${a};
vec2 cache = vec2(0.);
if(firstChannel >= 0){
vec4 firstChannelFrag = getX(b, r, c, firstChannel);
cache.x = getChannel(firstChannelFrag, vec2(c, firstChannel));
if(hasNextRow){
cache.y = getChannel(firstChannelFrag, vec2(c + 1, firstChannel));
}
}
2021-06-04 15:20:59 +02:00
ivec2 depth = ivec2(d, d + 1);
for (int j = - ${a}; j <= ${a}; j++) {
ivec2 idx = depth + j;
bvec2 aboveLowerBound = greaterThanEqual(idx, ivec2(0));
bvec2 belowUpperBound = lessThanEqual(idx, ivec2(${i}));
2021-06-04 15:20:59 +02:00
bool depthInRange = aboveLowerBound.x && belowUpperBound.x;
bool depthPlusOneInRange = aboveLowerBound.y && belowUpperBound.y;
2021-06-04 15:20:59 +02:00
if(depthInRange || depthPlusOneInRange){
vec4 z = vec4(0.);
vec4 xFragAtCurrentDepth;
z.xz = cache.xy;
if(depthPlusOneInRange && hasNextCol){
xFragAtCurrentDepth = idx.y != d ?
getX(b, r, c, idx.y) : xFragAtOutputCoords;
z.y = getChannel(xFragAtCurrentDepth, vec2(c, idx.y));
if(hasNextRow){
z.w = getChannel(xFragAtCurrentDepth, vec2(c + 1, idx.y));
}
}
cache.xy = z.yw;
sum += z * z;
}
}
vec4 result = xAtOutputCoords * ${l};
setOutput(result);
2021-06-04 19:51:01 +02:00
}
`}};var PZ=r=>{let{inputs:e,backend:t,attrs:n}=r,{x:o}=e,{depthRadius:s,bias:a,alpha:i,beta:l}=n,u=W().getBool("WEBGL_PACK_NORMALIZATION")?new G0(o.shape,s,a,i,l):new V0(o.shape,s,a,i,l);return t.runWebGLProgram(u,[o],o.dtype)},gO={kernelName:dl,backendName:"webgl",kernelFunc:PZ};var W0=class{constructor(e,t,n,o,s){this.variableNames=["inputImage","outputImage","dy"],this.outputShape=[],this.outputShape=e,this.depth=e[3],this.depthRadius=t,this.bias=n,this.alpha=o,this.beta=s,this.userCode=`
void main() {
ivec4 coords = getOutputCoords();
int b = coords[0];
int r = coords[1];
int c = coords[2];
float result = 0.0;
for (int d = 0; d < ${this.depth}; ++d) {
int depthBegin = int(max(0.0, float(d - ${t})));
int depthEnd = int(min(float(${this.depth}),
float(d + ${t} + 1)));
const int MIN_DEPTH_BEGIN = 0;
const int MAX_DEPTH_END = ${this.depth};
float norm = 0.0;
for (int k = MIN_DEPTH_BEGIN; k < MAX_DEPTH_END; ++k) {
if (k < depthBegin){
continue;
}
else if (k >= depthBegin && k < depthEnd) {
norm += getInputImage(b, r, c, k) * getInputImage(b, r, c, k);
}
else {
break;
}
}
norm = float(${o}) * norm + float(${n});
for(int k = MIN_DEPTH_BEGIN; k < MAX_DEPTH_END; ++k){
if (k < depthBegin){
continue;
}
else if (k >= depthBegin && k < depthEnd){
float dyi = -2.0 * float(${o})
* float(${s})
* getInputImage(b ,r ,c, k) * getOutputImage(b, r, c, d)
/ norm;
if (k == d) {
dyi += pow(norm, -1.0 * ${s});
}
if (k == coords[3]) {
dyi *= getDy(b, r, c, d);
result += dyi;
}
}
else {
break;
}
}
2021-06-04 19:51:01 +02:00
}
setOutput(result);
2021-06-04 19:51:01 +02:00
}
`}};var MZ=r=>{let{inputs:e,backend:t,attrs:n}=r,{x:o,y:s,dy:a}=e,{depthRadius:i,bias:l,alpha:u,beta:c}=n,p=new W0(o.shape,i,l,u,c);return t.runWebGLProgram(p,[o,s,a],o.dtype)},xO={kernelName:ep,backendName:"webgl",kernelFunc:MZ};function yO(r,e,t,n){let o=y.sizeFromShape(e),a=y.sizeFromShape(r.shape)/o,i=le({inputs:{x:r},attrs:{shape:[a,o]},backend:n}),l=Ln(i,r.dtype,"max",n),u=le({inputs:{x:l},attrs:{shape:t},backend:n});return n.disposeIntermediateTensorInfo(i),n.disposeIntermediateTensorInfo(l),u}function j0(r){let{inputs:e,backend:t,attrs:n}=r,{x:o}=e,{reductionIndices:s,keepDims:a}=n,i=o.shape.length,l=y.parseAxisParam(s,o.shape),u=l,c=I.getAxesPermutation(u,i),p=c!=null,m=t.shouldExecuteOnCPU([o]),f=o;if(p){if(m){let w=t.texData.get(f.dataId).values,_=new Array(i);for(let D=0;D<_.length;D++)_[D]=o.shape[c[D]];let C=tc(w,o.shape,o.dtype,c,_);f=t.makeTensorInfo(_,o.dtype);let A=t.texData.get(f.dataId);A.values=C}else f=Ml(o,c,t);u=I.getInnerMostAxes(u.length,i)}I.assertAxesAreInnerMostDims("max",u,i);let[d,h]=I.computeOutAndReduceShapes(f.shape,u),g=d;a&&(g=I.expandShapeToKeepDim(d,l));let x;if(m){let w=t.texData.get(f.dataId).values,_=M$(w,y.sizeFromShape(h),g,o.dtype);x=t.makeTensorInfo(g,o.dtype);let C=t.texData.get(x.dataId);C.values=_}else x=yO(f,h,g,t);return p&&t.disposeIntermediateTensorInfo(f),x}var bO={kernelName:Yo,backendName:"webgl",kernelFunc:j0};var LZ=Yx+`
return max(a, b);
`,zZ=`
vec4 result = vec4(max(a, b));
vec4 isNaN = min(vec4(isnan(a)) + vec4(isnan(b)), vec4(1.0));
`+Ol+`
return result;
`,BZ=it({opSnippet:LZ,packedOpSnippet:zZ,cpuKernelImpl:L$}),wO={kernelName:Zo,backendName:"webgl",kernelFunc:BZ};function VZ(r){let{inputs:e,backend:t,attrs:n}=r,{x:o}=e;Ps(o,"maxPool");let{filterSize:s,strides:a,pad:i,dimRoundingMode:l}=n,u=1;y.assert(I.eitherStridesOrDilationsAreOne(a,u),()=>`Error in maxPool: Either strides or dilations must be 1. Got strides ${a} and dilations '${u}'`);let c=I.computePool2DInfo(o.shape,s,a,u,i,l);if(c.filterWidth===1&&c.filterHeight===1&&y.arraysEqual(c.inShape,c.outShape))return Yt({inputs:{x:o},backend:t});let p=new _i(c,"max",!1);return t.runWebGLProgram(p,[o],o.dtype)}var _O={kernelName:Jo,backendName:"webgl",kernelFunc:VZ};function GZ(r){let{inputs:e,backend:t,attrs:n}=r,{x:o}=e,{filterSize:s,strides:a,pad:i,dataFormat:l,dimRoundingMode:u}=n,c=[1,1,1],p=I.computePool3DInfo(o.shape,s,a,c,i,u,l),m=new sc(p,"max",!1);return t.runWebGLProgram(m,[o],o.dtype)}var kO={kernelName:hl,backendName:"webgl",kernelFunc:GZ};var U0=class{constructor(e){this.variableNames=["dy","maxPos"],this.outputShape=e.inShape;let t=e.strideHeight,n=e.strideWidth,o=e.dilationHeight,s=e.effectiveFilterHeight,a=e.effectiveFilterWidth,i=s-1-e.padInfo.top,l=a-1-e.padInfo.left,u=s*a-1;this.userCode=`
const ivec2 pads = ivec2(${i}, ${l});
void main() {
ivec4 coords = getOutputCoords();
int b = coords[0];
int d = coords[3];
ivec2 dyRCCorner = coords.yz - pads;
int dyRCorner = dyRCCorner.x;
int dyCCorner = dyRCCorner.y;
// Convolve dy(?, ?, d) with pos mask(:, :, d) to get dx(xR, xC, d).
// ? = to be determined. : = across all values in that axis.
float dotProd = 0.0;
for (int wR = 0; wR < ${s};
wR += ${o}) {
float dyR = float(dyRCorner + wR) / ${t}.0;
if (dyR < 0.0 || dyR >= ${e.outHeight}.0 || fract(dyR) > 0.0) {
continue;
}
int idyR = int(dyR);
for (int wC = 0; wC < ${a}; wC++) {
float dyC = float(dyCCorner + wC) / ${n}.0;
if (dyC < 0.0 || dyC >= ${e.outWidth}.0 ||
fract(dyC) > 0.0) {
continue;
}
int idyC = int(dyC);
float dyValue = getDy(b, idyR, idyC, d);
int maxPosValue = ${u} - int(getMaxPos(b, idyR, idyC, d));
// Get the current value, check it against the value from the
// position matrix.
int curPosValue = wR * ${a} + wC;
float mask = float(maxPosValue == curPosValue ? 1.0 : 0.0);
dotProd += dyValue * mask;
}
}
setOutput(dotProd);
2021-06-04 19:51:01 +02:00
}
`}},q0=class{constructor(e){this.variableNames=["dy","maxPos"],this.outputShape=e.inShape;let t=e.strideDepth,n=e.strideHeight,o=e.strideWidth,s=e.dilationDepth,a=e.dilationHeight,i=e.dilationWidth,l=e.effectiveFilterDepth,u=e.effectiveFilterHeight,c=e.effectiveFilterWidth,p=l-1-e.padInfo.front,m=u-1-e.padInfo.top,f=c-1-e.padInfo.left,d=l*u*c-1;this.userCode=`
const ivec3 pads = ivec3(${p}, ${m}, ${f});
void main() {
ivec5 coords = getOutputCoords();
int batch = coords.x;
int ch = coords.u;
ivec3 dyCorner = ivec3(coords.y, coords.z, coords.w) - pads;
int dyDCorner = dyCorner.x;
int dyRCorner = dyCorner.y;
int dyCCorner = dyCorner.z;
// Convolve dy(?, ?, ?, ch) with pos mask(:, :, :, d) to get
// dx(xD, xR, xC, ch).
// ? = to be determined. : = across all values in that axis.
float dotProd = 0.0;
for (int wD = 0; wD < ${l};
wD += ${s}) {
float dyD = float(dyDCorner + wD) / ${t}.0;
if (dyD < 0.0 || dyD >= ${e.outDepth}.0 || fract(dyD) > 0.0) {
continue;
}
int idyD = int(dyD);
for (int wR = 0; wR < ${u};
wR += ${a}) {
float dyR = float(dyRCorner + wR) / ${n}.0;
if (dyR < 0.0 || dyR >= ${e.outHeight}.0 ||
fract(dyR) > 0.0) {
continue;
}
int idyR = int(dyR);
for (int wC = 0; wC < ${c};
wC += ${i}) {
float dyC = float(dyCCorner + wC) / ${o}.0;
if (dyC < 0.0 || dyC >= ${e.outWidth}.0 ||
fract(dyC) > 0.0) {
continue;
}
int idyC = int(dyC);
float dyValue = getDy(batch, idyD, idyR, idyC, ch);
int maxPosValue = ${d} -
int(getMaxPos(batch, idyD, idyR, idyC, ch));
// Get the current value, check it against the value from the
// position matrix.
