HcalGainWidthsGPU Class Reference

#include <HcalGainWidthsGPU.h>

Classes
struct	Product

Public Member Functions
const Product &	getProduct (cudaStream_t) const
	HcalGainWidthsGPU (HcalGainWidths const &)
	~HcalGainWidthsGPU ()=default

Private Attributes
cms::cuda::ESProduct< Product >	product_
uint64_t	totalChannels_
std::vector< float, cms::cuda::HostAllocator< float > >	value0_
std::vector< float, cms::cuda::HostAllocator< float > >	value1_
std::vector< float, cms::cuda::HostAllocator< float > >	value2_
std::vector< float, cms::cuda::HostAllocator< float > >	value3_

Detailed Description

Definition at line 13 of file HcalGainWidthsGPU.h.

Constructor & Destructor Documentation

HcalGainWidthsGPU()

HcalGainWidthsGPU::HcalGainWidthsGPU

(

HcalGainWidths const &

gains

)

Definition at line 7 of file HcalGainWidthsGPU.cc.

    : totalChannels_{gains.getAllContainers()[0].second.size() + gains.getAllContainers()[1].second.size()},
      value0_(totalChannels_),
      value1_(totalChannels_),
      value2_(totalChannels_),
      value3_(totalChannels_) {
  auto const gainContainers = gains.getAllContainers();
 
  // fill in eb
  auto const& barrelValues = gainContainers[0].second;
  for (uint64_t i = 0; i < barrelValues.size(); ++i) {
    value0_[i] = barrelValues[i].getValue(0);
    value1_[i] = barrelValues[i].getValue(1);
    value2_[i] = barrelValues[i].getValue(2);
    value3_[i] = barrelValues[i].getValue(3);
  }
 
  // fill in ee
  auto const& endcapValues = gainContainers[1].second;
  auto const offset = barrelValues.size();
  for (uint64_t i = 0; i < endcapValues.size(); ++i) {
    value0_[i + offset] = endcapValues[i].getValue(0);
    value1_[i + offset] = endcapValues[i].getValue(1);
    value2_[i + offset] = endcapValues[i].getValue(2);
    value3_[i + offset] = endcapValues[i].getValue(3);
  }
}

References HcalCondObjectContainer< Item >::getAllContainers().

~HcalGainWidthsGPU()

HcalGainWidthsGPU::~HcalGainWidthsGPU ( )

default

Member Function Documentation

getProduct()

HcalGainWidthsGPU::Product const & HcalGainWidthsGPU::getProduct

(

cudaStream_t

stream

)

const

Definition at line 35 of file HcalGainWidthsGPU.cc.

                                                                                       {
  auto const& product =
      product_.dataForCurrentDeviceAsync(stream, [this](HcalGainWidthsGPU::Product& product, cudaStream_t stream) {
        // allocate
        product.value0 = cms::cuda::make_device_unique<float[]>(value0_.size(), stream);
        product.value1 = cms::cuda::make_device_unique<float[]>(value1_.size(), stream);
        product.value2 = cms::cuda::make_device_unique<float[]>(value2_.size(), stream);
        product.value3 = cms::cuda::make_device_unique<float[]>(value3_.size(), stream);
 
        // transfer
        cms::cuda::copyAsync(product.value0, value0_, stream);
        cms::cuda::copyAsync(product.value1, value1_, stream);
        cms::cuda::copyAsync(product.value2, value2_, stream);
        cms::cuda::copyAsync(product.value3, value3_, stream);
      });
 
  return product;
}

References cms::cuda::copyAsync(), product_, cms::cuda::stream, HcalGainWidthsGPU::Product::value0, value0_, HcalGainWidthsGPU::Product::value1, value1_, HcalGainWidthsGPU::Product::value2, value2_, HcalGainWidthsGPU::Product::value3, and value3_.

Referenced by HBHERecHitProducerGPU::acquire().

Member Data Documentation

product_

cms::cuda::ESProduct<Product> HcalGainWidthsGPU::product_

private

Definition at line 36 of file HcalGainWidthsGPU.h.

Referenced by getProduct().

totalChannels_

uint64_t HcalGainWidthsGPU::totalChannels_

private

Definition at line 33 of file HcalGainWidthsGPU.h.

value0_

std::vector<float, cms::cuda::HostAllocator<float> > HcalGainWidthsGPU::value0_

private

Definition at line 34 of file HcalGainWidthsGPU.h.

Referenced by getProduct().

value1_

std::vector<float, cms::cuda::HostAllocator<float> > HcalGainWidthsGPU::value1_

private

Definition at line 34 of file HcalGainWidthsGPU.h.

Referenced by getProduct().

value2_

std::vector<float, cms::cuda::HostAllocator<float> > HcalGainWidthsGPU::value2_

private

Definition at line 34 of file HcalGainWidthsGPU.h.

Referenced by getProduct().

value3_

std::vector<float, cms::cuda::HostAllocator<float> > HcalGainWidthsGPU::value3_

private

Definition at line 34 of file HcalGainWidthsGPU.h.

Referenced by getProduct().