diff --git a/test/test.log b/test/test.log
index 26ebfb7b..739ec23e 100644
--- a/test/test.log
+++ b/test/test.log
@@ -616,3 +616,131 @@
 2021-04-16 18:04:09 ERROR: test-node-wasm.js failed: model server: request to http://localhost:10030/models/ failed, reason: connect ECONNREFUSED 127.0.0.1:10030 
 2021-04-16 18:04:09 ERROR: test-node-wasm.js aborting test 
 2021-04-16 18:04:09 INFO:  status: {"passed":50,"failed":1} 
+2021-04-19 16:19:38 INFO:  @vladmandic/human version 1.6.0 
+2021-04-19 16:19:38 INFO:  User: vlado Platform: linux Arch: x64 Node: v15.7.0 
+2021-04-19 16:19:38 INFO:  tests: ["test-node.js","test-node-gpu.js","test-node-wasm.js"] 
+2021-04-19 16:19:38 INFO:  test-node.js start 
+2021-04-19 16:19:39 STATE: test-node.js passed: create human 
+2021-04-19 16:19:39 INFO:  test-node.js human version: 1.6.0 
+2021-04-19 16:19:39 INFO:  test-node.js platform: linux x64 agent: NodeJS v15.7.0 
+2021-04-19 16:19:39 INFO:  test-node.js tfjs version: 3.4.0 
+2021-04-19 16:19:39 STATE: test-node.js passed: set backend: tensorflow 
+2021-04-19 16:19:39 STATE: test-node.js passed: load models 
+2021-04-19 16:19:39 STATE: test-node.js  result: defined models: 12 loaded models: 6 
+2021-04-19 16:19:39 STATE: test-node.js passed: warmup: none default 
+2021-04-19 16:19:40 STATE: test-node.js passed: warmup: face default 
+2021-04-19 16:19:40 DATA:  test-node.js  result: face: 1 body: 0 hand: 0 gesture: 5 object: 1 {"confidence":1,"age":23.6,"gender":"female"} {"score":0.52,"class":"person"} {} 
+2021-04-19 16:19:40 DATA:  test-node.js  result: performance: load: 347 total: 712 
+2021-04-19 16:19:41 STATE: test-node.js passed: warmup: body default 
+2021-04-19 16:19:41 DATA:  test-node.js  result: face: 1 body: 1 hand: 0 gesture: 3 object: 3 {"confidence":1,"age":28.5,"gender":"female"} {"score":0.86,"class":"person"} {"score":0.95,"keypoints":17} 
+2021-04-19 16:19:41 DATA:  test-node.js  result: performance: load: 347 total: 717 
+2021-04-19 16:19:41 INFO:  test-node.js test body variants 
+2021-04-19 16:19:42 STATE: test-node.js passed: load image: assets/human-sample-body.jpg [1,1200,1200,3] 
+2021-04-19 16:19:42 STATE: test-node.js passed: detect: assets/human-sample-body.jpg posenet 
+2021-04-19 16:19:42 DATA:  test-node.js  result: face: 1 body: 1 hand: 0 gesture: 3 object: 3 {"confidence":1,"age":28.5,"gender":"female"} {"score":0.86,"class":"person"} {"score":0.95,"keypoints":17} 
+2021-04-19 16:19:42 DATA:  test-node.js  result: performance: load: 347 total: 721 
+2021-04-19 16:19:43 STATE: test-node.js passed: load image: assets/human-sample-body.jpg [1,1200,1200,3] 
+2021-04-19 16:19:44 STATE: test-node.js passed: detect: assets/human-sample-body.jpg efficientpose 
+2021-04-19 16:19:44 DATA:  test-node.js  result: face: 1 body: 1 hand: 0 gesture: 3 object: 3 {"confidence":1,"age":28.5,"gender":"female"} {"score":0.86,"class":"person"} {"score":0.75,"keypoints":13} 
+2021-04-19 16:19:44 DATA:  test-node.js  result: performance: load: 347 total: 1124 
+2021-04-19 16:19:45 STATE: test-node.js passed: load image: assets/human-sample-body.jpg [1,1200,1200,3] 
+2021-04-19 16:19:46 STATE: test-node.js passed: detect: assets/human-sample-body.jpg blazepose 
+2021-04-19 16:19:46 DATA:  test-node.js  result: face: 1 body: 1 hand: 0 gesture: 3 object: 3 {"confidence":1,"age":28.5,"gender":"female"} {"score":0.86,"class":"person"} {"score":1,"keypoints":39} 
+2021-04-19 16:19:46 DATA:  test-node.js  result: performance: load: 347 total: 981 
+2021-04-19 16:19:47 STATE: test-node.js passed: detect: random default 
+2021-04-19 16:19:47 DATA:  test-node.js  result: face: 0 body: 1 hand: 0 gesture: 1 object: 0 {} {} {"score":1,"keypoints":39} 