int curPosValue =
wD * ${u} * ${c} +
wR * ${c} + wC;
float mask = float(maxPosValue == curPosValue ? 1.0 : 0.0);
dotProd += dyValue * mask;
}
}
}
setOutput(dotProd);
2021-06-04 19:51:01 +02:00
}
`}};function WZ(r){let{inputs:e,backend:t,attrs:n}=r,{dy:o,input:s}=e,a=s,{filterSize:i,strides:l,pad:u,dimRoundingMode:c}=n,p=[1,1,1],m=I.computePool3DInfo(a.shape,i,l,p,u,c),f=new sc(m,"max",!0),d=t.runWebGLProgram(f,[a],a.dtype),h=new q0(m),g=t.runWebGLProgram(h,[o,d],a.dtype);return t.disposeIntermediateTensorInfo(d),g}var vO={kernelName:rp,backendName:"webgl",kernelFunc:WZ};function jZ(r){let{inputs:e,backend:t,attrs:n}=r,{dy:o,input:s,output:a}=e,i=s;Ps([s,a],"maxPoolGrad");let{filterSize:l,strides:u,pad:c,dimRoundingMode:p}=n,m=I.computePool2DInfo(i.shape,l,u,1,c,p),f=!0,d=new _i(m,"max",f),h=t.runWebGLProgram(d,[i],i.dtype),g=new U0(m),x=t.runWebGLProgram(g,[o,h],i.dtype);return t.disposeIntermediateTensorInfo(h),x}var CO={kernelName:tp,backendName:"webgl",kernelFunc:jZ};function IO(r,e,t,n){let o=new _i(t,"max",!1),s=n.runWebGLProgram(o,[r],"float32");o=new _i(t,"max",!0,!0,e);let a=n.runWebGLProgram(o,[r],"float32");return[s,a]}var SO={kernelName:np,backendName:"webgl",kernelFunc:({inputs:r,attrs:e,backend:t})=>{let{x:n}=r,{filterSize:o,strides:s,pad:a,includeBatchInIndex:i}=e,l=t;y.assert(n.shape.length===4,()=>`Error in maxPool: input must be rank 4 but got rank ${n.shape.length}.`);let u=[1,1];y.assert(I.eitherStridesOrDilationsAreOne(s,u),()=>`Error in maxPool: Either strides or dilations must be 1. Got strides ${s} and dilations '${u}'`);let c=I.computePool2DInfo(n.shape,o,s,u,a),[p,m]=IO(n,i,c,l);return[p,m]}};function NO(r,e,t,n){let o=y.sizeFromShape(e),a=y.sizeFromShape(r.shape)/o,i=le({inputs:{x:r},attrs:{shape:[a,o]},backend:n}),l=Ln(i,"float32","mean",n),u=le({inputs:{x:l},attrs:{shape:t},backend:n});return n.disposeIntermediateTensorInfo(i),n.disposeIntermediateTensorInfo(l),u}var TO={kernelName:Qo,backendName:"webgl",kernelFunc:({inputs:r,attrs:e,backend:t})=>{let{x:n}=r,{keepDims:o,axis:s}=e,a=t,i=n.shape.length,l=y.parseAxisParam(s,n.shape),u=l,c=I.getAxesPermutation(u,i),p=c!=null,m=a.shouldExecuteOnCPU([n]),f=[],d=n;if(p){if(m){let _=a.texData.get(d.dataId).values,C=new Array(i);for(let $=0;$<C.length;$++)C[$]=n.shape[c[$]];let A=tc(_,n.shape,n.dtype,c,C);d=a.makeTensorInfo(C,n.dtype);let D=a.texData.get(d.dataId);D.values=A}else d=Ml(n,c,a);f.push(d),u=I.getInnerMostAxes(u.length,i)}I.assertAxesAreInnerMostDims("sum",u,i);let[h,g]=I.computeOutAndReduceShapes(d.shape,u),x=h;o&&(x=I.expandShapeToKeepDim(h,l));let b=NO(d,g,x,a);for(let w of f)a.disposeIntermediateTensorInfo(w);return b}};function UZ(r){let{inputs:e,backend:t,attrs:n}=r,{x:o}=e,{axis:s,keepDims:a}=n,i=o.shape.length,l=y.parseAxisParam(s,o.shape),u=l,c=I.getAxesPermutation(u,i),p=o;c!=null&&(p=Ft({inputs:{x:o},backend:t,attrs:{perm:c}}),u=I.getInnerMostAxes(u.length,o.shape.length)),I.assertAxesAreInnerMostDims("min",u,i);let[m,f]=I.computeOutAndReduceShapes(p.shape,u),d=y.sizeFromShape(f),h=le({inputs:{x:p},backend:t,attrs:{shape:[-1,d]}}),g=Ln(h,h.dtype,"min",t),x;if(a){let b=I.expandShapeToKeepDim(m,l);x=le({inputs:{x:g},backend:t,attrs:{shape:b}})}else x=le({inputs:{x:g},backend:t,attrs:{shape:m}});return t.disposeIntermediateTensorInfo(h),t.disposeIntermediateTensorInfo(g),c!=null&&t.disposeIntermediateTensorInfo(p),x}var EO={kernelName:es,backendName:"webgl",kernelFunc:UZ};var qZ=Yx+`
return min(a, b);
`,HZ=`
vec4 result = vec4(min(a, b));
vec4 isNaN = min(vec4(isnan(a)) + vec4(isnan(b)), vec4(1.0));
`+Ol+`
return result;
`,KZ=it({opSnippet:qZ,packedOpSnippet:HZ,cpuKernelImpl:z$}),AO={kernelName:ts,backendName:"webgl",kernelFunc:KZ};var H0=class{constructor(e,t,n){this.variableNames=["x"],this.outputShape=t.map((c,p)=>c[0]+e[p]+c[1]);let o=e.length,s=Ge(o),a=t.map(c=>c[0]).join(","),i=t.map((c,p)=>c[0]+e[p]).join(","),l=["coords[0]","coords[1]","coords[2]","coords[3]"].slice(0,o),u=n==="reflect"?0:1;if(o===1){this.userCode=`
int start = ${a};
int end = ${i};
void main() {
int outC = getOutputCoords();
if (outC < start) {
outC = start * 2 - outC - ${u};
} else if(outC >= end) {
outC = (end - 1) * 2 - outC + ${u};
}
setOutput(getX(outC - start));
}
`;return}this.userCode=`
${s} start = ${s}(${a});
${s} end = ${s}(${i});
void main() {
${s} outC = getOutputCoords();
for (int i = 0; i < ${o}; i++) {
if (outC[i] < start[i]) {
outC[i] = start[i] * 2 - outC[i] - ${u};
} else if(outC[i] >= end[i]) {
outC[i] = (end[i] - 1) * 2 - outC[i] + ${u};
}
}
${s} coords = outC - start;
setOutput(getX(${l}));
2021-06-04 19:51:01 +02:00
}
`}};var K0=class{constructor(e,t,n){this.variableNames=["x"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=t.map((d,h)=>d[0]+e[h]+d[1]);let o=e.length,s=Ge(o),a=t.map(d=>d[0]).join(","),i=t.map((d,h)=>d[0]+e[h]).join(","),l=Xt("rc",o),u=Xt("source",o),c=`${l[o-1]} < ${this.outputShape[o-1]}`,p=o===1?"source":`vec2(${u.slice(-2).join()})`,m=n==="reflect"?0:1,f="";if(o===1){let d=`
${s} source = rc;
if (source < start) {
source = start * 2 - source - ${m};
} else if (source >= end) {
source = (end - 1) * 2 - source + ${m};
}
source -= start;
`;f=`
${s} rc = outputLoc;
${d}
result[0] = getChannel(getX(${u.join()}), ${p});
${l[o-1]} += 1;
if(${c}) {
${d}
result[1] = getChannel(getX(${u.join()}), ${p});
}
`}else{let d=`
${s} source = rc;
${s} lt = ${s}(lessThan(source, start));
${s} gte = ${s}(greaterThanEqual(source, end));
${s} orig = 1 - (lt + gte);
source = orig * source +
lt * (start * 2 - source - ${m}) +
gte * ((end - 1) * 2 - source + ${m});
source -= start;
`;f=`
${s} rc = outputLoc;
${d}
result[0] = getChannel(getX(${u.join()}), ${p});
${l[o-1]} += 1;
if(${c}) {
${d}
result[1] = getChannel(getX(${u.join()}), ${p});
}
rc = outputLoc;
${l[o-2]} += 1;
if(${l[o-2]} < ${this.outputShape[o-2]}) {
${d}
result[2] = getChannel(getX(${u.join()}), ${p});
${l[o-1]} += 1;
if(${c}) {
${d}
result[3] = getChannel(getX(${u.join()}), ${p});
}
}
`}this.userCode=`
const ${s} start = ${s}(${a});
const ${s} end = ${s}(${i});
2021-06-04 15:20:59 +02:00
void main() {
${s} outputLoc = getOutputCoords();
vec4 result = vec4(0.);
${f}
setOutput(result);
}
`}};var XZ=({inputs:r,backend:e,attrs:t})=>{let{x:n}=r,{paddings:o,mode:s}=t,a=W().getBool("WEBGL_PACK_ARRAY_OPERATIONS")?new K0(n.shape,o,s):new H0(n.shape,o,s);return e.runWebGLProgram(a,[n],n.dtype)},DO={kernelName:rs,backendName:"webgl",kernelFunc:XZ};var YZ=`if (b == 0.0) return NAN;
return mod(a, b);`,ZZ=`
vec4 result = mod(a, b);
vec4 isNaN = vec4(equal(b, vec4(0.0)));
`+Ol+`
return result;
`,JZ=it({opSnippet:YZ,packedOpSnippet:ZZ}),$O={kernelName:sa,backendName:"webgl",kernelFunc:JZ};var X0=class{constructor(e,t,n){this.variableNames=["probs"],this.outputShape=[e,n],this.userCode=`
uniform float seed;
2021-06-04 15:20:59 +02:00
void main() {
ivec2 coords = getOutputCoords();
int batch = coords[0];
2021-06-04 15:20:59 +02:00
float r = random(seed);
float cdf = 0.0;
2021-06-04 15:20:59 +02:00
for (int i = 0; i < ${t-1}; i++) {
cdf += getProbs(batch, i);
2021-06-04 15:20:59 +02:00
if (r < cdf) {
setOutput(float(i));
return;
}
}
2021-06-04 15:20:59 +02:00
// If no other event happened, last event happened.
setOutput(float(${t-1}));
2021-06-03 15:53:11 +02:00
}
`}getCustomSetupFunc(e){return(t,n)=>{this.seedLoc==null&&(this.seedLoc=t.getUniformLocation(n,"seed")),t.gl.uniform1f(this.seedLoc,e)}}};var QZ=`
if (a == b) {
return 1.0;
};
return a / b;`,eJ=`
// vec4 one = vec4(equal(a, b));
// return one + (vec4(1.0) - one) * a / b;
vec4 result = a / b;
if(a.x == b.x) {
result.x = 1.;
2021-06-04 19:51:01 +02:00
}
if(a.y == b.y) {
result.y = 1.;
2021-06-04 19:51:01 +02:00
}
if(a.z == b.z) {
result.z = 1.;
2021-06-04 19:51:01 +02:00
}
if(a.w == b.w) {
result.w = 1.;
2021-06-04 19:51:01 +02:00
}
return result;
`,Y0=it({opSnippet:QZ,packedOpSnippet:eJ,checkOutOfBounds:!0}),RO={kernelName:Go,backendName:"webgl",kernelFunc:Y0};var FO="return a - b;",Z0=it({opSnippet:FO,packedOpSnippet:FO,supportsComplex:!0,cpuKernelImpl:Q$}),OO={kernelName:ws,backendName:"webgl",kernelFunc:Z0};function J0(r){let{inputs:e,backend:t,attrs:n}=r,{logits:o}=e,{dim:s}=n,a=y.parseAxisParam([s],o.shape),i=j0({inputs:{x:o},backend:t,attrs:{reductionIndices:a,keepDims:!1}}),l=I.expandShapeToKeepDim(i.shape,a),u=le({inputs:{x:i},backend:t,attrs:{shape:l}}),c=Z0({inputs:{a:o,b:u},backend:t}),p=F0({inputs:{x:c},backend:t}),m=nc({inputs:{x:p},backend:t,attrs:{axis:a,keepDims:!1}}),f=le({inputs:{x:m},backend:t,attrs:{shape:l}}),d=Y0({inputs:{a:p,b:f},backend:t});return t.disposeIntermediateTensorInfo(i),t.disposeIntermediateTensorInfo(u),t.disposeIntermediateTensorInfo(c),t.disposeIntermediateTensorInfo(p),t.disposeIntermediateTensorInfo(m),t.disposeIntermediateTensorInfo(f),d}var PO={kernelName:ys,backendName:"webgl",kernelFunc:J0};function tJ(r){let{inputs:e,backend:t,attrs:n}=r,{logits:o}=e,{numSamples:s,seed:a,normalized:i}=n,l=i?o:J0({inputs:{logits:o},backend:t,attrs:{dim:o.shape.length-1}}),u=l.shape[0],c=l.shape[1],p=new X0(u,c,s),m=p.getCustomSetupFunc(a),f=t.runWebGLProgram(p,[l],"int32",m);return i||t.disposeIntermediateTensorInfo(l),f}var MO={kernelName:op,backendName:"webgl",kernelFunc:tJ};var LO="return -x;";function rJ(r){let{inputs:e,backend:t}=r,{x:n}=e;if(t.shouldExecuteOnCPU([n])){let s=t.texData.get(n.dataId),[a,i]=V$(s.values,n.shape,n.dtype);return t.makeTensorInfo(i,n.dtype,a)}let o;return W().getBool("WEBGL_PACK_UNARY_OPERATIONS")?o=new Ls(n.shape,LO):o=new vn(n.shape,LO),t.runWebGLProgram(o,[n],n.dtype)}var zO={kernelName:ri,backendName:"webgl",kernelFunc:rJ};var nJ=zr.nonMaxSuppressionV3Impl;function oJ(r){I.warn("tf.nonMaxSuppression() in webgl locks the UI thread. Call tf.nonMaxSuppressionAsync() instead");let{inputs:e,backend:t,attrs:n}=r,{boxes:o,scores:s}=e,{maxOutputSize:a,iouThreshold:i,scoreThreshold:l}=n,u=t.readSync(o.dataId),c=t.readSync(s.dataId),{selectedIndices:p}=nJ(u,c,a,i,l);return t.makeTensorInfo([p.length],"int32",new Int32Array(p))}var BO={kernelName:aa,backendName:"webgl",kernelFunc:oJ};var sJ=zr.nonMaxSuppressionV4Impl;function iJ(r){I.warn("tf.nonMaxSuppression() in webgl locks the UI thread. Call tf.nonMaxSuppressionAsync() instead");let{inputs:e,backend:t,attrs:n}=r,{boxes:o,scores:s}=e,{maxOutputSize:a,iouThreshold:i,scoreThreshold:l,padToMaxOutputSize:u}=n,c=t.readSync(o.dataId),p=t.readSync(s.dataId),{selectedIndices:m,validOutputs:f}=sJ(c,p,a,i,l,u);return[t.makeTensorInfo([m.length],"int32",new Int32Array(m)),t.makeTensorInfo([],"int32",new Int32Array([f]))]}var VO={kernelName:la,backendName:"webgl",kernelFunc:iJ};var aJ=zr.nonMaxSuppressionV5Impl;function lJ(r){I.warn("tf.nonMaxSuppression() in webgl locks the UI thread. Call tf.nonMaxSuppressionAsync() instead");let{inputs:e,backend:t,attrs:n}=r,{boxes:o,scores:s}=e,{maxOutputSize:a,iouThreshold:i,scoreThreshold:l,softNmsSigma:u}=n,c=t.readSync(o.dataId),p=t.readSync(s.dataId),m=a,f=i,d=l,h=u,{selectedIndices:g,selectedScores:x}=aJ(c,p,m,f,d,h);return[t.makeTensorInfo([g.length],"int32",new Int32Array(g)),t.makeTensorInfo([x.length],"float32",new Float32Array(x))]}var GO={kernelName:ua,backendName:"webgl",kernelFunc:lJ};var Q0=class{constructor(e,t,n,o){this.variableNames=["indices"],this.outputShape=[e,t],this.userCode=`
void main() {
ivec2 coords = getOutputCoords();
int index = round(getIndices(coords.x));
setOutput(mix(float(${o}), float(${n}),
float(index == coords.y)));
2021-06-04 19:51:01 +02:00
}
`}};var uJ=r=>{let{inputs:e,backend:t,attrs:n}=r,{indices:o}=e,{depth:s,onValue:a,offValue:i}=n,l=y.sizeFromShape(o.shape),u=new Q0(l,s,a,i),c=le({inputs:{x:o},backend:t,attrs:{shape:[l]}}),p=t.runWebGLProgram(u,[c],o.dtype);t.disposeIntermediateTensorInfo(c);let m=[...o.shape,s],f=le({inputs:{x:p},backend:t,attrs:{shape:m}});return t.disposeIntermediateTensorInfo(p),f},WO={kernelName:os,backendName:"webgl",kernelFunc:uJ};function xd(r){let{inputs:e,backend:t}=r,{x:n}=e;if(n.dtype==="complex64"){let o=qa({inputs:{input:n},backend:t}),s=xd({inputs:{x:o},backend:t}),a=ic({inputs:{input:n},backend:t}),i=xd({inputs:{x:a},backend:t}),l=Cn({inputs:{real:s,imag:i},backend:t});return t.disposeIntermediateTensorInfo(o),t.disposeIntermediateTensorInfo(s),t.disposeIntermediateTensorInfo(a),t.disposeIntermediateTensorInfo(i),l}else return gd({attrs:{shape:n.shape,dtype:n.dtype,value:n.dtype==="string"?"":0},backend:t})}var jO={kernelName:ci,backendName:"webgl",kernelFunc:xd};function UO(r){let{inputs:e,backend:t}=r,{x:n}=e;if(n.dtype==="string")throw new Error("onesLike is not supported under string dtype");if(n.dtype==="complex64"){let o=qa({inputs:{input:n},backend:t}),s=UO({inputs:{x:o},backend:t}),a=ic({inputs:{input:n},backend:t}),i=xd({inputs:{x:a},backend:t}),l=Cn({inputs:{real:s,imag:i},backend:t});return t.disposeIntermediateTensorInfo(o),t.disposeIntermediateTensorInfo(s),t.disposeIntermediateTensorInfo(a),t.disposeIntermediateTensorInfo(i),l}else return gd({attrs:{shape:n.shape,dtype:n.dtype,value:1},backend:t})}var qO={kernelName:ni,backendName:"webgl",kernelFunc:UO};function cJ(r){let{inputs:e,backend:t,attrs:n}=r,{axis:o}=n;if(e.length===1)return iy({inputs:{input:e[0]},backend:t,attrs:{dim:o}});let s=e[0].shape,a=e[0].dtype;e.forEach(c=>{y.assertShapesMatch(s,c.shape,"All tensors passed to stack must have matching shapes"),y.assert(a===c.dtype,()=>"All tensors passed to stack must have matching dtypes")});let i=[],l=e.map(c=>{let p=iy({inputs:{input:c},backend:t,attrs:{dim:o}});return i.push(p),p}),u=_0({inputs:l,backend:t,attrs:{axis:o}});return i.forEach(c=>t.disposeIntermediateTensorInfo(c)),u}var HO={kernelName:oi,backendName:"webgl",kernelFunc:cJ};var eC=class{constructor(e,t,n){this.variableNames=["x"],this.outputShape=t.map((u,c)=>u[0]+e[c]+u[1]);let o=e.length,s=Ge(o),a=t.map(u=>u[0]).join(","),i=t.map((u,c)=>u[0]+e[c]).join(","),l=["coords[0]","coords[1]","coords[2]","coords[3]"].slice(0,o);if(o===1){this.userCode=`
int start = ${a};
int end = ${i};
uniform float value;
2021-06-04 15:20:59 +02:00
void main() {
int outC = getOutputCoords();
if (outC < start || outC >= end) {
setOutput(value);
} else {
setOutput(getX(outC - start));
}
2021-06-04 15:20:59 +02:00
}
`;return}this.userCode=`
${s} start = ${s}(${a});
${s} end = ${s}(${i});
uniform float value;
void main() {
${s} outC = getOutputCoords();
if (any(lessThan(outC, start)) || any(greaterThanEqual(outC, end))) {
setOutput(value);
} else {
${s} coords = outC - start;
setOutput(getX(${l}));
2021-06-04 19:51:01 +02:00
}
}
`}getCustomSetupFunc(e){return(t,n)=>{this.valueLoc==null&&(this.valueLoc=t.getUniformLocationNoThrow(n,"value")),t.gl.uniform1f(this.valueLoc,e)}}};var tC=class{constructor(e,t,n){this.variableNames=["x"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=t.map((h,g)=>h[0]+e[g]+h[1]);let o=e.length,s=Ge(o),a=t.map(h=>h[0]).join(","),i=t.map((h,g)=>h[0]+e[g]).join(","),l=Xt("rc",o),u=Xt("source",o),c=`${l[o-1]} < ${this.outputShape[o-1]}`,p=o===1?"source":`vec2(${u.slice(-2).join()})`,m=[`${s} rc = outputLoc;`,`${l[o-1]} += 1;
if(${c}) {
`,o===1?"":`}
rc = outputLoc;
${l[o-2]} += 1;
if(${l[o-2]} < ${this.outputShape[o-2]}) {`,o===1?"":` ${l[o-1]} += 1;
if(${c}) {`],f=o===1?"rc < start || rc >= end":"any(lessThan(rc, start)) || any(greaterThanEqual(rc, end))",d="";for(let h=0,g=o===1?2:4;h<g;h++)d+=`
${m[h]}
if (${f}) {
result[${h}] = float(value);
} else {
${s} source = rc - start;
result[${h}] = getChannel(getX(${u.join()}), ${p});
2021-06-04 19:51:01 +02:00
}
`;d+=o===1?"} ":"}}",this.userCode=`
const ${s} start = ${s}(${a});
const ${s} end = ${s}(${i});
uniform float value;
void main() {
${s} outputLoc = getOutputCoords();
vec4 result = vec4(0.);
${d}
setOutput(result);
2021-06-04 19:51:01 +02:00
}
`}getCustomSetupFunc(e){return(t,n)=>{this.valueLoc==null&&(this.valueLoc=t.getUniformLocationNoThrow(n,"value")),t.gl.uniform1f(this.valueLoc,e)}}};var rC=r=>{let{inputs:e,backend:t,attrs:n}=r,{x:o}=e,{paddings:s,constantValue:a}=n,i=W().getBool("WEBGL_PACK_ARRAY_OPERATIONS")?new tC(o.shape,s,a):new eC(o.shape,s,a),l=i.getCustomSetupFunc(a);return t.runWebGLProgram(i,[o],o.dtype,l)},KO={kernelName:ss,backendName:"webgl",kernelFunc:rC};var pJ=`
if(a < 0.0 && floor(b) < b){
return NAN;
2021-06-04 19:51:01 +02:00
}
if (b == 0.0) {
return 1.0;
2021-06-04 19:51:01 +02:00
}
return (round(mod(b, 2.0)) != 1) ?
