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re-organized plugins and calibrators
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,114 @@ | ||
| /* | ||
| * Copyright (c) 2018, NVIDIA CORPORATION. All rights reserved. | ||
| * | ||
| * Permission is hereby granted, free of charge, to any person obtaining a | ||
| * copy of this software and associated documentation files (the "Software"), | ||
| * to deal in the Software without restriction, including without limitation | ||
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, | ||
| * and/or sell copies of the Software, and to permit persons to whom the | ||
| * Software is furnished to do so, subject to the following conditions: | ||
| * | ||
| * The above copyright notice and this permission notice shall be included in | ||
| * all copies or substantial portions of the Software. | ||
| * | ||
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | ||
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | ||
| * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | ||
| * DEALINGS IN THE SOFTWARE. | ||
| */ | ||
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| #include "randInt8Calibrator.h" | ||
| #include "cudaUtility.h" | ||
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| #include <random> | ||
| #include <iterator> | ||
| #include <fstream> | ||
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| #if NV_TENSORRT_MAJOR >= 4 | ||
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| //------------------------------------------------------------------------------------------------- | ||
| static inline int volume(nvinfer1::Dims dims) | ||
| { | ||
| return std::accumulate(dims.d, dims.d + dims.nbDims, 1, std::multiplies<int>()); | ||
| } | ||
| //------------------------------------------------------------------------------------------------- | ||
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| // constructor | ||
| randInt8Calibrator::randInt8Calibrator( int totalSamples, std::string cacheFile, const std::map<std::string, nvinfer1::Dims3>& inputDimensions ) | ||
| : mTotalSamples(totalSamples) | ||
| , mCurrentSample(0) | ||
| , mCacheFile(cacheFile) | ||
| , mInputDimensions(inputDimensions) | ||
| { | ||
| std::default_random_engine generator; | ||
| std::uniform_real_distribution<float> distribution(-1.0F, 1.0F); | ||
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| for( auto& elem : mInputDimensions ) | ||
| { | ||
| int elemCount = volume(elem.second); | ||
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| std::vector<float> rnd_data(elemCount); | ||
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| for( auto& val : rnd_data ) | ||
| val = distribution(generator); | ||
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| void* data; | ||
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| CUDA(cudaMalloc(&data, elemCount * sizeof(float))); | ||
| CUDA(cudaMemcpy(data, &rnd_data[0], elemCount * sizeof(float), cudaMemcpyHostToDevice)); | ||
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| mInputDeviceBuffers.insert(std::make_pair(elem.first, data)); | ||
| } | ||
| } | ||
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| // destructor | ||
| randInt8Calibrator::~randInt8Calibrator() | ||
| { | ||
| for( auto& elem : mInputDeviceBuffers ) | ||
| CUDA(cudaFree(elem.second)); | ||
| } | ||
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| // getBatch() | ||
| bool randInt8Calibrator::getBatch( void* bindings[], const char* names[], int nbBindings ) NOEXCEPT | ||
| { | ||
| if( mCurrentSample >= mTotalSamples ) | ||
| return false; | ||
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| for( int i = 0; i < nbBindings; ++i ) | ||
| bindings[i] = mInputDeviceBuffers[names[i]]; | ||
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| ++mCurrentSample; | ||
| return true; | ||
| } | ||
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| // readCalibrationCache() | ||
| const void* randInt8Calibrator::readCalibrationCache( size_t& length ) NOEXCEPT | ||
| { | ||
| mCalibrationCache.clear(); | ||
| std::ifstream input(mCacheFile, std::ios::binary); | ||
| input >> std::noskipws; | ||
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| if (input.good()) | ||
| std::copy(std::istream_iterator<char>(input), std::istream_iterator<char>(), std::back_inserter(mCalibrationCache)); | ||
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| length = mCalibrationCache.size(); | ||
| return length ? &mCalibrationCache[0] : nullptr; | ||
| } | ||
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| // writeCalibrationCache() | ||
| void randInt8Calibrator::writeCalibrationCache( const void*, size_t ) NOEXCEPT | ||
| { | ||
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| } | ||
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| #endif | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,86 @@ | ||
| /* | ||
| * Copyright (c) 2018, NVIDIA CORPORATION. All rights reserved. | ||
| * | ||
| * Permission is hereby granted, free of charge, to any person obtaining a | ||
| * copy of this software and associated documentation files (the "Software"), | ||
| * to deal in the Software without restriction, including without limitation | ||
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, | ||
| * and/or sell copies of the Software, and to permit persons to whom the | ||
| * Software is furnished to do so, subject to the following conditions: | ||
| * | ||
| * The above copyright notice and this permission notice shall be included in | ||
| * all copies or substantial portions of the Software. | ||
| * | ||
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | ||
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | ||
| * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | ||
| * DEALINGS IN THE SOFTWARE. | ||
| */ | ||
|
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| #ifndef __RAND_INT8_CALIBRATOR_H__ | ||
| #define __RAND_INT8_CALIBRATOR_H__ | ||
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| #include "tensorNet.h" | ||
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| #include <map> | ||
| #include <string> | ||
| #include <vector> | ||
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| #if NV_TENSORRT_MAJOR >= 4 | ||
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| /** | ||
| * Random INT8 Calibrator. | ||
| * This calibrator is for testing performance without needing | ||
| * sample datasets to generate the INT8 calibration table. | ||
| */ | ||
| class randInt8Calibrator : public nvinfer1::IInt8EntropyCalibrator | ||
| { | ||
| public: | ||
| /** | ||
| * Constructor | ||
| */ | ||
| randInt8Calibrator( int totalSamples, std::string cacheFile, | ||
| const std::map<std::string, nvinfer1::Dims3>& inputDimensions ); | ||
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| /** | ||
| * Destructor | ||
| */ | ||
| ~randInt8Calibrator(); | ||
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| /** | ||
| * getBatchSize() | ||
| */ | ||
| inline int getBatchSize() const NOEXCEPT override { return 1; } | ||
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| /** | ||
| * getBatch() | ||
| */ | ||
| bool getBatch(void* bindings[], const char* names[], int nbBindings) NOEXCEPT override; | ||
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| /** | ||
| * readCalibrationCache() | ||
| */ | ||
| const void* readCalibrationCache(size_t& length) NOEXCEPT override; | ||
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| /** | ||
| * writeCalibrationCache() | ||
| */ | ||
| virtual void writeCalibrationCache(const void*, size_t) NOEXCEPT override; | ||
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| private: | ||
| int mTotalSamples; | ||
| int mCurrentSample; | ||
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| std::string mCacheFile; | ||
| std::map<std::string, void*> mInputDeviceBuffers; | ||
| std::map<std::string, nvinfer1::Dims3> mInputDimensions; | ||
| std::vector<char> mCalibrationCache; | ||
| }; | ||
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| #endif | ||
| #endif | ||
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