TrackingRecHitSoADevice< TrackerTraits > Class Template Reference

#include <TrackingRecHitSoADevice.h>

Inheritance diagram for TrackingRecHitSoADevice< TrackerTraits >:

Public Types
using	AverageGeometry = typename hitSoA::AverageGeometry
using	hitSoA = TrackingRecHitSoA< TrackerTraits >
using	ParamsOnGPU = typename hitSoA::ParamsOnGPU
Public Types inherited from cms::cuda::PortableDeviceCollection< TrackingRecHitLayout< TrackerTraits > >
using	Buffer = cms::cuda::device::unique_ptr< std::byte[]>
using	ConstView = typename Layout::ConstView
using	Layout = TrackingRecHitLayout< TrackerTraits >
using	View = typename Layout::View

Public Member Functions
cms::cuda::host::unique_ptr< uint32_t[]>	hitsModuleStartToHostAsync (cudaStream_t stream) const
cms::cuda::host::unique_ptr< float[]>	localCoordToHostAsync (cudaStream_t stream) const
uint32_t	nHits () const
uint32_t	offsetBPIX2 () const
	TrackingRecHitSoADevice ()=default
	TrackingRecHitSoADevice (uint32_t nHits, int32_t offsetBPIX2, ParamsOnGPU const *cpeParams, uint32_t const *hitsModuleStart, cudaStream_t stream)
Public Member Functions inherited from cms::cuda::PortableDeviceCollection< TrackingRecHitLayout< TrackerTraits > >
Buffer &	buffer ()
Buffer const &	buffer () const
size_t	bufferSize () const
Buffer const &	const_buffer () const
ConstView const &	const_view () const
View &	operator* ()
ConstView const &	operator* () const
View *	operator-> ()
ConstView const *	operator-> () const
PortableDeviceCollection &	operator= (PortableDeviceCollection const &)=delete
PortableDeviceCollection &	operator= (PortableDeviceCollection &&)=default
	PortableDeviceCollection ()=default
	PortableDeviceCollection (int32_t elements, cudaStream_t stream)
	PortableDeviceCollection (PortableDeviceCollection const &)=delete
	PortableDeviceCollection (PortableDeviceCollection &&)=default
View &	view ()
ConstView const &	view () const
	~PortableDeviceCollection ()=default

Private Attributes
uint32_t	offsetBPIX2_ = 0

Detailed Description

template<typename TrackerTraits>
class TrackingRecHitSoADevice< TrackerTraits >

Definition at line 12 of file TrackingRecHitSoADevice.h.

Member Typedef Documentation

AverageGeometry

template<typename TrackerTraits>

using TrackingRecHitSoADevice< TrackerTraits >::AverageGeometry = typename hitSoA::AverageGeometry

Definition at line 23 of file TrackingRecHitSoADevice.h.

hitSoA

template<typename TrackerTraits>

using TrackingRecHitSoADevice< TrackerTraits >::hitSoA = TrackingRecHitSoA<TrackerTraits>

Definition at line 14 of file TrackingRecHitSoADevice.h.

ParamsOnGPU

template<typename TrackerTraits>

using TrackingRecHitSoADevice< TrackerTraits >::ParamsOnGPU = typename hitSoA::ParamsOnGPU

Definition at line 24 of file TrackingRecHitSoADevice.h.

Constructor & Destructor Documentation

TrackingRecHitSoADevice() [1/2]

template<typename TrackerTraits>

TrackingRecHitSoADevice< TrackerTraits >::TrackingRecHitSoADevice ( )

default

TrackingRecHitSoADevice() [2/2]

template<typename TrackerTraits>

TrackingRecHitSoADevice< TrackerTraits >::TrackingRecHitSoADevice ( uint32_t  nHits, int32_t  offsetBPIX2, ParamsOnGPU const *  cpeParams, uint32_t const *  hitsModuleStart, cudaStream_t  stream  )

inlineexplicit

Definition at line 27 of file TrackingRecHitSoADevice.h.

References cudaCheck, data, TrackingRecHitSoADevice< TrackerTraits >::nHits(), phase1PixelTopology::numberOfModules, TrackingRecHitSoADevice< TrackerTraits >::offsetBPIX2(), cms::cuda::stream, and cms::cuda::PortableDeviceCollection< TrackingRecHitLayout< TrackerTraits > >::view().