pow(abs(a), b) : sign(a) * pow(abs(a), b);
`,mJ=`
// isModRound1 has 1 for components with round(mod(b, 2.0)) == 1, 0 otherwise.
vec4 isModRound1 = vec4(equal(round(mod(b, 2.0)), ivec4(1)));
vec4 multiplier = sign(a) * isModRound1 + (vec4(1.0) - isModRound1);
vec4 result = multiplier * pow(abs(a), b);
2021-06-04 15:20:59 +02:00
// Ensure that a^0 = 1, including 0^0 = 1 as this correspond to TF and JS
bvec4 isExpZero = equal(b, vec4(0.0));
result.r = isExpZero.r ? 1.0 : result.r;
result.g = isExpZero.g ? 1.0 : result.g;
result.b = isExpZero.b ? 1.0 : result.b;
result.a = isExpZero.a ? 1.0 : result.a;
2021-06-02 19:39:02 +02:00
vec4 isNaN = vec4(lessThan(a, vec4(0.0))) * vec4(lessThan(floor(b), b));
`+Ol+`
return result;
`,fJ=it({opSnippet:pJ,packedOpSnippet:mJ}),XO={kernelName:is,backendName:"webgl",kernelFunc:fJ};function dJ(r){let{inputs:e,backend:t,attrs:n}=r,{x:o}=e,{axis:s,keepDims:a}=n,i=o.shape.length,l=[],u=y.parseAxisParam(s,o.shape),c=u,p=I.getAxesPermutation(c,i),m=o;p!=null&&(m=Ft({inputs:{x:o},backend:t,attrs:{perm:p}}),c=I.getInnerMostAxes(c.length,i),l.push(m)),I.assertAxesAreInnerMostDims("prod",c,i);let f;if(t.shouldExecuteOnCPU([m])){let d=t.texData.get(m.dataId).values,{outVals:h,outShape:g,outDtype:x}=W$(m.shape,m.dtype,d,c);f=t.makeTensorInfo(g,x,h)}else{let[d,h]=I.computeOutAndReduceShapes(m.shape,c),g=y.sizeFromShape(h),x=le({inputs:{x:m},backend:t,attrs:{shape:[-1,g]}}),b=du(o.dtype),w=Ln(x,b,"prod",t);f=le({inputs:{x:w},backend:t,attrs:{shape:d}}),l.push(x),l.push(w)}if(a){l.push(f);let d=I.expandShapeToKeepDim(f.shape,u);f=le({inputs:{x:f},backend:t,attrs:{shape:d}})}return l.forEach(d=>t.disposeIntermediateTensorInfo(d)),f}var YO={kernelName:ca,backendName:"webgl",kernelFunc:dJ};var nC=r=>{let{backend:e,attrs:t}=r,{start:n,stop:o,step:s,dtype:a}=t,i=j$(n,o,s,a);return e.makeTensorInfo([i.length],a,i)},ZO={kernelName:gl,backendName:"webgl",kernelFunc:nC};var hJ="return 1.0 / x;",gJ=ke({opSnippet:hJ}),JO={kernelName:pa,backendName:"webgl",kernelFunc:gJ};var xJ=kr+`
return (x < 0.0) ? 0.0 : x;
`,yJ=`
vec4 result = x * vec4(greaterThanEqual(x, vec4(0.0)));
bvec4 isNaN = isnan(x);
2021-06-04 19:51:01 +02:00
result.r = isNaN.r ? x.r : result.r;
result.g = isNaN.g ? x.g : result.g;
result.b = isNaN.b ? x.b : result.b;
result.a = isNaN.a ? x.a : result.a;
2021-06-04 19:51:01 +02:00
return result;
`,bJ=ke({opSnippet:xJ,packedOpSnippet:yJ}),QO={kernelName:ls,backendName:"webgl",kernelFunc:bJ};var wJ=kr+`
return (x < 0.0) ? 0.0 : min(6.0, x);
`,_J=`
vec4 result = min(x, vec4(6.)) * vec4(greaterThanEqual(x, vec4(0.0)));
bvec4 isNaN = isnan(x);
result.r = isNaN.r ? x.r : result.r;
result.g = isNaN.g ? x.g : result.g;
result.b = isNaN.b ? x.b : result.b;
result.a = isNaN.a ? x.a : result.a;
return result;
`,kJ=ke({opSnippet:wJ,packedOpSnippet:_J}),eP={kernelName:cs,backendName:"webgl",kernelFunc:kJ};var oC=class{constructor(e,t,n,o,s){this.variableNames=["A"],this.outputShape=[];let[a,i,l,u]=e;this.outputShape=[a,t,n,u];let c=[o&&t>1?i-1:i,o&&n>1?l-1:l],p=[o&&t>1?t-1:t,o&&n>1?n-1:n],m;s?m="(vec2(yRC) + vec2(0.5)) * effectiveInputOverOutputRatioRC - vec2(0.5)":m="vec2(yRC) * effectiveInputOverOutputRatioRC",this.userCode=`
const vec2 effectiveInputOverOutputRatioRC = vec2(
${c[0]/p[0]},
${c[1]/p[1]});
const vec2 inputShapeRC = vec2(${i}.0, ${l}.0);
void main() {
ivec4 coords = getOutputCoords();
int b = coords[0];
int d = coords[3];
ivec2 yRC = coords.yz;
// Fractional source index.
vec2 sourceFracIndexRC = ${m};
// Compute the four integer indices.
ivec2 sourceFloorRC = ivec2(max(sourceFracIndexRC, vec2(0.0)));
ivec2 sourceCeilRC = ivec2(
min(inputShapeRC - 1.0, ceil(sourceFracIndexRC)));
float topLeft = getA(b, sourceFloorRC.x, sourceFloorRC.y, d);
float bottomLeft = getA(b, sourceCeilRC.x, sourceFloorRC.y, d);
float topRight = getA(b, sourceFloorRC.x, sourceCeilRC.y, d);
float bottomRight = getA(b, sourceCeilRC.x, sourceCeilRC.y, d);
vec2 fracRC = sourceFracIndexRC - vec2(sourceFloorRC);
float top = topLeft + (topRight - topLeft) * fracRC.y;
float bottom = bottomLeft + (bottomRight - bottomLeft) * fracRC.y;
float newValue = top + (bottom - top) * fracRC.x;
setOutput(newValue);
2021-06-04 19:51:01 +02:00
}
`}};var sC=class{constructor(e,t,n,o,s){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=[];let[a,i,l,u]=e;this.outputShape=[a,t,n,u];let c=[o&&t>1?i-1:i,o&&n>1?l-1:l],p=[o&&t>1?t-1:t,o&&n>1?n-1:n],m;s?m="(vec3(yRC) + vec3(0.5)) * effectiveInputOverOutputRatioRC - vec3(0.5)":m="vec3(yRC) * effectiveInputOverOutputRatioRC",this.userCode=`
const vec3 effectiveInputOverOutputRatioRC = vec3(
${c[0]/p[0]},
${c[1]/p[1]},
${c[1]/p[1]});
const vec3 inputShapeRC = vec3(${i}.0, ${l}.0,
${l}.0);
float getAValue(int b, int r, int c, int d) {
return getChannel(getA(b, r, c, d), vec2(c, d));
2021-06-04 19:51:01 +02:00
}
void main() {
ivec4 coords = getOutputCoords();
int b = coords[0];
int d = coords[3];
// Calculate values for next column in yRC.z.
ivec3 yRC = coords.yzz + ivec3(0, 0, 1);
// Fractional source index.
vec3 sourceFracIndexRC = ${m};
// Compute the four integer indices.
ivec3 sourceFloorRC = ivec3(max(sourceFracIndexRC, vec3(0.0)));
ivec3 sourceCeilRC = ivec3(
min(inputShapeRC - 1.0, ceil(sourceFracIndexRC)));
// Should we calculate next column and row elements in 2x2 packed cell.
bool hasNextCol = d < ${u-1};
bool hasNextRow = coords.z < ${n-1};
// In parallel, construct four corners for all four components in
// packed 2x2 cell.
vec4 topLeft = vec4(
getAValue(b, sourceFloorRC.x, sourceFloorRC.y, d),
hasNextCol ? getAValue(b, sourceFloorRC.x, sourceFloorRC.y, d + 1)
: 0.0,
hasNextRow ? getAValue(b, sourceFloorRC.x, sourceFloorRC.z, d)
: 0.0,
(hasNextRow && hasNextCol) ?
getAValue(b, sourceFloorRC.x, sourceFloorRC.z, d + 1) : 0.0);
vec4 bottomLeft = vec4(
getAValue(b, sourceCeilRC.x, sourceFloorRC.y, d),
hasNextCol ? getAValue(b, sourceCeilRC.x, sourceFloorRC.y, d + 1)
: 0.0,
hasNextRow ? getAValue(b, sourceCeilRC.x, sourceFloorRC.z, d)
: 0.0,
(hasNextRow && hasNextCol) ?
getAValue(b, sourceCeilRC.x, sourceFloorRC.z, d + 1) : 0.0);
vec4 topRight = vec4(
getAValue(b, sourceFloorRC.x, sourceCeilRC.y, d),
hasNextCol ? getAValue(b, sourceFloorRC.x, sourceCeilRC.y, d + 1)
: 0.0,
hasNextRow ? getAValue(b, sourceFloorRC.x, sourceCeilRC.z, d)
: 0.0,
(hasNextRow && hasNextCol) ?
getAValue(b, sourceFloorRC.x, sourceCeilRC.z, d + 1) : 0.0);
vec4 bottomRight = vec4(
getAValue(b, sourceCeilRC.x, sourceCeilRC.y, d),
hasNextCol ? getAValue(b, sourceCeilRC.x, sourceCeilRC.y, d + 1)
: 0.0,
hasNextRow ? getAValue(b, sourceCeilRC.x, sourceCeilRC.z, d)
: 0.0,
(hasNextRow && hasNextCol) ?
getAValue(b, sourceCeilRC.x, sourceCeilRC.z, d + 1) : 0.0);
vec3 fracRC = sourceFracIndexRC - vec3(sourceFloorRC);
vec4 top = mix(topLeft, topRight, fracRC.yyzz);
vec4 bottom = mix(bottomLeft, bottomRight, fracRC.yyzz);
vec4 newValue = mix(top, bottom, fracRC.x);
setOutput(newValue);
2021-06-04 19:51:01 +02:00
}
`}};function vJ(r){let{inputs:e,backend:t,attrs:n}=r,{images:o}=e,{alignCorners:s,halfPixelCenters:a,size:i}=n,[l,u]=i,c=W().getBool("WEBGL_PACK_IMAGE_OPERATIONS")?new sC(o.shape,l,u,s,a):new oC(o.shape,l,u,s,a);return t.runWebGLProgram(c,[o],"float32")}var tP={kernelName:us,backendName:"webgl",kernelFunc:vJ};var iC=class{constructor(e,t,n){this.variableNames=["dy"],this.outputShape=[],this.outputShape=t;let[,o,s]=t,[,a,i]=e,l=[n&&a>1?o-1:o,n&&i>1?s-1:s],u=[n&&a>1?a-1:a,n&&i>1?i-1:i],c=l[0]/u[0],p=l[1]/u[1],m=1/c,f=1/p,d=Math.ceil(m)*2+2,h=Math.ceil(f)*2+2;this.userCode=`
void main() {
ivec4 coords = getOutputCoords();
int b = coords[0];
int d = coords[3];
int r = coords[1];
int c = coords[2];
2021-06-04 19:51:01 +02:00
float accumulator = 0.0;
2021-06-04 19:51:01 +02:00
const float heightScale = float(${c});
const float widthScale = float(${p});
2021-06-04 19:51:01 +02:00
const float invHeightScale = float(${m});
const float invWidthScale = float(${f});
2021-06-04 19:51:01 +02:00
const int winHeight = int(${d});
const int winWidth = int(${h});
2021-06-04 19:51:01 +02:00
// Compute bounds for where in dy we will look
float startRLerp = floor(float(r) * invHeightScale);
int startDyR = int(startRLerp - float(winHeight / 2));
2021-06-04 19:51:01 +02:00
float startCLerp = floor(float(c) * invWidthScale);
int startDyC = int(startCLerp - float(winWidth / 2));
2021-06-04 19:51:01 +02:00
// Loop over dy
for (int dyROffset = 0; dyROffset < winHeight; dyROffset++) {
int dyR = dyROffset + startDyR;
2021-06-04 19:51:01 +02:00
// Guard against the window exceeding the bounds of dy
if (dyR < 0 || dyR >= ${a}) {
continue;
2021-06-04 19:51:01 +02:00
}
for (int dyCOffset = 0; dyCOffset < winWidth; dyCOffset++) {
int dyC = dyCOffset + startDyC;
// Guard against the window exceeding the bounds of dy
if (dyC < 0 || dyC >= ${i}) {
continue;
}
float dxR = float(dyR) * heightScale;
int topDxRIndex = int(floor(dxR));
int bottomDxRIndex = int(min(ceil(dxR), ${o-1}.0));
float dxRLerp = dxR - float(topDxRIndex);
float inverseDxRLerp = 1.0 - dxRLerp;
float dxC = float(dyC) * widthScale;
int leftDxCIndex = int(floor(dxC));
int rightDxCIndex = int(min(ceil(dxC), ${s-1}.0));
float dxCLerp = dxC - float(leftDxCIndex);
float inverseDxCLerp = 1.0 - dxCLerp;
if (r == topDxRIndex && c == leftDxCIndex) {
// topLeft
accumulator +=
getDy(b, dyR, dyC, d) * inverseDxRLerp * inverseDxCLerp;
}
if (r == topDxRIndex && c == rightDxCIndex) {
// topRight
accumulator += getDy(b, dyR, dyC, d) * inverseDxRLerp * dxCLerp;
}
if (r == bottomDxRIndex && c == leftDxCIndex) {
// bottomLeft
accumulator += getDy(b, dyR, dyC, d) * dxRLerp * inverseDxCLerp;
}
if (r == bottomDxRIndex && c == rightDxCIndex) {
// bottomRight
accumulator += getDy(b, dyR, dyC, d) * dxRLerp * dxCLerp;
}
2021-06-04 19:51:01 +02:00
}
}
// End loop over dy
setOutput(accumulator);
2021-06-04 19:51:01 +02:00
}
`}};function CJ(r){let{inputs:e,backend:t,attrs:n}=r,{images:o,dy:s}=e,{alignCorners:a}=n,i=new iC(s.shape,o.shape,a);return t.runWebGLProgram(i,[s],s.dtype)}var rP={kernelName:ap,backendName:"webgl",kernelFunc:CJ};var aC=class{constructor(e,t,n,o,s){this.variableNames=["A"],this.outputShape=[];let[a,i,l,u]=e;this.outputShape=[a,t,n,u];let c=[o&&t>1?i-1:i,o&&n>1?l-1:l],p=[o&&t>1?t-1:t,o&&n>1?n-1:n],m=o?"0.5":"0.0",f;s?f="max((vec2(yRC) + vec2(0.5)) * effectiveInputOverOutputRatioRC, vec2(0.0))":f="vec2(yRC) * effectiveInputOverOutputRatioRC",this.userCode=`
const vec2 effectiveInputOverOutputRatioRC = vec2(
${c[0]/p[0]},
${c[1]/p[1]});
const vec2 inputShapeRC = vec2(${i}.0, ${l}.0);
2021-06-04 19:51:01 +02:00
void main() {
ivec4 coords = getOutputCoords();
int b = coords[0];
int d = coords[3];
ivec2 yRC = coords.yz;
2021-06-04 19:51:01 +02:00
// Fractional source index.
