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| 1 | +#ifndef CUDADataFormats_SiPixelCluster_interface_SiPixelClustersCUDA_h |
| 2 | +#define CUDADataFormats_SiPixelCluster_interface_SiPixelClustersCUDA_h |
| 3 | + |
| 4 | +#include "HeterogeneousCore/CUDAUtilities/interface/device_unique_ptr.h" |
| 5 | +#include "HeterogeneousCore/CUDAUtilities/interface/host_unique_ptr.h" |
| 6 | + |
| 7 | +#include <cuda/api_wrappers.h> |
| 8 | + |
| 9 | +class SiPixelClustersCUDA { |
| 10 | +public: |
| 11 | + SiPixelClustersCUDA() = default; |
| 12 | + explicit SiPixelClustersCUDA(size_t maxClusters, cuda::stream_t<>& stream); |
| 13 | + ~SiPixelClustersCUDA() = default; |
| 14 | + |
| 15 | + SiPixelClustersCUDA(const SiPixelClustersCUDA&) = delete; |
| 16 | + SiPixelClustersCUDA& operator=(const SiPixelClustersCUDA&) = delete; |
| 17 | + SiPixelClustersCUDA(SiPixelClustersCUDA&&) = default; |
| 18 | + SiPixelClustersCUDA& operator=(SiPixelClustersCUDA&&) = default; |
| 19 | + |
| 20 | + void setNClusters(uint32_t nClusters) { |
| 21 | + nClusters_h = nClusters; |
| 22 | + } |
| 23 | + |
| 24 | + uint32_t nClusters() const { return nClusters_h; } |
| 25 | + |
| 26 | + uint32_t *moduleStart() { return moduleStart_d.get(); } |
| 27 | + uint32_t *clusInModule() { return clusInModule_d.get(); } |
| 28 | + uint32_t *moduleId() { return moduleId_d.get(); } |
| 29 | + uint32_t *clusModuleStart() { return clusModuleStart_d.get(); } |
| 30 | + |
| 31 | + uint32_t const *moduleStart() const { return moduleStart_d.get(); } |
| 32 | + uint32_t const *clusInModule() const { return clusInModule_d.get(); } |
| 33 | + uint32_t const *moduleId() const { return moduleId_d.get(); } |
| 34 | + uint32_t const *clusModuleStart() const { return clusModuleStart_d.get(); } |
| 35 | + |
| 36 | + uint32_t const *c_moduleStart() const { return moduleStart_d.get(); } |
| 37 | + uint32_t const *c_clusInModule() const { return clusInModule_d.get(); } |
| 38 | + uint32_t const *c_moduleId() const { return moduleId_d.get(); } |
| 39 | + uint32_t const *c_clusModuleStart() const { return clusModuleStart_d.get(); } |
| 40 | + |
| 41 | + class DeviceConstView { |
| 42 | + public: |
| 43 | + DeviceConstView() = default; |
| 44 | + |
| 45 | +#ifdef __CUDACC__ |
| 46 | + __device__ __forceinline__ uint32_t moduleStart(int i) const { return __ldg(moduleStart_+i); } |
| 47 | + __device__ __forceinline__ uint32_t clusInModule(int i) const { return __ldg(clusInModule_+i); } |
| 48 | + __device__ __forceinline__ uint32_t moduleId(int i) const { return __ldg(moduleId_+i); } |
| 49 | + __device__ __forceinline__ uint32_t clusModuleStart(int i) const { return __ldg(clusModuleStart_+i); } |
| 50 | +#endif |
| 51 | + |
| 52 | + friend SiPixelClustersCUDA; |
| 53 | + |
| 54 | + private: |
| 55 | + uint32_t const *moduleStart_; |
| 56 | + uint32_t const *clusInModule_; |
| 57 | + uint32_t const *moduleId_; |
| 58 | + uint32_t const *clusModuleStart_; |
| 59 | + }; |
| 60 | + |
| 61 | + DeviceConstView *view() const { return view_d.get(); } |
| 62 | + |
| 63 | +private: |
| 64 | + cudautils::device::unique_ptr<uint32_t[]> moduleStart_d; // index of the first pixel of each module |
| 65 | + cudautils::device::unique_ptr<uint32_t[]> clusInModule_d; // number of clusters found in each module |
| 66 | + cudautils::device::unique_ptr<uint32_t[]> moduleId_d; // module id of each module |
| 67 | + |
| 68 | + // originally from rechits |
| 69 | + cudautils::device::unique_ptr<uint32_t[]> clusModuleStart_d; |
| 70 | + |
| 71 | + cudautils::device::unique_ptr<DeviceConstView> view_d; // "me" pointer |
| 72 | + |
| 73 | + uint32_t nClusters_h; |
| 74 | +}; |
| 75 | + |
| 76 | +#endif |
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