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randInt8Calibrator.h
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1 /*
2 * Copyright (c) 2018, NVIDIA CORPORATION. All rights reserved.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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19 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
20 * DEALINGS IN THE SOFTWARE.
21 */
22
23 #ifndef __RAND_INT8_CALIBRATOR_H__
24 #define __RAND_INT8_CALIBRATOR_H__
25
26 #include "tensorNet.h"
27
28 #include <map>
29 #include <string>
30 #include <vector>
31
32
33 #if NV_TENSORRT_MAJOR >= 4
34
40 class randInt8Calibrator : public nvinfer1::IInt8EntropyCalibrator
41 {
42 public:
46 randInt8Calibrator( int totalSamples, std::string cacheFile,
47const std::map<std::string, nvinfer1::Dims3>& inputDimensions );
48
52 ~randInt8Calibrator();
53
57inline int getBatchSize() const NOEXCEPT override { return 1; }
58
62bool getBatch(void* bindings[], const char* names[], int nbBindings) NOEXCEPT override;
63
67const void* readCalibrationCache(size_t& length) NOEXCEPT override;
68
72virtual void writeCalibrationCache(const void*, size_t) NOEXCEPT override;
73
74 private:
75int mTotalSamples;
76int mCurrentSample;
77
78 std::string mCacheFile;
79 std::map<std::string, void*> mInputDeviceBuffers;
80 std::map<std::string, nvinfer1::Dims3> mInputDimensions;
81 std::vector<char> mCalibrationCache;
82 };
83
84 #endif
85 #endif
86
#define NOEXCEPT
Definition: tensorNet.h:73
__host__ __device__ float length(float2 v)
Definition: cudaMath.h:1563