vec2 sourceFracIndexRC = ${f};
2021-06-04 19:51:01 +02:00
// Compute the coordinators of nearest neighbor point.
ivec2 sourceNearestRC = ivec2(
min(inputShapeRC - 1.0, floor(sourceFracIndexRC + ${m})));
float newValue = getA(b, sourceNearestRC.x, sourceNearestRC.y, d);
setOutput(newValue);
2021-06-03 15:41:53 +02:00
}
`}};var lC=class{constructor(e,t,n,o,s){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=[];let[a,i,l,u]=e;this.outputShape=[a,t,n,u];let c=[o&&t>1?i-1:i,o&&n>1?l-1:l],p=[o&&t>1?t-1:t,o&&n>1?n-1:n],m=o?"0.5":"0.0",f;s?f="max((vec3(yRC) + vec3(0.5)) * effectiveInputOverOutputRatioRC, vec3(0.0))":f="vec3(yRC) * effectiveInputOverOutputRatioRC",this.userCode=`
const vec3 effectiveInputOverOutputRatioRC = vec3(
${c[0]/p[0]},
${c[1]/p[1]},
${c[1]/p[1]});
const vec3 inputShapeRC = vec3(${i}.0, ${l}.0,
${l}.0);
2021-06-03 15:41:53 +02:00
float getAValue(int b, int r, int c, int d) {
return getChannel(getA(b, r, c, d), vec2(c, d));
2021-06-04 15:20:59 +02:00
}
void main() {
ivec4 coords = getOutputCoords();
int b = coords[0];
int d = coords[3];
// Calculate values for next column in yRC.z.
ivec3 yRC = coords.yzz + ivec3(0, 0, 1);
// Fractional source index.
vec3 sourceFracIndexRC = ${f};
// Compute the coordinators of nearest neighbor point.
ivec3 sourceNearestRC = ivec3(
min(inputShapeRC - 1.0, floor(sourceFracIndexRC + ${m})));
// Should we calculate next column and row elements in 2x2 packed cell.
bool hasNextCol = d < ${u-1};
bool hasNextRow = coords.z < ${n-1};
vec4 newValue = vec4(
getAValue(b, sourceNearestRC.x, sourceNearestRC.y, d),
hasNextCol ? getAValue(b, sourceNearestRC.x, sourceNearestRC.y, d + 1)
: 0.0,
hasNextRow ? getAValue(b, sourceNearestRC.x, sourceNearestRC.z, d)
: 0.0,
(hasNextRow && hasNextCol) ?
getAValue(b, sourceNearestRC.x, sourceNearestRC.z, d + 1) : 0.0);
setOutput(newValue);
}
`}};function IJ(r){let{inputs:e,backend:t,attrs:n}=r,{images:o}=e,{alignCorners:s,halfPixelCenters:a,size:i}=n,[l,u]=i,c=W().getBool("WEBGL_PACK_IMAGE_OPERATIONS")?new lC(o.shape,l,u,s,a):new aC(o.shape,l,u,s,a);return t.runWebGLProgram(c,[o],o.dtype)}var nP={kernelName:xl,backendName:"webgl",kernelFunc:IJ};var uC=class{constructor(e,t,n){this.variableNames=["dy"],this.outputShape=[],this.outputShape=t;let[,o,s]=t,[,a,i]=e,l=[n&&a>1?o-1:o,n&&i>1?s-1:s],u=[n&&a>1?a-1:a,n&&i>1?i-1:i],c=l[0]/u[0],p=l[1]/u[1],m=1/c,f=1/p,d=Math.ceil(m)*2+2,h=Math.ceil(f)*2+2;this.userCode=`
void main() {
ivec4 coords = getOutputCoords();
int b = coords[0];
int d = coords[3];
int r = coords[1];
int c = coords[2];
float accumulator = 0.0;
const float heightScale = float(${c});
const float widthScale = float(${p});
const float invHeightScale = float(${m});
const float invWidthScale = float(${f});
const int winHeight = int(${d});
const int winWidth = int(${h});
// Compute bounds for where in dy we will look
float startRLerp = floor(float(r) * invHeightScale);
int startDyR = int(floor(startRLerp - float(winHeight / 2)));
float startCLerp = floor(float(c) * invWidthScale);
int startDyC = int(floor(startCLerp - float(winWidth / 2)));
// Loop over dy
for (int dyROffset = 0; dyROffset < winHeight; dyROffset++) {
int dyR = dyROffset + startDyR;
// Guard against the window exceeding the bounds of dy
if (dyR < 0 || dyR >= ${a}) {
continue;
}
for (int dyCOffset = 0; dyCOffset < winWidth; dyCOffset++) {
int dyC = dyCOffset + startDyC;
// Guard against the window exceeding the bounds of dy
if (dyC < 0 || dyC >= ${i}) {
continue;
}
float sourceFracRow =
float(${l[0]}) *
(float(dyR) / float(${u[0]}));
float sourceFracCol =
float(${l[1]}) *
(float(dyC) / float(${u[1]}));
int sourceNearestRow = int(min(
float(int(${o}) - 1),
${n} ? float(round(sourceFracRow)) :
float(floor(sourceFracRow))));
int sourceNearestCol = int(min(
float(int(${s}) - 1),
${n} ? float(round(sourceFracCol)) :
float(floor(sourceFracCol))));
if (r == sourceNearestRow && c == sourceNearestCol) {
accumulator += getDy(b, dyR, dyC, d);
}
}
2021-04-28 14:58:21 +02:00
}
// End loop over dy
setOutput(accumulator);
2021-04-28 14:58:21 +02:00
}
`}};function SJ(r){let{inputs:e,backend:t,attrs:n}=r,{images:o,dy:s}=e,{alignCorners:a}=n,i=new uC(s.shape,o.shape,a);return t.runWebGLProgram(i,[s],s.dtype)}var oP={kernelName:ip,backendName:"webgl",kernelFunc:SJ};var cC=class{constructor(e,t){this.variableNames=["x"];let n=e.length;if(n>4)throw new Error(`WebGL backend: Reverse of rank-${n} tensor is not yet supported`);if(this.outputShape=e,n===1){this.userCode=`
void main() {
int coord = getOutputCoords();
setOutput(getX(${e[0]} - coord - 1));
}
`;return}let o=i=>t.indexOf(i)!==-1&&e[i]!==1?`${e[i]} - coords[${i}] - 1`:`coords[${i}]`,s=e.map((i,l)=>o(l)).join(","),a=Ge(n);this.userCode=`
void main() {
${a} coords = getOutputCoords();
setOutput(getX(${s}));
2021-04-28 14:58:21 +02:00
}
`}};var pC=class{constructor(e,t){this.variableNames=["x"],this.packedInputs=!0,this.packedOutput=!0;let n=e.length;if(n>4)throw new Error(`WebGL backend: Reverse of rank-${n} tensor is not yet supported`);this.outputShape=e;let o=Xt("rc",n),s=`${o[n-1]} + 1 < ${this.outputShape[n-1]}`,a=`${o[n-2]} + 1 < ${this.outputShape[n-2]}`,i=Ge(n);n===1?this.userCode=`
void main(){
int rc = getOutputCoords();
vec4 result = vec4(0.);
result.r = getChannel(getX(${e[0]} - rc - 1),
${e[0]} - rc - 1);
if(${s}){
result.g = getChannel(getX(${e[0]} - (rc + 1) - 1),
${e[0]} - (rc + 1) - 1);
}
setOutput(result);
}
`:this.userCode=`
void main() {
${i} rc = getOutputCoords();
vec4 result = vec4(0.);
result.r = ${l(o.slice())};
if(${s}){
result.g = ${u(o.slice())};
}
if(${a}) {
result.b = ${c(o.slice())};
if(${s}) {
result.a = ${p(o.slice())};
}
}
setOutput(result);
}
`;function l(d){return m(d)}function u(d){return d[n-1]="("+d[n-1]+" + 1)",m(d)}function c(d){return d[n-2]="("+d[n-2]+" + 1)",m(d)}function p(d){return d[n-1]="("+d[n-1]+" + 1)",d[n-2]="("+d[n-2]+" + 1)",m(d)}function m(d){let h=e.map((b,w)=>f(w,d)),g=h.join(","),x=h.slice(-2).join(",");return`getChannel(getX(${g}), vec2(${x}))`}function f(d,h){return t.indexOf(d)!==-1&&e[d]!==1?`${e[d]} - ${h[d]} - 1`:`${h[d]}`}}};function NJ(r){let{inputs:e,backend:t,attrs:n}=r,{x:o}=e,{dims:s}=n,a=o.shape.length,i=y.parseAxisParam(s,o.shape);if(a===0)return Yt({inputs:{x:o},backend:t});let l=W().getBool("WEBGL_PACK_ARRAY_OPERATIONS")?new pC(o.shape,i):new cC(o.shape,i);return t.runWebGLProgram(l,[o],o.dtype)}var sP={kernelName:ps,backendName:"webgl",kernelFunc:NJ};var mC=class{constructor(e,t){this.variableNames=["Image"],this.outputShape=[];let n=e[1],o=e[2];this.outputShape=e;let s="";typeof t=="number"?s=`float outputValue = ${t.toFixed(2)};`:s=`
vec3 fill = vec3(${t.join(",")});
float outputValue = fill[coords[3]];`,this.userCode=`
uniform vec4 params;
void main() {
ivec4 coords = getOutputCoords();
int x = coords[2];
int y = coords[1];
float coordXFloat = (float(x) - params[0]) * params[3] -
(float(y) - params[1]) * params[2];
float coordYFloat = (float(x) - params[0]) * params[2] +
(float(y) - params[1]) * params[3];
int coordX = int(round(coordXFloat + params[0]));
int coordY = int(round(coordYFloat + params[1]));
${s}
if(coordX >= 0 && coordX < ${o} && coordY >= 0 && coordY < ${n}) {
outputValue = getImage(coords[0], coordY, coordX, coords[3]);
}
setOutput(outputValue);
}
`}getCustomSetupFunc(e,t,n,o){return(s,a)=>{this.paramsLoc==null&&(this.paramsLoc=s.getUniformLocationNoThrow(a,"params")),s.gl.uniform4f(this.paramsLoc,e,t,n,o)}}};var iP={kernelName:wa,backendName:"webgl",kernelFunc:({inputs:r,attrs:e,backend:t})=>{let{image:n}=r,{radians:o,fillValue:s,center:a}=e,i=t,l=new mC(n.shape,s),[u,c]=I.getImageCenter(a,n.shape[1],n.shape[2]),p=l.getCustomSetupFunc(u,c,Math.sin(o),Math.cos(o));return i.runWebGLProgram(l,[n],n.dtype,p)}};var TJ=`
// OpenGL ES does not support round function.
// The algorithm is based on banker's rounding.
float base = floor(x);
if ((x - base) < 0.5) {
return floor(x);
} else if ((x - base) > 0.5) {
return ceil(x);
} else {
if (mod(base, 2.0) == 0.0) {
return base;
2021-04-28 14:55:26 +02:00
} else {
return base + 1.0;
2021-06-04 19:51:01 +02:00
}
}
`,EJ=ke({opSnippet:TJ}),aP={kernelName:ms,backendName:"webgl",kernelFunc:EJ};var AJ="return inversesqrt(x);",DJ=ke({opSnippet:AJ,cpuKernelImpl:U$}),lP={kernelName:fs,backendName:"webgl",kernelFunc:DJ};var yd=class{constructor(e,t,n,o,s,a,i=!0){this.variableNames=["updates","indices","defaultValue"],this.outputShape=a;let l=Ge(s.length),u=Ge(a.length),c="";n===1?c="i":n===2&&(c="i, j");let p=`getIndices(${c})`,m="";o===1?m="i":o===2&&(m="i, coords[1]");let f=`getUpdates(${m})`,d=t>1?"strides[j]":"strides";this.userCode=`
${l} strides = ${l}(${s});
void main() {
${u} coords = getOutputCoords();
float sum = 0.0;
bool found = false;
for (int i = 0; i < ${e}; i++) {
int flattenedIndex = 0;
for (int j = 0; j < ${t}; j++) {
int index = round(${p});
flattenedIndex += index * ${d};
2021-04-28 14:58:21 +02:00
}
if (flattenedIndex == coords[0]) {
sum += ${f};
found = true;
2021-04-28 14:58:21 +02:00
}
}
setOutput(mix(getDefaultValue(), sum, float(found)));
}
`}};function $J(r){let{inputs:e,backend:t,attrs:n}=r,{indices:o,updates:s}=e,{shape:a}=n,{sliceRank:i,numUpdates:l,sliceSize:u,strides:c,outputSize:p}=I.calculateShapes(s,o,a),m=[p/u,u];if(p===0)return t.makeTensorInfo(a,o.dtype);let f=le({inputs:{x:o},backend:t,attrs:{shape:[l,i]}}),d=le({inputs:{x:s},backend:t,attrs:{shape:[l,u]}}),h=t.makeTensorInfo([],"float32",new Float32Array([0])),g=new yd(l,i,f.shape.length,d.shape.length,c,m),x=t.runWebGLProgram(g,[d,f,h],d.dtype),b=le({inputs:{x},backend:t,attrs:{shape:a}});return t.disposeIntermediateTensorInfo(f),t.disposeIntermediateTensorInfo(d),t.disposeIntermediateTensorInfo(x),t.disposeIntermediateTensorInfo(h),b}var uP={kernelName:ma,backendName:"webgl",kernelFunc:$J};var fC=class{constructor(e,t,n){this.variableNames=["c","a","b"],this.outputShape=t;let o,s;if(n>4)throw Error(`Where for rank ${n} is not yet supported`);if(n===1)s="resRC",o="resRC";else{let i=["resRC.x","resRC.y","resRC.z","resRC.w"],l=[],u=[];for(let c=0;c<t.length;c++)u.push(`${i[c]}`),c<e&&l.push(`${i[c]}`);o=l.join(),s=u.join()}let a=Ge(n);this.userCode=`
void main() {
${a} resRC = getOutputCoords();
float cVal = getC(${o});
if (cVal >= 1.0) {
setOutput(getA(${s}));
} else {
setOutput(getB(${s}));
2021-04-19 22:19:03 +02:00
}
2021-04-28 14:55:26 +02:00
}
`}};function RJ(r){let{inputs:e,backend:t}=r,{condition:n,t:o,e:s}=e,a=new fC(n.shape.length,o.shape,o.shape.length);return t.runWebGLProgram(a,[n,o,s],mr(o.dtype,s.dtype))}var cP={kernelName:ii,backendName:"webgl",kernelFunc:RJ};var FJ=`
// Stable and Attracting Fixed Point (0, 1) for Normalized Weights.
