
https://github.com/lix19937/trt-samples-for-hackathon-cn/blob/master/cookbook/04-BuildEngineByONNXParser/pyTorch-ONNX-TensorRT/calibrator.py

https://github.com/NVIDIA/TensorRT/issues/3858

https://github.com/NVIDIA/TensorRT/issues/3708  

https://github.com/NVIDIA/TensorRT/issues/2757

https://github.com/NVIDIA/TensorRT/issues/2561

https://docs.nvidia.com/deeplearning/tensorrt/developer-guide/index.html#opt_profiles    