+2021-04-19 16:19:47 DATA:  test-node.js  result: performance: load: 347 total: 547 
+2021-04-19 16:19:47 INFO:  test-node.js test: first instance 
+2021-04-19 16:19:47 STATE: test-node.js passed: load image: assets/sample-me.jpg [1,700,700,3] 
+2021-04-19 16:19:48 STATE: test-node.js passed: detect: assets/sample-me.jpg default 
+2021-04-19 16:19:48 DATA:  test-node.js  result: face: 1 body: 1 hand: 0 gesture: 6 object: 2 {"confidence":1,"age":39.2,"gender":"male"} {"score":0.7,"class":"person"} {"score":1,"keypoints":39} 
+2021-04-19 16:19:48 DATA:  test-node.js  result: performance: load: 347 total: 893 
+2021-04-19 16:19:48 INFO:  test-node.js test: second instance 
+2021-04-19 16:19:48 STATE: test-node.js passed: load image: assets/sample-me.jpg [1,700,700,3] 
+2021-04-19 16:19:49 STATE: test-node.js passed: detect: assets/sample-me.jpg default 
+2021-04-19 16:19:49 DATA:  test-node.js  result: face: 1 body: 1 hand: 0 gesture: 6 object: 2 {"confidence":1,"age":39.2,"gender":"male"} {"score":0.7,"class":"person"} {"score":1,"keypoints":39} 
+2021-04-19 16:19:49 DATA:  test-node.js  result: performance: load: 3 total: 524 
+2021-04-19 16:19:49 INFO:  test-node.js test: concurrent 
+2021-04-19 16:19:49 STATE: test-node.js passed: load image: assets/human-sample-face.jpg [1,256,256,3] 
+2021-04-19 16:19:49 STATE: test-node.js passed: load image: assets/human-sample-face.jpg [1,256,256,3] 
+2021-04-19 16:19:50 STATE: test-node.js passed: load image: assets/human-sample-body.jpg [1,1200,1200,3] 
+2021-04-19 16:19:51 STATE: test-node.js passed: load image: assets/human-sample-body.jpg [1,1200,1200,3] 
+2021-04-19 16:19:53 STATE: test-node.js passed: detect: assets/human-sample-face.jpg default 
+2021-04-19 16:19:53 DATA:  test-node.js  result: face: 1 body: 1 hand: 0 gesture: 6 object: 1 {"confidence":1,"age":23.6,"gender":"female"} {"score":0.53,"class":"person"} {"score":1,"keypoints":39} 
+2021-04-19 16:19:53 DATA:  test-node.js  result: performance: load: 347 total: 2263 
+2021-04-19 16:19:53 STATE: test-node.js passed: detect: assets/human-sample-face.jpg default 
+2021-04-19 16:19:53 DATA:  test-node.js  result: face: 1 body: 1 hand: 0 gesture: 6 object: 1 {"confidence":1,"age":23.6,"gender":"female"} {"score":0.53,"class":"person"} {"score":1,"keypoints":39} 
+2021-04-19 16:19:53 DATA:  test-node.js  result: performance: load: 3 total: 2263 
+2021-04-19 16:19:53 STATE: test-node.js passed: detect: assets/human-sample-body.jpg default 
+2021-04-19 16:19:53 DATA:  test-node.js  result: face: 1 body: 1 hand: 0 gesture: 3 object: 3 {"confidence":1,"age":28.5,"gender":"female"} {"score":0.86,"class":"person"} {"score":1,"keypoints":39} 
+2021-04-19 16:19:53 DATA:  test-node.js  result: performance: load: 347 total: 2263 
+2021-04-19 16:19:53 STATE: test-node.js passed: detect: assets/human-sample-body.jpg default 
+2021-04-19 16:19:53 DATA:  test-node.js  result: face: 1 body: 1 hand: 0 gesture: 3 object: 3 {"confidence":1,"age":28.5,"gender":"female"} {"score":0.86,"class":"person"} {"score":1,"keypoints":39} 
+2021-04-19 16:19:53 DATA:  test-node.js  result: performance: load: 3 total: 2263 
+2021-04-19 16:19:53 INFO:  test-node.js test complete: 13944 ms 
+2021-04-19 16:19:53 INFO:  test-node-gpu.js start 
+2021-04-19 16:19:54 WARN:  test-node-gpu.js stderr: 2021-04-19 16:19:54.178373: W tensorflow/stream_executor/platform/default/dso_loader.cc:60] Could not load dynamic library 'libcudart.so.11.0'; dlerror: libcudart.so.11.0: cannot open shared object file: No such file or directory 