// see: https://arxiv.org/abs/1706.02515
float scaleAlpha = ${I.SELU_SCALEALPHA};
float scale = ${I.SELU_SCALE};
return (x >= 0.0) ? scale * x : scaleAlpha * (exp(x) - 1.0);
`,OJ=ke({opSnippet:FJ}),pP={kernelName:fa,backendName:"webgl",kernelFunc:OJ};var PJ="return 1.0 / (1.0 + exp(-1.0 * x));",MJ=ke({opSnippet:PJ}),mP={kernelName:hs,backendName:"webgl",kernelFunc:MJ};var LJ=`
if (isnan(x)) { return 0.0; }
return sign(x);
`,zJ=ke({opSnippet:LJ}),fP={kernelName:ha,backendName:"webgl",kernelFunc:zJ};var BJ=Zx+`
return sin(x);
`,VJ=ke({opSnippet:BJ}),dP={kernelName:ds,backendName:"webgl",kernelFunc:VJ};var GJ=`
float e2x = exp(x);
return (e2x - 1.0 / e2x) / 2.0;
`,WJ=ke({opSnippet:GJ}),hP={kernelName:da,backendName:"webgl",kernelFunc:WJ};var jJ=`
float epsilon = 1.1920928955078125e-7;
float threshold = log(epsilon) + 2.0;
bool too_large = x > -threshold;
bool too_small = x < threshold;
float result;
float exp_x = exp(x);
if (too_large){
result = x;
2021-06-03 15:41:53 +02:00
}
else if (too_small){
result = exp_x;
2021-06-04 15:20:59 +02:00
}
else{
result = log(exp_x + 1.0);
}
return result;
`,UJ=ke({opSnippet:jJ}),gP={kernelName:ga,backendName:"webgl",kernelFunc:UJ};var qJ=r=>{let{inputs:e,backend:t,attrs:n}=r,{x:o}=e,{blockShape:s,paddings:a}=n;y.assert(o.shape.length<=4,()=>"spaceToBatchND for rank > 4 with a WebGL backend not implemented yet");let i=s.reduce((x,b)=>x*b),l=[[0,0]];l.push(...a);for(let x=1+s.length;x<o.shape.length;++x)l.push([0,0]);let u=[],c=rC({inputs:{x:o},backend:t,attrs:{paddings:l,constantValue:0}}),p=I.getReshaped(c.shape,s,i,!1),m=I.getPermuted(p.length,s.length,!1),f=I.getReshapedPermuted(c.shape,s,i,!1),d=le({inputs:{x:c},backend:t,attrs:{shape:p}}),h=Ft({inputs:{x:d},backend:t,attrs:{perm:m}}),g=le({inputs:{x:h},backend:t,attrs:{shape:f}});return u.push(c),u.push(d),u.push(h),u.forEach(x=>t.disposeIntermediateTensorInfo(x)),g},xP={kernelName:yl,backendName:"webgl",kernelFunc:qJ};function HJ(r){let{inputs:e,backend:t}=r,{indices:n,values:o,denseShape:s,defaultValue:a}=e;if(s.shape.length!==1)throw new Error(`Dense shape must be a vector, saw:
${s.shape}`);if(n.shape.length!==2)throw new Error(`Indices must be a matrix, saw:
${n.shape}`);if(o.shape.length!==1)throw new Error(`Values must be a vector, saw:
${o.shape}`);if(a.shape.length!==0)throw new Error(`Default value must be a scalar, saw:
${a.shape}`);let i=t.readSync(n.dataId),l=t.readSync(o.dataId),u=t.readSync(s.dataId),c=t.readSync(a.dataId)[0],[p,m,f,d,h]=H$(i,n.shape,n.dtype,l,o.dtype,u,c);return[t.makeTensorInfo(m,n.dtype,p),t.makeTensorInfo([m[0]],o.dtype,f),t.makeTensorInfo([d.length],"bool",new Uint8Array(d.map(g=>Number(g)))),t.makeTensorInfo([h.length],n.dtype,new Int32Array(h))]}var yP={kernelName:lp,backendName:"webgl",kernelFunc:HJ};function KJ(r){let{inputs:e,backend:t}=r,{inputIndices:n,inputShape:o,newShape:s}=e;if(n.shape.length!==2)throw new Error(`Input indices should be a matrix but received shape ${n.shape}`);if(o.shape.length!==1)throw new Error(`Input shape should be a vector but received shape ${o.shape}`);if(s.shape.length!==1)throw new Error(`Target shape should be a vector but received shape ${s.shape}`);let a=Array.from(t.readSync(o.dataId)),i=t.readSync(n.dataId),l=Array.from(t.readSync(s.dataId)),[u,c,p]=K$(i,n.shape,n.dtype,a,l);return[t.makeTensorInfo(c,n.dtype,u),t.makeTensorInfo([p.length],s.dtype,new Int32Array(p))]}var bP={kernelName:up,backendName:"webgl",kernelFunc:KJ};function XJ(r){let{inputs:e,backend:t}=r,{data:n,indices:o,segmentIds:s}=e;if(n.shape.length<1)throw new Error("Data should be at least 1 dimensional but received scalar");if(o.shape.length!==1)throw new Error(`Indices should be a vector but received shape
${o.shape}`);if(s.shape.length!==1)throw new Error(`Segment ids should be a vector but received shape
${s.shape}`);let a=t.readSync(n.dataId),i=t.readSync(o.dataId),l=t.readSync(s.dataId),[u,c]=Kx(a,n.shape,n.dtype,i,l,!0);return t.makeTensorInfo(c,n.dtype,u)}var wP={kernelName:cp,backendName:"webgl",kernelFunc:XJ};function YJ(r){let{inputs:e,backend:t}=r,{data:n,indices:o,segmentIds:s}=e;if(n.shape.length<1)throw new Error("Data should be at least 1 dimensional but received scalar");if(o.shape.length!==1)throw new Error(`Indices should be a vector but received shape
${o.shape}`);if(s.shape.length!==1)throw new Error(`Segment ids should be a vector but received shape
${s.shape}`);let a=t.readSync(n.dataId),i=t.readSync(o.dataId),l=t.readSync(s.dataId),[u,c]=Kx(a,n.shape,n.dtype,i,l);return t.makeTensorInfo(c,n.dtype,u)}var _P={kernelName:pp,backendName:"webgl",kernelFunc:YJ};function ZJ(r){let{inputs:e,backend:t,attrs:n}=r,{sparseIndices:o,sparseValues:s,defaultValue:a}=e,{outputShape:i}=n,{sliceRank:l,numUpdates:u,strides:c,outputSize:p}=I.calculateShapes(s,o,i),m=!1,f=new yd(u,l,o.shape.length,s.shape.length,c,[p,1],m),d=t.runWebGLProgram(f,[s,o,a],s.dtype),h=le({inputs:{x:d},backend:t,attrs:{shape:i}});return t.disposeIntermediateTensorInfo(d),h}var kP={kernelName:mp,backendName:"webgl",kernelFunc:ZJ};function JJ(r){let{inputs:e,backend:t,attrs:n}=r,{x:o}=e,{numOrSizeSplits:s,axis:a}=n,i=y.parseAxisParam(a,o.shape)[0],l=I.prepareSplitSize(o,s,i),u=o.shape.length,c=new Array(u).fill(0),p=o.shape.slice();return l.map(m=>{let f=[...p];f[i]=m;let d=Ua({inputs:{x:o},backend:t,attrs:{begin:c,size:f}});return c[i]+=m,d})}var vP={kernelName:li,backendName:"webgl",kernelFunc:JJ};var QJ="return sqrt(x);",eQ=ke({opSnippet:QJ}),CP={kernelName:gs,backendName:"webgl",kernelFunc:eQ};var tQ="return x * x;",rQ=ke({opSnippet:tQ}),IP={kernelName:bl,backendName:"webgl",kernelFunc:rQ};var SP="return (a - b) * (a - b);",nQ=it({opSnippet:SP,packedOpSnippet:SP}),NP={kernelName:bs,backendName:"webgl",kernelFunc:nQ};function oQ({inputs:r,attrs:e,backend:t}){let{x:n}=r,o=kr+`
return x > 0.0 ? 1.0 : float(${e.alpha});
`,s=new vn(n.shape,o);return t.runWebGLProgram(s,[n],n.dtype)}var TP={kernelName:oo,backendName:"webgl",kernelFunc:oQ};var dC=class{constructor(e,t,n){this.variableNames=["x"],this.outputShape=n;let o=n.length,s=Ge(n.length),a=Ge(n.length),i="";if(o===1)i="coords * strides + begin";else{let l=0;i=n.map((u,c)=>(l++,n.length===1?`coords * strides[${c}] + begin[${c}]`:`coords[${l-1}] * strides[${c}] + begin[${c}]`)).join(",")}this.userCode=`
${s} begin = ${s}(${e});
${s} strides = ${s}(${t});
void main() {
${a} coords = getOutputCoords();
setOutput(getX(${i}));
}
`}};function sQ(r){let{inputs:e,backend:t,attrs:n}=r,{x:o}=e,{begin:s,end:a,strides:i,beginMask:l,endMask:u,ellipsisMask:c,newAxisMask:p,shrinkAxisMask:m}=n,{nonStrided:f,$begin:d,$strides:h,size:g,newShape:x,outShape:b}=lr.sliceInfo(o.shape,s,a,i,l,u,c,p,m),w=le({inputs:{x:o},backend:t,attrs:{shape:x}}),_;if(f){let A=Ua({inputs:{x:w},backend:t,attrs:{begin:d,size:g}});_=le({inputs:{x:A},backend:t,attrs:{shape:b}}),t.disposeIntermediateTensorInfo(A)}else if(b.some(A=>A===0))_=t.makeTensorInfo(b,o.dtype,[]);else if(t.shouldExecuteOnCPU([w])){let $=t.texData.get(w.dataId).values,R=Ie(w.shape,w.dtype,$),M=X$(b,R,h,d);_=t.makeTensorInfo(b,w.dtype,M.values)}else{let D=new dC(d,h,b);_=t.runWebGLProgram(D,[w],w.dtype)}let C=le({inputs:{x:_},backend:t,attrs:{shape:b}});return t.disposeIntermediateTensorInfo(w),t.disposeIntermediateTensorInfo(_),C}var EP={kernelName:xa,backendName:"webgl",kernelFunc:sQ};function iQ(r){let{inputs:e,backend:t,attrs:n}=r,{separator:o,nGramWidths:s,leftPad:a,rightPad:i,padWidth:l,preserveShortSequences:u}=n,{data:c,dataSplits:p}=e,m=t.readSync(c.dataId),f=t.readSync(p.dataId),[d,h]=Y$(m,f,o,s,a,i,l,u);return[t.makeTensorInfo([d.length],"string",d),t.makeTensorInfo(p.shape,"int32",h)]}var AP={kernelName:fp,backendName:"webgl",kernelFunc:iQ};function aQ(r){let{inputs:e,backend:t,attrs:n}=r,{skipEmpty:o}=n,{input:s,delimiter:a}=e;if(s.dtype!=="string")throw new Error("Input must be of datatype string");if(s.shape.length!==1)throw new Error(`Input must be a vector, got shape: ${s.shape}`);if(a.shape.length!==0)throw new Error(`Delimiter must be a scalar, got shape: ${a.shape}`);let i=t.readSync(s.dataId),l=t.readSync(a.dataId)[0],[u,c,p]=Z$(i,l,o),m=c.length;return[t.makeTensorInfo([m,2],"int32",u),t.makeTensorInfo([m],"string",c),t.makeTensorInfo([2],"int32",new Int32Array(p))]}var DP={kernelName:dp,backendName:"webgl",kernelFunc:aQ};function lQ(r){let{inputs:e,backend:t,attrs:n}=r,{numBuckets:o}=n,{input:s}=e;if(s.dtype!=="string")throw new Error("Input must be of datatype string");if(o<=0)throw new Error("Number of buckets must be at least 1");let a=t.readSync(s.dataId),i=J$(a,o);return t.makeTensorInfo(s.shape,"int32",i)}var $P={kernelName:hp,backendName:"webgl",kernelFunc:lQ};var uQ="return tan(x);",cQ=ke({opSnippet:uQ}),RP={kernelName:_s,backendName:"webgl",kernelFunc:cQ};var pQ=`
float e2x = exp(-2.0 * abs(x));
return sign(x) * (1.0 - e2x) / (1.0 + e2x);
`,mQ=ke({opSnippet:pQ}),FP={kernelName:ks,backendName:"webgl",kernelFunc:mQ};var hC=class{constructor(e,t){this.variableNames=["A"];let n=new Array(e.length);for(let a=0;a<n.length;a++)n[a]=e[a]*t[a];this.outputShape=n,this.rank=n.length;let o=Ge(this.rank),s=fQ(e);this.userCode=`
void main() {
${o} resRC = getOutputCoords();
setOutput(getA(${s}));
}
`}};function fQ(r){let e=r.length;if(e>5)throw Error(`Tile for rank ${e} is not yet supported`);if(e===1)return`imod(resRC, ${r[0]})`;let t=["resRC.x","resRC.y","resRC.z","resRC.w","resRC.u"],n=[];for(let o=0;o<r.length;o++)n.push(`imod(${t[o]}, ${r[o]})`);return n.join()}function gC(r){let{inputs:e,backend:t,attrs:n}=r,{x:o}=e,{reps:s}=n;if(o.dtype==="string"||o.shape.length>5){let l=t.readSync(o.dataId),u=o.dtype==="string"?l.map(m=>y.decodeString(m)):l,c=Ie(o.shape,o.dtype,u),p=eR(c,s);return t.makeTensorInfo(p.shape,p.dtype,p.values)}let a=new hC(o.shape,s);return t.runWebGLProgram(a,[o],o.dtype)}var OP={kernelName:Un,backendName:"webgl",kernelFunc:gC};function dQ(r){let{inputs:e,backend:t,attrs:n}=r,{x:o}=e,{k:s,sorted:a}=n,i=t.readSync(o.dataId),[l,u]=tR(i,o.shape,o.dtype,s,a);return[t.makeTensorInfo(l.shape,l.dtype,l.values),t.makeTensorInfo(u.shape,u.dtype,u.values)]}var PP={kernelName:ya,backendName:"webgl",kernelFunc:dQ};var xC=class{constructor(e,t,n,o,s,a){this.variableNames=["Image","Transforms"],this.outputShape=a;let i=n==="nearest"?1:2,l;switch(o){case"constant":l=1;break;case"reflect":l=2;break;case"wrap":l=3;break;case"nearest":l=4;break;default:l=1;break}this.userCode=`
float mapCoord(float outCoord, float len) {
float inCoord = outCoord;
if(${l} == 2) {
if (inCoord < 0.0) {
if (len <= 1.0) {
inCoord = 0.0;
} else {
float sz2 = 2.0 * len;
if (inCoord < sz2) {
inCoord = sz2 * float(int(float(-inCoord / sz2))) +
inCoord;
}
inCoord = inCoord < -len ? inCoord + sz2 : -inCoord - 1.0;
}
} else if (inCoord > len - 1.0) {
if (len <= 1.0) {
inCoord = 0.0;
} else {
float sz2 = 2.0 * len;
