Class Env

Env class that holds detected capabilities

Hierarchy

  • Env

Constructors

constructor

Properties

Canvas Image ImageData agent backends browser cpu filter initial kernels node offscreen perfadd platform tensorflow tfjs wasm webgl webgpu worker

Methods

updateBackend updateCPU

Constructors

constructor

Properties

Canvas

Canvas: undefined

MonkeyPatch for Canvas

Image

Image: undefined

MonkeyPatch for Image

ImageData

ImageData: undefined

MonkeyPatch for ImageData

agent

agent: string = ''

Detected agent

backends

backends: string[] = []

List of supported backends

browser

browser: boolean

Running in Browser

cpu

cpu: { flags: string[]; model: undefined | string } = ...

CPU info

Type declaration

  • flags: string[]
  • model: undefined | string

filter

filter: undefined | boolean

Are image filters supported?

initial

initial: boolean

Has any work been performed so far

kernels

kernels: string[] = []

List of supported kernels for current backend

node

node: boolean

Running in NodeJS

offscreen

offscreen: undefined | boolean

Is offscreenCanvas supported?

perfadd

perfadd: boolean = false

Are performance counter instant values or additive

platform

platform: string = ''

Detected platform

tensorflow

tensorflow: { gpu: undefined | boolean; version: undefined | string } = ...

If using tfjs-node get version of underlying tensorflow shared library and if gpu acceleration is enabled

Type declaration

  • gpu: undefined | boolean
  • version: undefined | string

tfjs

tfjs: { version: undefined | string }

TFJS instance details

Type declaration

  • version: undefined | string

wasm

wasm: { backend: undefined | boolean; multithread: undefined | boolean; simd: undefined | boolean; supported: undefined | boolean } = ...

WASM detected capabilities

Type declaration

  • backend: undefined | boolean
  • multithread: undefined | boolean
  • simd: undefined | boolean
  • supported: undefined | boolean

webgl

webgl: { backend: undefined | boolean; renderer: undefined | string; supported: undefined | boolean; version: undefined | string } = ...

WebGL detected capabilities

Type declaration

  • backend: undefined | boolean
  • renderer: undefined | string
  • supported: undefined | boolean
  • version: undefined | string

webgpu

webgpu: { adapter: undefined | string; backend: undefined | boolean; supported: undefined | boolean } = ...

WebGPU detected capabilities

Type declaration

  • adapter: undefined | string
  • backend: undefined | boolean
  • supported: undefined | boolean

worker

worker: boolean

Running in WebWorker thread

Methods

updateBackend

  • update backend information

    Returns Promise<void>

updateCPU

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