+2021-04-19 16:19:54 WARN:  test-node-gpu.js stderr: 2021-04-19 16:19:54.359998: W tensorflow/stream_executor/platform/default/dso_loader.cc:60] Could not load dynamic library 'libcuda.so.1'; dlerror: libcuda.so.1: cannot open shared object file: No such file or directory 
+2021-04-19 16:19:54 WARN:  test-node-gpu.js stderr: 2021-04-19 16:19:54.360044: I tensorflow/stream_executor/cuda/cuda_diagnostics.cc:156] kernel driver does not appear to be running on this host (wyse): /proc/driver/nvidia/version does not exist 
+2021-04-19 16:19:54 STATE: test-node-gpu.js passed: create human 
+2021-04-19 16:19:54 INFO:  test-node-gpu.js human version: 1.6.0 
+2021-04-19 16:19:54 INFO:  test-node-gpu.js platform: linux x64 agent: NodeJS v15.7.0 
+2021-04-19 16:19:54 INFO:  test-node-gpu.js tfjs version: 3.4.0 
+2021-04-19 16:19:54 STATE: test-node-gpu.js passed: set backend: tensorflow 
+2021-04-19 16:19:54 STATE: test-node-gpu.js passed: load models 
+2021-04-19 16:19:54 STATE: test-node-gpu.js  result: defined models: 12 loaded models: 6 
+2021-04-19 16:19:54 STATE: test-node-gpu.js passed: warmup: none default 
+2021-04-19 16:19:55 STATE: test-node-gpu.js passed: warmup: face default 
+2021-04-19 16:19:55 DATA:  test-node-gpu.js  result: face: 1 body: 0 hand: 0 gesture: 5 object: 1 {"confidence":1,"age":23.6,"gender":"female"} {"score":0.52,"class":"person"} {} 
+2021-04-19 16:19:55 DATA:  test-node-gpu.js  result: performance: load: 327 total: 878 
+2021-04-19 16:19:56 STATE: test-node-gpu.js passed: warmup: body default 
+2021-04-19 16:19:56 DATA:  test-node-gpu.js  result: face: 1 body: 1 hand: 0 gesture: 3 object: 3 {"confidence":1,"age":28.5,"gender":"female"} {"score":0.86,"class":"person"} {"score":0.95,"keypoints":17} 
+2021-04-19 16:19:56 DATA:  test-node-gpu.js  result: performance: load: 327 total: 711 
+2021-04-19 16:19:56 INFO:  test-node-gpu.js test body variants 
+2021-04-19 16:19:57 STATE: test-node-gpu.js passed: load image: assets/human-sample-body.jpg [1,1200,1200,3] 
+2021-04-19 16:19:57 STATE: test-node-gpu.js passed: detect: assets/human-sample-body.jpg posenet 
+2021-04-19 16:19:57 DATA:  test-node-gpu.js  result: face: 1 body: 1 hand: 0 gesture: 3 object: 3 {"confidence":1,"age":28.5,"gender":"female"} {"score":0.86,"class":"person"} {"score":0.95,"keypoints":17} 
+2021-04-19 16:19:57 DATA:  test-node-gpu.js  result: performance: load: 327 total: 711 
+2021-04-19 16:19:58 STATE: test-node-gpu.js passed: load image: assets/human-sample-body.jpg [1,1200,1200,3] 
+2021-04-19 16:19:59 STATE: test-node-gpu.js passed: detect: assets/human-sample-body.jpg efficientpose 
+2021-04-19 16:19:59 DATA:  test-node-gpu.js  result: face: 1 body: 1 hand: 0 gesture: 3 object: 3 {"confidence":1,"age":28.5,"gender":"female"} {"score":0.86,"class":"person"} {"score":0.75,"keypoints":13} 
+2021-04-19 16:19:59 DATA:  test-node-gpu.js  result: performance: load: 327 total: 1069 
+2021-04-19 16:20:00 STATE: test-node-gpu.js passed: load image: assets/human-sample-body.jpg [1,1200,1200,3] 
+2021-04-19 16:20:01 STATE: test-node-gpu.js passed: detect: assets/human-sample-body.jpg blazepose 
+2021-04-19 16:20:01 DATA:  test-node-gpu.js  result: face: 1 body: 1 hand: 0 gesture: 3 object: 3 {"confidence":1,"age":28.5,"gender":"female"} {"score":0.86,"class":"person"} {"score":1,"keypoints":39} 
+2021-04-19 16:20:01 DATA:  test-node-gpu.js  result: performance: load: 327 total: 741 
+2021-04-19 16:20:02 STATE: test-node-gpu.js passed: detect: random default 
+2021-04-19 16:20:02 DATA:  test-node-gpu.js  result: face: 0 body: 1 hand: 0 gesture: 1 object: 0 {} {} {"score":1,"keypoints":39} 