inCoord -= sz2 * float(int(float(inCoord / sz2)));
if (inCoord >= len) {
inCoord = sz2 - inCoord - 1.0;
}
}
}
return clamp(inCoord, 0.0, len - 1.0);
} else if (${l} == 3) {
if (inCoord < 0.0) {
if (len <= 1.0) {
inCoord = 0.0;
} else {
float sz = len - 1.0;
inCoord += len * (float(int(float(-inCoord / sz))) + 1.0);
}
} else if (inCoord > len - 1.0) {
if (len <= 1.0) {
inCoord = 0.0;
} else {
float sz = len - 1.0;
inCoord -= len * float(int(float(inCoord / sz)));
}
}
return clamp(inCoord, 0.0, len - 1.0);
} else if (${l} == 4) {
return clamp(outCoord, 0.0, len - 1.0);
} else {
return outCoord;
}
}
float readWithFillValue(int batch, int coordY, int coordX,
int channel) {
float outputValue;
if (0 <= coordY && coordY < ${e} && 0 <= coordX && coordX < ${t}) {
outputValue = getImage(batch, coordY, coordX, channel);
} else {
outputValue = float(${s});
2021-04-28 14:58:21 +02:00
}
return outputValue;
}
2021-06-04 15:20:59 +02:00
void main() {
ivec4 coords = getOutputCoords();
float outputValue;
int batch = coords[0];
int x = coords[2];
int y = coords[1];
int channel = coords[3];
float xf = float(x);
float yf = float(y);
float a1 = getTransforms(batch, 0);
float a2 = getTransforms(batch, 1);
float a3 = getTransforms(batch, 2);
float b1 = getTransforms(batch, 3);
float b2 = getTransforms(batch, 4);
float b3 = getTransforms(batch, 5);
float c1 = getTransforms(batch, 6);
float c2 = getTransforms(batch, 7);
float projection = c1 * xf + c2 * yf + 1.0;
if (projection == 0.0) {
outputValue = float(${s});
} else {
float inX = (a1 * xf + a2 * yf + a3) / projection;
float inY = (b1 * xf + b2 * yf + b3) / projection;
float mapX = mapCoord(inX, float(${t}));
float mapY = mapCoord(inY, float(${e}));
if (${i} == 1) {
int coordY = int(round(mapY));
int coordX = int(round(mapX));
outputValue = readWithFillValue(batch, coordY, coordX,
channel);
} else {
float yFloor = floor(mapY);
float xFloor = floor(mapX);
float yCeil = yFloor + 1.0;
float xCeil = xFloor + 1.0;
float valueYFloor = (xCeil - mapX) *
readWithFillValue(batch, int(yFloor), int(xFloor), channel) +
(mapX - xFloor) *
readWithFillValue(batch, int(yFloor), int(xCeil), channel);
float valueYCeil = (xCeil - mapX) *
readWithFillValue(batch, int(yCeil), int(xFloor), channel) +
(mapX - xFloor) *
readWithFillValue(batch, int(yCeil), int(xCeil), channel);
outputValue = (yCeil - mapY) * valueYFloor +
(mapY - yFloor) * valueYCeil;
}
}
setOutput(outputValue);
}
`}};function hQ(r){let{inputs:e,backend:t,attrs:n}=r,{image:o,transforms:s}=e,{interpolation:a,fillMode:i,fillValue:l,outputShape:u}=n,[c,p,m,f]=o.shape,[d,h]=u!=null?u:[p,m],g=[c,d,h,f],x=new xC(p,m,a,i,l,g);return t.runWebGLProgram(x,[o,s],"float32")}var MP={kernelName:ba,backendName:"webgl",kernelFunc:hQ};function gQ(r){let{inputs:e,attrs:t,backend:n}=r,{axis:o}=t,{x:s}=e;Ps(s,"unique"),console.warn("WARNING: ","UI might be locked temporarily as data is being downloaded");let a=n.readSync(s.dataId),{outputValues:i,outputShape:l,indices:u}=rR(a,o,s.shape,s.dtype);return[n.makeTensorInfo(l,s.dtype,i),n.makeTensorInfo([u.length],"int32",u)]}var LP={kernelName:gp,backendName:"webgl",kernelFunc:gQ};function xQ(r){let{inputs:e,backend:t,attrs:n}=r,{value:o}=e,{axis:s}=n;s<0&&(s+=o.shape.length);let a=o,i=a.shape.length,l=o.shape[s],u=new Array(i-1),c=0;for(let h=0;h<i;h++)h!==s&&(u[c++]=a.shape[h]);let p=[],m=new Array(i).fill(0),f=a.shape.slice();f[s]=1;let d=new Array(l);for(let h=0;h<d.length;h++){m[s]=h;let g=Ua({inputs:{x:a},backend:t,attrs:{begin:m,size:f}}),x=le({inputs:{x:g},backend:t,attrs:{shape:u}});d[h]=x,p.push(g)}return p.forEach(h=>t.disposeIntermediateTensorInfo(h)),d}var zP={kernelName:ui,backendName:"webgl",kernelFunc:xQ};var yC=class{constructor(e,t){this.variableNames=["x","segmentIds"];let n=e.windowSize,o=e.batchSize,s=e.inSize,a=e.numSegments,i=a*Math.ceil(s/n);this.outputShape=[o,i];let l="0.0",u="sumValue",c=Math.floor(n/4)*4,p=n%4,m=`
sumValue += dot(values, segFilter);
`,f="";s%n>0&&(f=`
if (inIdx < 0 || inIdx >= ${s}) {
return initializationValue;
2021-06-03 15:53:11 +02:00
}
`);let d="";s%n>0&&(d=`
if (inIdx < 0 || inIdx >= ${s}) {
return -1.0;
2021-06-04 19:51:01 +02:00
}
`),this.userCode=`
const float initializationValue = ${l};
2021-06-04 15:20:59 +02:00
float getValue(int batch, int inIdx) {
${f}
return getX(batch, inIdx);
2021-06-04 19:51:01 +02:00
}
float getSegmentIdAtIndex(int inIdx) {
${d}
return getSegmentIds(inIdx);
2021-06-04 19:51:01 +02:00
}
2021-04-28 14:58:21 +02:00
void main() {
ivec2 coords = getOutputCoords();
int batch = coords[0];
int outIdx = coords[1];
int inOffset = int(floor(float(outIdx) / float(
${a})) * float(${n}));
int currentSeg = int(mod(float(outIdx), float(${a})));
2021-06-02 19:39:02 +02:00
float sumValue = 0.0;
2021-06-02 19:39:02 +02:00
for (int i = 0; i < ${c}; i += 4) {
int inIdx = inOffset + i;
vec4 values = vec4(
getValue(batch, inIdx),
getValue(batch, inIdx + 1),
getValue(batch, inIdx + 2),
getValue(batch, inIdx + 3)
);
2021-06-02 19:39:02 +02:00
vec4 segFilter = vec4(
int(getSegmentIdAtIndex(inIdx)) == currentSeg ? 1 : 0,
int(getSegmentIdAtIndex(inIdx + 1)) == currentSeg ? 1 : 0,
int(getSegmentIdAtIndex(inIdx + 2)) == currentSeg ? 1 : 0,
int(getSegmentIdAtIndex(inIdx + 3)) == currentSeg ? 1 : 0
);
2021-06-03 15:41:53 +02:00
${m}
}
2021-06-03 15:41:53 +02:00
int inIdx = inOffset + ${c};
if (${p===1}) {
vec4 values = vec4(
getValue(batch, inIdx),
initializationValue,
initializationValue,
initializationValue
);
2021-06-03 15:41:53 +02:00
int inIdxSeg = int(getSegmentIdAtIndex(inIdx));
2021-06-04 15:20:59 +02:00
vec4 segFilter = vec4(
int(getSegmentIdAtIndex(inIdx)) == currentSeg ? 1 : 0,
0,
0,
0
);
2021-06-04 15:20:59 +02:00
${m}
} else if (${p===2}) {
vec4 values = vec4(
getValue(batch, inIdx),
getValue(batch, inIdx + 1),
initializationValue,
initializationValue
);
2021-06-04 15:20:59 +02:00
vec4 segFilter = vec4(
int(getSegmentIdAtIndex(inIdx)) == currentSeg ? 1 : 0,
int(getSegmentIdAtIndex(inIdx + 1)) == currentSeg ? 1 : 0,
0,
0
);
${m}
} else if (${p===3}) {
vec4 values = vec4(
getValue(batch, inIdx),
getValue(batch, inIdx + 1),
getValue(batch, inIdx + 2),
initializationValue
);
vec4 segFilter = vec4(
int(getSegmentIdAtIndex(inIdx)) == currentSeg ? 1 : 0,
int(getSegmentIdAtIndex(inIdx + 1)) == currentSeg ? 1 : 0,
int(getSegmentIdAtIndex(inIdx + 2)) == currentSeg ? 1 : 0,
0
);
${m}
}
setOutput(${u});
}
`}};function yQ(r){let{inputs:e,backend:t,attrs:n}=r,{x:o,segmentIds:s}=e,{numSegments:a}=n,i=o.shape.length,l=[],u=0,c=I.getAxesPermutation([u],i),p=o;c!=null&&(p=Ft({inputs:{x:o},backend:t,attrs:{perm:c}}),l.push(p),u=I.getInnerMostAxes(1,i)[0]);let m=I.segment_util.computeOutShape(p.shape,u,a),f=y.sizeFromShape([p.shape[u]]),d=le({inputs:{x:p},backend:t,attrs:{shape:[-1,f]}});l.push(d);let h=du(o.dtype),g=(_,C,A,D,$)=>{let R=_.shape[0],M=_.shape[1],G=I.segment_util.segOpComputeOptimalWindowSize(M,$),j={windowSize:G,inSize:M,batchSize:R,numSegments:$},U=new yC(j,C),q=t.compileAndRun(U,[_,A],D);if(l.push(q),q.shape[1]===$)return q;let H=nC({backend:t,attrs:{start:0,stop:$,step:1,dtype:"float32"}}),X=gC({inputs:{x:H},backend:t,attrs:{reps:[M/G]}});return l.push(H),l.push(X),g(q,C,X,D,$)},x=g(d,"unsortedSegmentSum",s,h,a),b=le({inputs:{x},backend:t,attrs:{shape:m}}),w=b;if(c!=null){l.push(b);let _=I.getUndoAxesPermutation(c);w=Ft({inputs:{x:w},backend:t,attrs:{perm:_}})}return l.forEach(_=>t.disposeIntermediateTensorInfo(_)),w}var BP={kernelName:wl,backendName:"webgl",kernelFunc:yQ};var bQ=[gO,xO,DR,RR,FR,OR,MR,LR,zR,BR,WR,jR,UR,qR,KR,HR,XR,ZR,YR,JR,QR,eF,tF,nF,oF,lF,cF,pF,fF,bR,hF,xF,yF,gF,wF,_F,bF,kF,vF,CF,NF,TF,EF,DF,$F,AF,RF,FF,OF,PF,MF,LF,zF,VF,GF,jF,UF,qF,HF,XF,YF,ZF,JF,QF,eO,tO,rO,nO,yR,oO,dF,sO,iO,aO,wR,lO,uO,cO,mO,pO,fO,dO,hO,bO,kO,_O,vO,CO,SO,wO,TO,EO,AO,DO,$O,MO,IR,zO,BO,VO,GO,sF,WO,qO,HO,KO,XO,_R,YO,ZO,iF,RO,JO,eP,QO,NR,tP,rP,nP,oP,sP,iP,aP,lP,uP,cP,pP,mP,fP,dP,hP,rF,PO,gP,xP,yP,bP,wP,_P,kP,vP,CP,IP,NP,TP,EP,AP,DP,$P,OO,ER,RP,FP,OP,PP,MP,AR,LP,zP,BP,jO];for(let r of bQ)lu(r);var Ot;(function(r){r[r.float32=0]="float32",r[r.int32=1]="int32",r[r.bool=2]="bool",r[r.string=3]="string",r[r.complex64=4]="complex64"})(Ot||(Ot={}));var Ll;(function(r){r[r.linear=0]="linear",r[r.relu=1]="relu",r[r.relu6=2]="relu6",r[r.prelu=3]="prelu",r[r.leakyrelu=4]="leakyrelu",r[r.sigmoid=5]="sigmoid"})(Ll||(Ll={}));var VP;function wQ(r){VP=r.wasm.cwrap(pi,null,["number","array","number","number","array","number","number","number","number","number","number","number","number"])}function _Q(r){let{inputs:e,backend:t,attrs:n}=r,{a:o,b:s,bias:a,preluActivationWeights:i}=e;if(o.dtype!=="float32"||s.dtype!=="float32")throw new Error("_FusedMatMul for non non-float32 tensors not yet supported.");let{transposeA:l,transposeB:u,activation:c,leakyreluAlpha:p}=n,m=t.dataIdMap.get(o.dataId).id,f=t.dataIdMap.get(s.dataId).id,d=0;if(a!=null){let $=t.dataIdMap.get(a.dataId);if($.shape.length!==1)throw new Error(`_FusedMatMul only supports rank-1 bias but got rank ${$.shape.length}.`);d=$.id}let h=i==null?0:t.dataIdMap.get(i.dataId).id,g=Ll[c];if(g==null)throw new Error(`${c} activation not yet supported for FusedConv2D in the wasm backend.`);let x=l?o.shape[2]:o.shape[1],b=u?s.shape[1]:s.shape[2],w=o.shape[0],_=t.makeOutput([w,x,b],o.dtype),C=t.dataIdMap.get(_.dataId).id,A=new Uint8Array(new Int32Array(o.shape).buffer),D=new Uint8Array(new Int32Array(s.shape).buffer);return VP(m,A,o.shape.length,f,D,s.shape.length,l,u,g,d,h,p||0,C),_}var GP={kernelName:pi,backendName:"wasm",setupFunc:wQ,kernelFunc:_Q};function yt(r){let e;function t(o){e=o.wasm.cwrap(r,null,["number","number"])}function n(o){let{backend:s,inputs:{x:a}}=o,i=s.dataIdMap.get(a.dataId).id,l=s.makeOutput(a.shape,a.dtype),u=s.dataIdMap.get(l.dataId).id;return y.sizeFromShape(l.shape)===0||e(i,u),l}return{kernelName:r,backendName:"wasm",setupFunc:t,kernelFunc:n}}var WP=yt(Js);function bt(r,e,t){let n;function o(a){n=a.wasm.cwrap(r,null,["number","array","number","number","array","number","number","number"])}function s(a){let{backend:i,inputs:l}=a,{a:u,b:c}=l,p=i.dataIdMap.get(u.dataId).id,m=i.dataIdMap.get(c.dataId).id,f=t!=null?t:u.dtype,d=I.assertAndGetBroadcastShape(u.shape,c.shape),h=i.makeOutput(d,f);if(y.sizeFromShape(d)===0)return h;let g=new Uint8Array(new Int32Array(u.shape).buffer),x=new Uint8Array(new Int32Array(c.shape).buffer),b=i.dataIdMap.get(h.dataId).id,w=()=>n(p,g,u.shape.length,m,x,c.shape.length,Ot[u.dtype],b);if(e&&u.dtype==="float32")return w(),h;let _=I.getBroa
1. The ${n} is defined in Python, in which case it needs to be ported to TensorFlow.js or your JavaScript code.
2. The custom ${n} is defined in JavaScript, but is not registered properly with tf.serialization.registerClass().`);return a}else{let s=r;if(s.className==null||s.config==null)throw new z(`${n}: Improper config format: ${JSON.stringify(s)}.