      : cms::cuda::PortableDeviceCollection<TrackingRecHitLayout<TrackerTraits>>(nHits, stream),
        offsetBPIX2_(offsetBPIX2) {
    cudaCheck(cudaMemcpyAsync(&(view().nHits()), &nHits, sizeof(uint32_t), cudaMemcpyDefault, stream));
    // hitsModuleStart is on Device
    cudaCheck(cudaMemcpyAsync(view().hitsModuleStart().data(),
                              hitsModuleStart,
                              sizeof(uint32_t) * int(TrackerTraits::numberOfModules + 1),
                              cudaMemcpyDefault,
                              stream));
    cudaCheck(cudaMemcpyAsync(&(view().offsetBPIX2()), &offsetBPIX2, sizeof(int32_t), cudaMemcpyDefault, stream));

    // cpeParams argument is a pointer to device memory, copy
    // its contents into the Layout.
    cudaCheck(cudaMemcpyAsync(&(view().cpeParams()), cpeParams, int(sizeof(ParamsOnGPU)), cudaMemcpyDefault, stream));
  }

Member Function Documentation

hitsModuleStartToHostAsync()

template<typename TrackerTraits>

cms::cuda::host::unique_ptr<uint32_t[]> TrackingRecHitSoADevice< TrackerTraits >::hitsModuleStartToHostAsync ( cudaStream_t  stream ) const

inline

Definition at line 59 of file TrackingRecHitSoADevice.h.

References cudaCheck, phase1PixelTopology::numberOfModules, runTheMatrix::ret, cms::cuda::stream, and cms::cuda::PortableDeviceCollection< TrackingRecHitLayout< TrackerTraits > >::view().

                                                                                          {
    auto ret = cms::cuda::make_host_unique<uint32_t[]>(TrackerTraits::numberOfModules + 1, stream);
    cudaCheck(cudaMemcpyAsync(ret.get(),
                              view().hitsModuleStart().data(),
                              sizeof(uint32_t) * (TrackerTraits::numberOfModules + 1),
                              cudaMemcpyDefault,
                              stream));
    return ret;
  }

localCoordToHostAsync()

template<typename TrackerTraits>

cms::cuda::host::unique_ptr<float[]> TrackingRecHitSoADevice< TrackerTraits >::localCoordToHostAsync ( cudaStream_t  stream ) const

inline

Definition at line 48 of file TrackingRecHitSoADevice.h.

References cudaCheck, ALCARECOEcalPhiSym_cff::float, TrackingRecHitSoADevice< TrackerTraits >::nHits(), runTheMatrix::ret, cms::cuda::stream, and cms::cuda::PortableDeviceCollection< TrackingRecHitLayout< TrackerTraits > >::view().

                                                                                  {
    auto ret = cms::cuda::make_host_unique<float[]>(4 * nHits(), stream);
    size_t rowSize = sizeof(float) * nHits();

    size_t srcPitch = ptrdiff_t(view().yLocal()) - ptrdiff_t(view().xLocal());
    cudaCheck(
        cudaMemcpy2DAsync(ret.get(), rowSize, view().xLocal(), srcPitch, rowSize, 4, cudaMemcpyDeviceToHost, stream));

    return ret;
  }  //move to utilities

nHits()

template<typename TrackerTraits>

uint32_t TrackingRecHitSoADevice< TrackerTraits >::nHits ( ) const

inline

Definition at line 69 of file TrackingRecHitSoADevice.h.

References cms::cuda::PortableDeviceCollection< TrackingRecHitLayout< TrackerTraits > >::view().

Referenced by TrackingRecHitSoADevice< TrackerTraits >::localCoordToHostAsync(), CAHitNtupletGeneratorOnGPU< TrackerTraits >::makeTuplesAsync(), and TrackingRecHitSoADevice< TrackerTraits >::TrackingRecHitSoADevice().

{ return view().metadata().size(); }

offsetBPIX2()

template<typename TrackerTraits>

uint32_t TrackingRecHitSoADevice< TrackerTraits >::offsetBPIX2 ( ) const

inline

Definition at line 70 of file TrackingRecHitSoADevice.h.

References TrackingRecHitSoADevice< TrackerTraits >::offsetBPIX2_.

Referenced by CAHitNtupletGeneratorOnGPU< TrackerTraits >::makeTuplesAsync(), and TrackingRecHitSoADevice< TrackerTraits >::TrackingRecHitSoADevice().

                               {
    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

Member Data Documentation

offsetBPIX2_

template<typename TrackerTraits>

uint32_t TrackingRecHitSoADevice< TrackerTraits >::offsetBPIX2_ = 0

private

Definition at line 74 of file TrackingRecHitSoADevice.h.

Referenced by TrackingRecHitSoADevice< TrackerTraits >::offsetBPIX2().