+2021-04-19 16:20:02 DATA:  test-node-gpu.js  result: performance: load: 327 total: 363 
+2021-04-19 16:20:02 INFO:  test-node-gpu.js test: first instance 
+2021-04-19 16:20:02 STATE: test-node-gpu.js passed: load image: assets/sample-me.jpg [1,700,700,3] 
+2021-04-19 16:20:02 STATE: test-node-gpu.js passed: detect: assets/sample-me.jpg default 
+2021-04-19 16:20:02 DATA:  test-node-gpu.js  result: face: 1 body: 1 hand: 0 gesture: 6 object: 2 {"confidence":1,"age":39.2,"gender":"male"} {"score":0.7,"class":"person"} {"score":1,"keypoints":39} 
+2021-04-19 16:20:02 DATA:  test-node-gpu.js  result: performance: load: 327 total: 641 
+2021-04-19 16:20:02 INFO:  test-node-gpu.js test: second instance 
+2021-04-19 16:20:03 STATE: test-node-gpu.js passed: load image: assets/sample-me.jpg [1,700,700,3] 
+2021-04-19 16:20:03 STATE: test-node-gpu.js passed: detect: assets/sample-me.jpg default 
+2021-04-19 16:20:03 DATA:  test-node-gpu.js  result: face: 1 body: 1 hand: 0 gesture: 6 object: 2 {"confidence":1,"age":39.2,"gender":"male"} {"score":0.7,"class":"person"} {"score":1,"keypoints":39} 
+2021-04-19 16:20:03 DATA:  test-node-gpu.js  result: performance: load: 15 total: 614 
+2021-04-19 16:20:03 INFO:  test-node-gpu.js test: concurrent 
+2021-04-19 16:20:03 STATE: test-node-gpu.js passed: load image: assets/human-sample-face.jpg [1,256,256,3] 
+2021-04-19 16:20:03 STATE: test-node-gpu.js passed: load image: assets/human-sample-face.jpg [1,256,256,3] 
+2021-04-19 16:20:04 STATE: test-node-gpu.js passed: load image: assets/human-sample-body.jpg [1,1200,1200,3] 
+2021-04-19 16:20:05 STATE: test-node-gpu.js passed: load image: assets/human-sample-body.jpg [1,1200,1200,3] 
+2021-04-19 16:20:07 STATE: test-node-gpu.js passed: detect: assets/human-sample-face.jpg default 
+2021-04-19 16:20:07 DATA:  test-node-gpu.js  result: face: 1 body: 1 hand: 0 gesture: 6 object: 1 {"confidence":1,"age":23.6,"gender":"female"} {"score":0.53,"class":"person"} {"score":1,"keypoints":39} 
+2021-04-19 16:20:07 DATA:  test-node-gpu.js  result: performance: load: 327 total: 2267 
+2021-04-19 16:20:07 STATE: test-node-gpu.js passed: detect: assets/human-sample-face.jpg default 
+2021-04-19 16:20:07 DATA:  test-node-gpu.js  result: face: 1 body: 1 hand: 0 gesture: 6 object: 1 {"confidence":1,"age":23.6,"gender":"female"} {"score":0.53,"class":"person"} {"score":1,"keypoints":39} 
+2021-04-19 16:20:07 DATA:  test-node-gpu.js  result: performance: load: 15 total: 2267 
+2021-04-19 16:20:07 STATE: test-node-gpu.js passed: detect: assets/human-sample-body.jpg default 
+2021-04-19 16:20:07 DATA:  test-node-gpu.js  result: face: 1 body: 1 hand: 0 gesture: 3 object: 3 {"confidence":1,"age":28.5,"gender":"female"} {"score":0.86,"class":"person"} {"score":1,"keypoints":39} 
+2021-04-19 16:20:07 DATA:  test-node-gpu.js  result: performance: load: 327 total: 2267 
+2021-04-19 16:20:07 STATE: test-node-gpu.js passed: detect: assets/human-sample-body.jpg default 
+2021-04-19 16:20:07 DATA:  test-node-gpu.js  result: face: 1 body: 1 hand: 0 gesture: 3 object: 3 {"confidence":1,"age":28.5,"gender":"female"} {"score":0.86,"class":"person"} {"score":1,"keypoints":39} 
+2021-04-19 16:20:07 DATA:  test-node-gpu.js  result: performance: load: 15 total: 2267 
+2021-04-19 16:20:07 INFO:  test-node-gpu.js test complete: 13425 ms 
+2021-04-19 16:20:07 INFO:  test-node-wasm.js start 
+2021-04-19 16:20:08 ERROR: test-node-wasm.js failed: model server: request to http://localhost:10030/models/ failed, reason: connect ECONNREFUSED 127.0.0.1:10030 
+2021-04-19 16:20:08 ERROR: test-node-wasm.js aborting test 
+2021-04-19 16:20:08 INFO:  status: {"passed":50,"failed":1}