'className' and 'config' must set.`);let a=s.className,i,l;if(a in t?[i,l]=t[a]:a in Io?[i,l]=Io.className:a in e&&([i,l]=e[a]),i==null)throw new z(`Unknown ${n}: ${a}. This may be due to one of the following reasons:
1. The ${n} is defined in Python, in which case it needs to be ported to TensorFlow.js or your JavaScript code.
2. The custom ${n} is defined in JavaScript, but is not registered properly with tf.serialization.registerClass().`);if(l!=null){let u={};for(let f of Object.keys(Io))u[f]=Io[f];for(let f of Object.keys(t))u[f]=t[f];let c=s.config;c.customObjects=u;let p=Object.assign({},Io);for(let f of Object.keys(t))Io[f]=t[f];PC(s.config);let m=l(i,s.config,t,o);return Io=Object.assign({},p),m}else{let u=Object.assign({},Io);for(let p of Object.keys(t))Io[p]=t[p];let c=new i(s.config);return Io=Object.assign({},u),c}}}function Kte(r,e){return r<e?-1:r>e?1:0}function vd(r,e){return-1*Kte(r,e)}function So(r){if(r==null)return r;let e=[];for(let t of r)e.indexOf(t)===-1&&e.push(t);return e}function _B(r){if(r==null)throw new z(`Invalid value in obj: ${JSON.stringify(r)}`);for(let e in r)if(r.hasOwnProperty(e))return!1;return!0}function vi(r,e,t){if(t!=null&&r.indexOf(t)<0)throw new z(`${t} is not a valid ${e}. Valid values are ${r} or null/undefined.`)}function gy(r,e,t=0,n=Infinity){return Yn(t>=0),Yn(n>=t),Array.isArray(r)&&r.length>=t&&r.length<=n&&r.every(o=>typeof o===e)}function Zt(r,e){Array.isArray(r)?(y.assert(r.length>0,()=>`${e} is unexpectedly an empty array.`),r.forEach((t,n)=>Zt(t,`element ${n+1} of ${e}`))):y.assert(Number.isInteger(r)&&r>0,()=>`Expected ${e} to be a positive integer, but got ${kB(r)}.`)}function kB(r){return r===null?"null":Array.isArray(r)?"["+r.map(e=>kB(e)).join(",")+"]":typeof r=="string"?`"${r}"`:`${r}`}function vB(r,e){let t=y.now(),n;return(...s)=>{let a=y.now();return a-t<e||(t=a,n=r(...s)),n}}function xy(r){return r==="relu"?"relu":r==="linear"?"linear":r==="elu"?"elu":null}function MC(r,e){return B(()=>xt(de(P(r,r),e,!0)))}var um=class extends Q.Serializable{getConfig(){return{}}},Cd=class extends um{constructor(e){super();this.defaultMaxValue=2,this.defaultAxis=0,this.maxValue=e.maxValue!=null?e.maxValue:this.defaultMaxValue,this.axis=e.axis!=null?e.axis:this.defaultAxis}apply(e){return B(()=>{let t=MC(e,this.axis),n=fr(t,0,this.maxValue);return P(e,ue(n,J(ir(),t)))})}getConfig(){return{maxValue:this.maxValue,axis:this.axis}}};Cd.className="MaxNorm";Q.registerClass(Cd);var Id=class extends um{constructor(e){super();this.defaultAxis=0,this.axis=e.axis!=null?e.axis:this.defaultAxis}apply(e){return B(()=>ue(e,J(ir(),MC(e,this.axis))))}getConfig(){return{axis:this.axis}}};Id.className="UnitNorm";Q.registerClass(Id);var Sd=class extends um{apply(e){return Mr(e)}};Sd.className="NonNeg";Q.registerClass(Sd);var Nd=class extends um{constructor(e){super();this.defaultMinValue=0,this.defaultMaxValue=1,this.defaultRate=1,this.defaultAxis=0,this.minValue=e.minValue!=null?e.minValue:this.defaultMinValue,this.maxValue=e.maxValue!=null?e.maxValue:this.defaultMaxValue,this.rate=e.rate!=null?e.rate:this.defaultRate,this.axis=e.axis!=null?e.axis:this.defaultAxis}apply(e){return B(()=>{let t=MC(e,this.axis),n=J(P(this.rate,fr(t,this.minValue,this.maxValue)),P(1-this.rate,t));return P(e,ue(n,J(ir(),t)))})}getConfig(){return{minValue:this.minValue,maxValue:this.maxValue,rate:this.rate,axis:this.axis}}};Nd.className="MinMaxNorm";Q.registerClass(Nd);var CB={maxNorm:"MaxNorm",minMaxNorm:"MinMaxNorm",nonNeg:"NonNeg",unitNorm:"UnitNorm"};function zt(r){return lm(r)}function IB(r,e={}){return ki(r,Q.SerializationMap.getMap().classNameMap,e,"constraint")}function Bt(r){if(r==null)return null;if(typeof r=="string"){let t={className:r in CB?CB[r]:r,config:{}};return IB(t)}else return r instanceof um?r:IB(r)}function Xte(r){return new Cd(r)}function Yte(r){return new Id(r)}function Zte(){return new Sd}function Jte(r){return new Nd(r)}var qB={};je(qB,{constant:()=>ire,glorotNormal:()=>fre,glorotUniform:()=>mre,heNormal:()=>dre,heUniform:()=>hre,identity:()=>cre,leCunNormal:()=>gre,leCunUniform:()=>xre,ones:()=>sre,orthogonal:()=>yre,randomNormal:()=>lre,randomUniform:()=>are,truncatedNormal:()=>ure,varianceScaling:()=>pre,zeros:()=>ore});var NB=["channelsFirst","channelsLast"],TB=["nearest","bilinear"],EB=["valid","same","causal"],AB=["max","avg"],DB=["sum","mul","concat","ave"];var cm=new Map;function Pt(r){vi(NB,"DataForm
because the value dtype is ${t.dtype}, but TensorArray dtype is ${this.dtype}.`);if(this.size()===0&&(this.elementShape==null||this.elementShape.length===0)&&(this.elementShape=t.shape),Vn(this.elementShape,t.shape,`TensorArray ${this.name}: Could not write to TensorArray index ${e}.`),n.read)throw new Error(`TensorArray ${this.name}: Could not write to TensorArray index ${e}, because it has already been read.`);if(n.written)throw new Error(`TensorArray ${this.name}: Could not write to TensorArray index ${e}, because it has already been written.`);n.tensor=t,Rt(t),n.written=!0,this.tensors[e]=n}writeMany(e,t){if(e.length!==t.length)throw new Error(`TensorArray ${this.name}: could not write multiple tensors,because the index size: ${e.length} is not the same as tensors size: ${t.length}.`);e.forEach((n,o)=>this.write(n,t[o]))}gather(e,t){if(!!t&&t!==this.dtype)throw new Error(`TensorArray dtype is ${this.dtype} but gather requested dtype ${t}`);if(e)e=e.slice(0,this.size());else{e=[];for(let o=0;o<this.size();o++)e.push(o)}if(e.length===0)return Nr([],[0].concat(this.elementShape));let n=this.readMany(e);return Vn(this.elementShape,n[0].shape,"TensorArray shape mismatch: "),Ht(n,0)}concat(e){if(!!e&&e!==this.dtype)throw new Error(`TensorArray dtype is ${this.dtype} but concat requested dtype ${e}`);if(this.size()===0)return Nr([],[0].concat(this.elementShape));let t=[];for(let o=0;o<this.size();o++)t.push(o);let n=this.readMany(t);return Vn(this.elementShape,n[0].shape,`TensorArray shape mismatch: tensor array shape (${this.elementShape}) vs first tensor shape (${n[0].shape})`),et(n,0)}scatter(e,t){if(t.dtype!==this.dtype)throw new Error(`TensorArray dtype is ${this.dtype} but tensor has dtype ${t.dtype}`);if(e.length!==t.shape[0])throw new Error(`Expected len(indices) == tensor.shape[0], but saw: ${e.length} vs. ${t.shape[0]}`);let n=Math.max(...e);if(!this.dynamicSize&&n>=this.maxSize)throw new Error(`Max index must be < array size (${n} vs. ${this.maxSize})`);this.writeMany(e,gr(t,0))}split(e,t){if(t.dtype!==this.dtype)throw new Error(`TensorArray dtype is ${this.dtype} but tensor has dtype ${t.dtype}`);let n=0,o=e.map(l=>(n+=l,n));if(n!==t.shape[0])throw new Error(`Expected sum of lengths to be equal to
tensor.shape[0], but sum of lengths is
${n}, and tensor's shape is: ${t.shape}`);if(!this.dynamicSize&&e.length!==this.maxSize)throw new Error(`TensorArray's size is not equal to the size of lengths (${this.maxSize} vs. ${e.length}), and the TensorArray is not marked as dynamically resizeable`);let s=n===0?0:t.size/n,a=[];B(()=>{t=L(t,[1,n,s]);for(let l=0;l<e.length;++l){let u=l===0?0:o[l-1],c=[0,u,0],p=[1,e[l],s];a[l]=L(Fe(t,c,p),this.elementShape)}return a});let i=[];for(let l=0;l<e.length;l++)i[l]=l;this.writeMany(i,a)}};var wc=class{constructor(e,t,n,o=-1){this.tensors=e,this.elementShape=t,this.elementDtype=n,e!=null&&e.forEach(s=>{if(n!==s.dtype)throw new Error(`Invalid data types; op elements ${n}, but list elements ${s.dtype}`);Vn(t,s.shape,"TensorList shape mismatch: "),Rt(s)}),this.idTensor=pe(0),this.maxNumElements=o,Rt(this.idTensor)}get id(){return this.idTensor.id}copy(){return new wc([...this.tensors],this.elementShape,this.elementDtype)}clearAndClose(e){this.tensors.forEach(t=>{(e==null||!e.has(t.id))&&t.dispose()}),this.tensors.length=0,this.idTensor.dispose()}size(){return this.tensors.length}stack(e,t,n=-1){if(t!==this.elementDtype)throw new Error(`Invalid data types; op elements ${t}, but list elements ${this.elementDtype}`);if(n!==-1&&this.tensors.length!==n)throw new Error(`Operation expected a list with ${n} elements but got a list with ${this.tensors.length} elements.`);Vn(e,this.elementShape,"TensorList shape mismatch: ");let o=$m(this.elementShape,this.tensors,e);return B(()=>{let s=this.tensors.map(a=>L(a,o));return Ht(s,0)})}popBack(e,t){if(t!==this.elementDtype)throw new Error(`Invalid data types; op elements ${t}, but list elements ${this.elementDtype}`);if(this.size()===0)throw new Error("Trying to pop from an empty list.");let n=$m(this.elementShape,this.tensors,e),o=this.tensors.pop();return Vn(o.shape,e,"TensorList shape mismatch: "),L(o,n)}pushBack(e){if(e.dtype!==this.elementDtype)throw new Error(`Invalid data types; op elements ${e.dtype}, but list elements ${this.elementDtype}`);if(Vn(e.shape,this.elementShape,"TensorList shape mismatch: "),this.maxNumElements===this.size())throw new Error("Trying to push element into a full list.");Rt(e),this.tensors.push(e)}resize(e){if(e<0)throw new Error(`TensorListResize expects size to be non-negative. Got: ${e}`);if(this.maxNumElements!==-1&&e>this.maxNumElements)throw new Error(`TensorListResize input size ${e} is greater maxNumElement ${this.maxNumElements}.`);this.tensors.length=e}getItem(e,t,n){if(n!==this.elementDtype)throw new Error(`Invalid data types; op elements ${n}, but list elements ${this.elementDtype}`);if(e<0||e>this.tensors.length)throw new Error(`Trying to access element ${e} in a list with ${this.tensors.length} elements.`);if(this.tensors[e]==null)throw new Error(`element at index ${e} is null.`);Vn(this.tensors[e].shape,t,"TensorList shape mismatch: ");let o=$m(this.elementShape,this.tensors,t);return L(this.tensors[e],o)}setItem(e,t){if(t.dtype!==this.elementDtype)throw new Error(`Invalid data types; op elements ${t.dtype}, but list elements ${this.elementDtype}`);if(e<0||this.maxNumElements!==-1&&e>=this.maxNumElements)throw new Error(`Trying to set element ${e} in a list with max ${this.maxNumElements} elements.`);Vn(this.elementShape,t.shape,"TensorList shape mismatch: "),Rt(t),this.tensors[e]=t}gather(e,t,n){if(t!==this.elementDtype)throw new Error(`Invalid data types; op elements ${t}, but list elements ${this.elementDtype}`);Vn(this.elementShape,n,"TensorList shape mismatch: "),e=e.slice(0,this.size());let o=$m(this.elementShape,this.tensors,n);return e.length===0?Nr([],[0].concat(o)):B(()=>{let s=e.map(a=>L(this.tensors[a],o));return Ht(s,0)})}concat(e,t){if(!!e&&e!==this.elementDtype)throw new Error(`TensorList dtype is ${this.elementDtype} but concat requested dtype ${e}`);Vn(this.elementShape,t,"TensorList shape mismatch: ");let n=$m(this.elementShape,this.tensors,t);return this.size()===0?Nr([],[0].concat(n)):B(()=>{let o=this.tensors.map(s=>L(s,n));return et(o,0)})}};function BV(r,e,t){let n=r.dtype;if(r.shape.length<1)throw new Error(`Tens
tensor.shape[0], but sum of lengths is
${n}, and tensor's shape is: ${r.shape}`);let s=r.shape.slice(1),a=nb(s,t),i=n===0?0:r.size/n,l=B(()=>{let c=[];r=L(r,[1,n,i]);for(let p=0;p<e.length;++p){let m=p===0?0:o[p-1],f=[0,m,0],d=[1,e[p],i];c[p]=L(Fe(r,f,d),a)}return r.dispose(),c}),u=new wc([],t,r.dtype,e.length);for(let c=0;c<l.length;c++)u.setItem(c,l[c]);return u}var jV=async(r,e,t)=>{switch(r.op){case"If":case"StatelessIf":{let n=v("thenBranch",r,e,t),o=v("elseBranch",r,e,t),s=v("cond",r,e,t),a=v("args",r,e,t);return(await s.data())[0]?t.functionMap[n].executeFunctionAsync(a,t.tensorArrayMap,t.tensorListMap):t.functionMap[o].executeFunctionAsync(a,t.tensorArrayMap,t.tensorListMap)}case"While":case"StatelessWhile":{let n=v("body",r,e,t),o=v("cond",r,e,t),s=v("args",r,e,t),a=await t.functionMap[o].executeFunctionAsync(s,t.tensorArrayMap,t.tensorListMap),i=s.map(c=>c.id),l=await a[0].data();a.forEach(c=>{!c.kept&&i.indexOf(c.id)===-1&&c.dispose()});let u=s;for(;l[0];){let c=u;u=await t.functionMap[n].executeFunctionAsync(u,t.tensorArrayMap,t.tensorListMap);let p=u.map(f=>f.id);c.forEach(f=>{!f.kept&&i.indexOf(f.id)===-1&&p.indexOf(f.id)===-1&&f.dispose()});let m=await t.functionMap[o].executeFunctionAsync(u,t.tensorArrayMap,t.tensorListMap);l=await m[0].data(),m.forEach(f=>{!f.kept&&i.indexOf(f.id)===-1&&p.indexOf(f.id)===-1&&f.dispose()})}return u}case"LoopCond":{let n=v("pred",r,e,t);return[Hs(n)]}case"Switch":{let n=v("pred",r,e,t),o=v("data",r,e,t);return o.kept||(o=Hs(o)),(await n.data())[0]?[void 0,o]:[o,void 0]}case"Merge":{let n=r.inputNames.find(o=>yr(o,e,t)!==void 0);if(n){let o=yr(n,e,t);return[Hs(o)]}return}case"Enter":{let n=v("frameName",r,e,t),o=v("tensor",r,e,t);return t.enterFrame(n),[Hs(o)]}case"Exit":{let n=v("tensor",r,e,t);return t.exitFrame(),[Hs(n)]}case"NextIteration":{let n=v("tensor",r,e,t);return t.nextIteration(),[Hs(n)]}case"TensorArrayV3":{let n=v("size",r,e,t),o=v("dtype",r,e,t),s=v("elementShape",r,e,t),a=v("dynamicSize",r,e,t),i=v("clearAfterRead",r,e,t),l=v("identicalElementShapes",r,e,t),u=v("name",r,e,t),c=new tS(u,o,n,s,l,a,i);return t.addTensorArray(c),[c.idTensor,pe(1)]}case"TensorArrayWriteV3":{let n=v("tensorArrayId",r,e,t),o=v("index",r,e,t),s=v("tensor",r,e,t),a=t.getTensorArray(n.id);return a.write(o,s),[a.idTensor]}case"TensorArrayReadV3":{let n=v("tensorArrayId",r,e,t),o=v("index",r,e,t);return[t.getTensorArray(n.id).read(o)]}case"TensorArrayGatherV3":{let n=v("tensorArrayId",r,e,t),o=v("indices",r,e,t),s=v("dtype",r,e,t);return[t.getTensorArray(n.id).gather(o,s)]}case"TensorArrayScatterV3":{let n=v("tensorArrayId",r,e,t),o=v("indices",r,e,t),s=v("tensor",r,e,t),a=t.getTensorArray(n.id);return a.scatter(o,s),[a.idTensor]}case"TensorArrayConcatV3":{let n=v("tensorArrayId",r,e,t),o=t.getTensorArray(n.id),s=v("dtype",r,e,t);return[o.concat(s)]}case"TensorArraySplitV3":{let n=v("tensorArrayId",r,e,t),o=v("tensor",r,e,t),s=v("lengths",r,e,t),a=t.getTensorArray(n.id);return a.split(s,o),[a.idTensor]}case"TensorArraySizeV3":{let n=v("tensorArrayId",r,e,t),o=t.getTensorArray(n.id);return[pe(o.size(),"int32")]}case"TensorArrayCloseV3":{let n=v("tensorArrayId",r,e,t),o=t.getTensorArray(n.id);return o.clearAndClose(),[o.idTensor]}case"TensorListSetItem":{let n=v("tensorListId",r,e,t),o=v("index",r,e,t),s=v("tensor",r,e,t),a=t.getTensorList(n.id);return a.setItem(o,s),[a.idTensor]}case"TensorListGetItem":{let n=v("tensorListId",r,e,t),o=v("index",r,e,t),s=v("elementShape",r,e,t),a=v("elementDType",r,e,t);return[t.getTensorList(n.id).getItem(o,s,a)]}case"TensorListScatterV2":case"TensorListScatter":{let n=v("indices",r,e,t),o=v("tensor",r,e,t),s=v("elementShape",r,e,t),a=v("numElements",r,e,t),i=GV(o,n,s,a);return t.addTensorList(i),[i.idTensor]}case"TensorListReserve":case"EmptyTensorList":{let n=v("elementShape",r,e,t),o=v("elementDType",r,e,t),s;r.op==="TensorListReserve"?s="numElements":s="maxNumElements";let a=v(s,r,e,t),i=VV(n,o,a);return t.addTensorList(i),[i.idTensor]}case"TensorListGather":{let n=v("tensorListId",r,e,t),o=v("indices",r,e,t),s=v("elementShape",r,e,t),a=v("elementDType",r,e,t);return[t.getTensor
