57 lines
1.6 KiB
C++
57 lines
1.6 KiB
C++
// Copyright (2019-2023) Paul Scherrer Institute
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#ifndef JUNGFRAUJOCH_GPUIMAGEANALYSIS_H
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#define JUNGFRAUJOCH_GPUIMAGEANALYSIS_H
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#include <vector>
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#include "StrongPixelSet.h"
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struct spot_parameters {
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float strong_pixel_threshold2;
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uint32_t count_threshold;
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uint32_t nbx;
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uint32_t nby;
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uint32_t lines;
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uint32_t cols;
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int16_t min_viable_number;
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};
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struct CudaStreamWrapper;
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class GPUImageAnalysis {
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std::mutex m;
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CudaStreamWrapper *cudastream;
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const int32_t xpixels;
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const int32_t ypixels;
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int16_t *host_in = nullptr;
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int16_t *gpu_in = nullptr;
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uint32_t *gpu_out = nullptr;
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uint32_t *host_out = nullptr;
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int numberOfSMs;
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const int numberOfCudaThreads = 128; // #threads per block that works well for Nvidia T4
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const int numberOfWaves = 40; // #waves that works well for Nvidia T4
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const int windowSizeLimit = 21; // limit on the window size (2nby+1, 2nbx+1) to prevent shared memory problems
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public:
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GPUImageAnalysis(int32_t xpixels, int32_t ypixels);
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~GPUImageAnalysis();
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void SetInputBuffer(void *host_in);
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void LoadDataToGPU();
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void RunSpotFinder(const JFJochProtoBuf::DataProcessingSettings &settings);
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void GetSpotFinderResults(StrongPixelSet &pixel_set);
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void GetSpotFinderResults(const DiffractionExperiment &experiment, const JFJochProtoBuf::DataProcessingSettings &settings,
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std::vector<DiffractionSpot> &vec);
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static bool GPUPresent();
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void RegisterBuffer();
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void UnregisterBuffer();
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};
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#endif //JUNGFRAUJOCH_GPUIMAGEANALYSIS_H
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