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#ifndef CUDADataFormats_RecHits_TrackingRecHitsHost_h
#define CUDADataFormats_RecHits_TrackingRecHitsHost_h
#include <cstdint>
#include "CUDADataFormats/TrackingRecHit/interface/TrackingRecHitsUtilities.h"
#include "CUDADataFormats/Common/interface/PortableHostCollection.h"
#include "HeterogeneousCore/CUDAUtilities/interface/host_unique_ptr.h"
#include "HeterogeneousCore/CUDAUtilities/interface/cudaCheck.h"
template <typename TrackerTraits>
class TrackingRecHitSoAHost : public cms::cuda::PortableHostCollection<TrackingRecHitLayout<TrackerTraits>> {
public:
using hitSoA = TrackingRecHitSoA<TrackerTraits>;
//Need to decorate the class with the inherited portable accessors being now a template
using cms::cuda::PortableHostCollection<TrackingRecHitLayout<TrackerTraits>>::view;
using cms::cuda::PortableHostCollection<TrackingRecHitLayout<TrackerTraits>>::const_view;
using cms::cuda::PortableHostCollection<TrackingRecHitLayout<TrackerTraits>>::buffer;
using cms::cuda::PortableHostCollection<TrackingRecHitLayout<TrackerTraits>>::bufferSize;
TrackingRecHitSoAHost() = default;
using AverageGeometry = typename hitSoA::AverageGeometry;
using ParamsOnGPU = typename hitSoA::ParamsOnGPU;
using PhiBinnerStorageType = typename hitSoA::PhiBinnerStorageType;
using PhiBinner = typename hitSoA::PhiBinner;
// This SoA Host is used basically only for DQM
// so we just need a slim constructor
explicit TrackingRecHitSoAHost(uint32_t nHits)
: cms::cuda::PortableHostCollection<TrackingRecHitLayout<TrackerTraits>>(nHits) {}
explicit TrackingRecHitSoAHost(uint32_t nHits, cudaStream_t stream)
: cms::cuda::PortableHostCollection<TrackingRecHitLayout<TrackerTraits>>(nHits, stream) {}
explicit TrackingRecHitSoAHost(uint32_t nHits,
int32_t offsetBPIX2,
ParamsOnGPU const* cpeParams,
uint32_t const* hitsModuleStart)
: cms::cuda::PortableHostCollection<TrackingRecHitLayout<TrackerTraits>>(nHits), offsetBPIX2_(offsetBPIX2) {
view().nHits() = nHits;
std::copy(hitsModuleStart, hitsModuleStart + TrackerTraits::numberOfModules + 1, view().hitsModuleStart().begin());
memcpy(&(view().cpeParams()), cpeParams, sizeof(ParamsOnGPU));
view().offsetBPIX2() = offsetBPIX2;
}
explicit TrackingRecHitSoAHost(uint32_t nHits,
int32_t offsetBPIX2,
ParamsOnGPU const* cpeParams,
uint32_t const* hitsModuleStart,
cudaStream_t stream)
: cms::cuda::PortableHostCollection<TrackingRecHitLayout<TrackerTraits>>(nHits, stream),
offsetBPIX2_(offsetBPIX2) {
view().nHits() = nHits;
std::copy(hitsModuleStart, hitsModuleStart + TrackerTraits::numberOfModules + 1, view().hitsModuleStart().begin());
memcpy(&(view().cpeParams()), cpeParams, sizeof(ParamsOnGPU));
view().offsetBPIX2() = offsetBPIX2;
}
uint32_t nHits() const { return view().metadata().size(); }
uint32_t offsetBPIX2() const {
return offsetBPIX2_;
} //offsetBPIX2 is used on host functions so is useful to have it also stored in the class and not only in the layout
private:
uint32_t offsetBPIX2_ = 0;
};
using TrackingRecHitSoAHostPhase1 = TrackingRecHitSoAHost<pixelTopology::Phase1>;
using TrackingRecHitSoAHostPhase2 = TrackingRecHitSoAHost<pixelTopology::Phase2>;
using TrackingRecHitSoAHostHIonPhase1 = TrackingRecHitSoAHost<pixelTopology::HIonPhase1>;
#endif // CUDADataFormats_Track_TrackHeterogeneousT_H
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