${e}`);let o;return this.size===Infinity||this.size==null?o=this.size:t?o=Math.ceil(this.size/e):o=Math.floor(this.size/e),Tn(async()=>(await n.iterator()).columnMajorBatch(e,t,Bse),o)}concatenate(e){let t=this,n;return this.size===Infinity||e.size===Infinity?n=Infinity:this.size!=null&&e.size!=null?n=this.size+e.size:n=null,Tn(async()=>(await t.iterator()).concatenate(await e.iterator()),n)}filter(e){let t=this,n;return this.size===Infinity?n=Infinity:n=null,Tn(async()=>(await t.iterator()).filter(o=>B(()=>e(o))),n)}async forEachAsync(e){return(await this.iterator()).forEachAsync(e)}map(e){let t=this;return Tn(async()=>(await t.iterator()).map(n=>B(()=>e(n))),this.size)}mapAsync(e){let t=this;return Tn(async()=>(await t.iterator()).mapAsync(e),this.size)}prefetch(e){if(e==null)throw new RangeError("`Dataset.prefetch()` requires bufferSize to be specified.");let t=this;return Tn(async()=>(await t.iterator()).prefetch(e),this.size)}repeat(e){let t=this,n;return this.size!=null&&e>0?n=this.size*e:e===0?n=0:this.size!=null&&(e===void 0||e<0)?n=Infinity:n=null,Tn(async()=>{let o=Kh(async()=>({value:await t.iterator(),done:!1}));return AG(o.take(e))},n)}skip(e){let t=this,n;return this.size!=null&&e>=0&&this.size>=e?n=this.size-e:this.size!=null&&(this.size<e||e===void 0||e<0)?n=0:n=null,Tn(async()=>(await t.iterator()).skip(e),n)}shuffle(e,t,n=!0){if(e==null||e<0)throw this.size==null?new RangeError("`Dataset.shuffle()` requires bufferSize to be specified."):new RangeError(`\`Dataset.shuffle()\` requires bufferSize to be specified. If your data fits in main memory (for regular JS objects), and/or GPU memory (for \`tf.Tensor\`s), consider setting bufferSize to the dataset size (${this.size} elements)`);let o=this,s=jG.alea(t||y.now().toString());return Tn(async()=>{let a=s.int32();return n&&(a+=s.int32()),(await o.iterator()).shuffle(e,a.toString())},this.size)}take(e){let t=this,n;return this.size!=null&&this.size>e?n=e:this.size!=null&&this.size<=e?n=this.size:n=null,Tn(async()=>(await t.iterator()).take(e),n)}async toArray(){if(this.size===Infinity)throw new Error("Can not convert infinite data stream to array.");return(await this.iterator()).toArray()}async toArrayForTest(){if(this.size===Infinity)throw new Error("Can not convert infinite data stream to array.");return(await this.iterator()).toArrayForTest()}};Ni.MAX_BUFFER_SIZE=1e4;function Tn(r,e=null){return new class extends Ni{constructor(){super(...arguments);this.size=e}async iterator(){return r()}}}function UG(r){return Tn(async()=>xS(r),r.length)}function qG(r){if(!Zl(r))throw new Error("The argument to zip() must be an object or array.");let e;if(Array.isArray(r))for(let t=0;t<r.length;t++)e=e==null?r[t].size:Math.min(e,r[t].size);else if(r instanceof Object)for(let t in r)e=e==null?r[t].size:Math.min(e,r[t].size);return Tn(async()=>{let t=await ab(r,n=>{if(n instanceof Ni)return{value:n.iterator(),recurse:!1};if(Zl(n))return{value:null,recurse:!0};throw new Error("Leaves of the structure passed to zip() must be Datasets, not primitives.")});return DG(t,Qa.SHORTEST)},e)}function Bse(r){if(r===null)return null;let e=r[0];return NG(e)?{value:Vse(r),recurse:!1}:{value:null,recurse:!0}}function Vse(r){if(r.length===0)throw new Error("Can't make a batch of zero elements.");return r[0]instanceof Me?Ht(r):Nr(r)}var Xh=class extends Ni{constructor(e){super();this.input=e}async iterator(){return(await this.input.iterator()).decodeUTF8().split(`
`).map(o=>(o.endsWith("\r")&&(o=o.slice(0,-1)),o))}};var lb='"',Yh=Symbol("out"),HG=Symbol("field"),ub=Symbol("quote"),_S=Symbol("quoteafterquote"),KG=Symbol("quoteinquote"),Zh=class extends Ni{constructor(e,t){super();this.input=e,this.hasHeader=!0,this.fullColumnNames=null,this.columnNamesValidated=!1,this.columnConfigs=null,this.configuredColumnsOnly=!1,this.delimiter=",",this.delimWhitespace=!1,this.base=new Xh(e),t||(t={}),this.hasHeader=t.hasHeader!==!1,this.fullColumnNames=t.columnNames,this.columnConfigs=t.columnConfigs,this.configuredColumnsOnly=t.configuredColumnsOnly,t.delimWhitespace?(y.assert(t.delimiter==null,()=>"Delimiter should not be provided when delimWhitespace is true."),this.delimWhitespace=!0,this.delimiter=" "):this.delimiter=t.delimiter?t.delimiter:","}async columnNames(){return this.columnNamesValidated||await this.setColumnNames(),this.configuredColumnsOnly?Object.keys(this.columnConfigs):this.fullColumnNames}async setColumnNames(){let e=await this.maybeReadHeaderLine();if(!this.fullColumnNames&&!e)throw new Error("Column names must be provided if there is no header line.");this.fullColumnNames&&e&&y.assert(e.length===this.fullColumnNames.length,()=>"The length of provided columnNames ("+this.fullColumnNames.length.toString()+") does not match the length of the header line read from file ("+e.length.toString()+")."),this.fullColumnNames||(this.fullColumnNames=e);let t=this.fullColumnNames.reduce((o,s)=>(o[s]=o[s]+1||1,o),{}),n=Object.keys(t).filter(o=>t[o]>1);if(y.assert(n.length===0,()=>"Duplicate column names found: "+n.toString()),this.columnConfigs){for(let o of Object.keys(this.columnConfigs))if(this.fullColumnNames.indexOf(o)===-1)throw new Error('The key "'+o+'" provided in columnConfigs does not match any of the column names ('+this.fullColumnNames.toString()+").")}this.columnNamesValidated=!0}async maybeReadHeaderLine(){if(this.hasHeader){let t=await(await this.base.iterator()).next();if(t.done)throw new Error("No data was found for CSV parsing.");let n=t.value;return this.parseRow(n,!1)}else return null}async iterator(){this.columnNamesValidated||await this.setColumnNames();let e=await this.base.iterator();return this.hasHeader&&(e=e.skip(1)),e.map(t=>this.makeDataElement(t))}makeDataElement(e){let t=this.parseRow(e),n={},o={};for(let s=0;s<this.fullColumnNames.length;s++){let a=this.fullColumnNames[s],i=this.columnConfigs?this.columnConfigs[a]:null;if(!(this.configuredColumnsOnly&&!i)){let l=t[s],u=null;if(l==="")if(i&&i.default!==void 0)u=i.default;else{if(i&&(i.required||i.isLabel))throw new Error(`Required column ${a} is empty in this line: ${e}`);u=void 0}else{let c=Number(l);if(isNaN(c))i&&i.dtype==="bool"?u=this.getBoolean(l):u=l;else if(!i||!i.dtype)u=c;else switch(i.dtype){case"float32":u=c;break;case"int32":u=Math.floor(c);break;case"bool":u=this.getBoolean(l);break;default:u=c}}i&&i.isLabel?o[a]=u:n[a]=u}}return Object.keys(o).length===0?n:{xs:n,ys:o}}getBoolean(e){return e==="1"||e.toLowerCase()==="true"?1:0}parseRow(e,t=!0){let n=[],o=0,s=e.length,a=Yh;for(let i=0;i<s;i++)switch(a){case Yh:switch(e.charAt(i)){case lb:o=i+1,a=ub;break;case this.delimiter:if(o=i+1,this.delimiter===" "&&this.delimWhitespace)break;n.push(""),a=Yh;break;default:a=HG,o=i;break}break;case HG:switch(e.charAt(i)){case this.delimiter:n.push(e.substring(o,i)),a=Yh,o=i+1;break;default:}break;case ub:switch(e.charAt(i)){case lb:a=_S;break;default:}break;case _S:switch(e.charAt(i)){case this.delimiter:n.push(e.substring(o,i-1)),a=Yh,o=i+1;break;case lb:a=ub;break;default:a=KG;break}break;case KG:switch(e.charAt(i)){case lb:a=ub;break;default:}break;default:}if(a===_S?n.push(e.substring(o,s-1)):n.push(e.substring(o)),t&&n.length!==this.fullColumnNames.length)throw new Error(`Invalid row in csv file. Should have ${this.fullColumnNames.length} elements in a row, but got ${n}`);return n}};var Jh=class extends er{constructor(e){super();this.microphoneConfig=e,this.isClosed=!1,this.fftSize=e.fftSize||1024;let t=Math.log2(this.fftSize);if(this.fftSize<0||t<4||t>14||!Number.isInteger(t))throw new Error(`Inval
2021-02-21 19:34:26 +01:00
/**
* @license
2021-04-28 14:58:21 +02:00
* Copyright 2017 Google LLC. All Rights Reserved.
2021-02-21 19:34:26 +01:00
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* =============================================================================
*/
/**
* @license
2021-04-28 14:58:21 +02:00
* Copyright 2018 Google LLC
2021-02-21 19:34:26 +01:00
*
2021-04-28 14:58:21 +02:00
* Use of this source code is governed by an MIT-style
* license that can be found in the LICENSE file or at
* https://opensource.org/licenses/MIT.
2021-02-21 19:34:26 +01:00
* =============================================================================
*/
/**
* @license
* Copyright 2018 Google LLC. All Rights Reserved.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* =============================================================================
*/
/**
* @license
* Copyright 2018 Google LLC. All Rights Reserved.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* =============================================================================
*/
/**
* @license
2021-04-28 14:58:21 +02:00
* Copyright 2019 Google LLC
2021-02-21 19:34:26 +01:00
*
2021-04-28 14:58:21 +02:00
* Use of this source code is governed by an MIT-style
* license that can be found in the LICENSE file or at
* https://opensource.org/licenses/MIT.
2021-02-21 19:34:26 +01:00
* =============================================================================
*/
/**
* @license
2021-04-28 14:58:21 +02:00
* Copyright 2019 Google LLC. All Rights Reserved.
2021-02-21 19:34:26 +01:00
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* =============================================================================
*/
/**
* @license
2021-04-28 14:58:21 +02:00
* Copyright 2019 Google LLC. All Rights Reserved.
2021-02-21 19:34:26 +01:00
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* =============================================================================
*/
/**
* @license
2021-04-28 14:58:21 +02:00
* Copyright 2020 Google Inc. All Rights Reserved.
2021-02-21 19:34:26 +01:00
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* =============================================================================
*/
/**
* @license
2021-04-28 14:58:21 +02:00
* Copyright 2020 Google LLC
2021-02-21 19:34:26 +01:00
*
2021-04-28 14:58:21 +02:00
* Use of this source code is governed by an MIT-style
* license that can be found in the LICENSE file or at
* https://opensource.org/licenses/MIT.
2021-02-21 19:34:26 +01:00
* =============================================================================
*/
/**
* @license
2021-04-28 14:58:21 +02:00
* Copyright 2020 Google LLC. All Rights Reserved.
2021-02-21 19:34:26 +01:00
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* =============================================================================
*/
/**
* @license
2021-04-28 14:58:21 +02:00
* Copyright 2020 Google LLC. All Rights Reserved.
* Licensed under the Apache License, Version 2.0 (the License);
2021-02-21 19:34:26 +01:00
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
2021-04-28 14:58:21 +02:00
* distributed under the License is distributed on an AS IS BASIS,
2021-02-21 19:34:26 +01:00
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* =============================================================================
*/
/**
* @license
2021-04-28 14:58:21 +02:00
* Copyright 2021 Google LLC. All Rights Reserved.
2021-02-21 19:34:26 +01:00
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* =============================================================================
*/
/**
* @license
* Copyright 2021 Google LLC. All Rights Reserved.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* =============================================================================
*/
2021-04-28 14:58:21 +02:00
/** @license See the LICENSE file. */
2020-11-17 18:38:48 +01:00
//# sourceMappingURL=tfjs.esm.js.map