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#include "CUDADataFormats/EcalDigi/interface/DigisCollection.h"
#include "CondFormats/DataRecord/interface/EcalMappingElectronicsRcd.h"
#include "CondFormats/EcalObjects/interface/ElectronicsMappingGPU.h"
#include "DataFormats/EcalDigi/interface/EcalDigiCollections.h"
#include "DataFormats/FEDRawData/interface/FEDRawDataCollection.h"
#include "FWCore/Framework/interface/Event.h"
#include "FWCore/Framework/interface/EventSetup.h"
#include "FWCore/Framework/interface/MakerMacros.h"
#include "FWCore/Framework/interface/stream/EDProducer.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "FWCore/Utilities/interface/ESGetToken.h"
#include "HeterogeneousCore/CUDACore/interface/ScopedContext.h"
#include "HeterogeneousCore/CUDAUtilities/interface/cudaCheck.h"
#include "DeclsForKernels.h"
#include "UnpackGPU.h"
class EcalRawToDigiGPU : public edm::stream::EDProducer<edm::ExternalWork> {
public:
explicit EcalRawToDigiGPU(edm::ParameterSet const& ps);
~EcalRawToDigiGPU() override = default;
static void fillDescriptions(edm::ConfigurationDescriptions&);
private:
void acquire(edm::Event const&, edm::EventSetup const&, edm::WaitingTaskWithArenaHolder) override;
void produce(edm::Event&, edm::EventSetup const&) override;
private:
edm::EDGetTokenT<FEDRawDataCollection> rawDataToken_;
using OutputProduct = cms::cuda::Product<ecal::DigisCollection<calo::common::DevStoragePolicy>>;
edm::EDPutTokenT<OutputProduct> digisEBToken_, digisEEToken_;
edm::ESGetToken<ecal::raw::ElectronicsMappingGPU, EcalMappingElectronicsRcd> eMappingToken_;
cms::cuda::ContextState cudaState_;
std::vector<int> fedsToUnpack_;
ecal::raw::ConfigurationParameters config_;
ecal::raw::OutputDataGPU outputGPU_;
ecal::raw::OutputDataCPU outputCPU_;
};
void EcalRawToDigiGPU::fillDescriptions(edm::ConfigurationDescriptions& confDesc) {
edm::ParameterSetDescription desc;
desc.add<edm::InputTag>("InputLabel", edm::InputTag("rawDataCollector"));
std::vector<int> feds(54);
for (uint32_t i = 0; i < 54; ++i)
feds[i] = i + 601;
desc.add<std::vector<int>>("FEDs", feds);
desc.add<uint32_t>("maxChannelsEB", 61200);
desc.add<uint32_t>("maxChannelsEE", 14648);
desc.add<std::string>("digisLabelEB", "ebDigis");
desc.add<std::string>("digisLabelEE", "eeDigis");
std::string label = "ecalRawToDigiGPU";
confDesc.add(label, desc);
}
EcalRawToDigiGPU::EcalRawToDigiGPU(const edm::ParameterSet& ps)
: rawDataToken_{consumes<FEDRawDataCollection>(ps.getParameter<edm::InputTag>("InputLabel"))},
digisEBToken_{produces<OutputProduct>(ps.getParameter<std::string>("digisLabelEB"))},
digisEEToken_{produces<OutputProduct>(ps.getParameter<std::string>("digisLabelEE"))},
eMappingToken_{esConsumes<ecal::raw::ElectronicsMappingGPU, EcalMappingElectronicsRcd>()},
fedsToUnpack_{ps.getParameter<std::vector<int>>("FEDs")} {
config_.maxChannelsEB = ps.getParameter<uint32_t>("maxChannelsEB");
config_.maxChannelsEE = ps.getParameter<uint32_t>("maxChannelsEE");
}
void EcalRawToDigiGPU::acquire(edm::Event const& event,
edm::EventSetup const& setup,
edm::WaitingTaskWithArenaHolder holder) {
// raii
cms::cuda::ScopedContextAcquire ctx{event.streamID(), std::move(holder), cudaState_};
// conditions
edm::ESHandle<ecal::raw::ElectronicsMappingGPU> eMappingHandle = setup.getHandle(eMappingToken_);
auto const& eMappingProduct = eMappingHandle->getProduct(ctx.stream());
// bundle up conditions
ecal::raw::ConditionsProducts conditions{eMappingProduct};
// event data
edm::Handle<FEDRawDataCollection> rawDataHandle;
event.getByToken(rawDataToken_, rawDataHandle);
// scratch
ecal::raw::ScratchDataGPU scratchGPU = {cms::cuda::make_device_unique<uint32_t[]>(2, ctx.stream())};
// make a first iteration over the FEDs to compute the total buffer size
uint32_t size = 0;
uint32_t feds = 0;
for (auto const& fed : fedsToUnpack_) {
auto const& data = rawDataHandle->FEDData(fed);
auto const nbytes = data.size();
// skip empty FEDs
if (nbytes < globalFieds::EMPTYEVENTSIZE)
continue;
size += nbytes;
++feds;
}
// input cpu data
ecal::raw::InputDataCPU inputCPU = {cms::cuda::make_host_unique<unsigned char[]>(size, ctx.stream()),
cms::cuda::make_host_unique<uint32_t[]>(feds, ctx.stream()),
cms::cuda::make_host_unique<int[]>(feds, ctx.stream())};
// input data gpu
ecal::raw::InputDataGPU inputGPU = {cms::cuda::make_device_unique<unsigned char[]>(size, ctx.stream()),
cms::cuda::make_device_unique<uint32_t[]>(feds, ctx.stream()),
cms::cuda::make_device_unique<int[]>(feds, ctx.stream())};
// output cpu
outputCPU_ = {cms::cuda::make_host_unique<uint32_t[]>(2, ctx.stream())};
// initialize the number of channels
outputCPU_.nchannels[0] = 0;
outputCPU_.nchannels[1] = 0;
// output gpu
outputGPU_.allocate(config_, ctx.stream());
// iterate over FEDs to fill the cpu buffer
uint32_t currentCummOffset = 0;
uint32_t counter = 0;
for (auto const& fed : fedsToUnpack_) {
auto const& data = rawDataHandle->FEDData(fed);
auto const nbytes = data.size();
// skip empty FEDs
if (nbytes < globalFieds::EMPTYEVENTSIZE)
continue;
// copy raw data into plain buffer
std::memcpy(inputCPU.data.get() + currentCummOffset, data.data(), nbytes);
// set the offset in bytes from the start
inputCPU.offsets[counter] = currentCummOffset;
inputCPU.feds[counter] = fed;
// this is the current offset into the vector
currentCummOffset += nbytes;
++counter;
}
assert(currentCummOffset == size);
assert(counter == feds);
// unpack if at least one FED has data
if (counter > 0) {
ecal::raw::entryPoint(
inputCPU, inputGPU, outputGPU_, scratchGPU, outputCPU_, conditions, ctx.stream(), counter, currentCummOffset);
}
}
void EcalRawToDigiGPU::produce(edm::Event& event, edm::EventSetup const& setup) {
cms::cuda::ScopedContextProduce ctx{cudaState_};
// get the number of channels
outputGPU_.digisEB.size = outputCPU_.nchannels[0];
outputGPU_.digisEE.size = outputCPU_.nchannels[1];
ctx.emplace(event, digisEBToken_, std::move(outputGPU_.digisEB));
ctx.emplace(event, digisEEToken_, std::move(outputGPU_.digisEE));
// reset ptrs that are carried as members
outputCPU_.nchannels.reset();
}
DEFINE_FWK_MODULE(EcalRawToDigiGPU);
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