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0001 #ifndef HeterogeneousCore_AlpakaCore_interface_alpaka_stream_SynchronizingEDProducer_h
0002 #define HeterogeneousCore_AlpakaCore_interface_alpaka_stream_SynchronizingEDProducer_h
0003
0004 #include "FWCore/Concurrency/interface/WaitingTaskWithArenaHolder.h"
0005 #include "FWCore/Framework/interface/stream/EDProducer.h"
0006 #include "HeterogeneousCore/AlpakaCore/interface/alpaka/EDMetadataAcquireSentry.h"
0007 #include "HeterogeneousCore/AlpakaCore/interface/alpaka/EDMetadataSentry.h"
0008 #include "HeterogeneousCore/AlpakaCore/interface/alpaka/Event.h"
0009 #include "HeterogeneousCore/AlpakaCore/interface/alpaka/EventSetup.h"
0010 #include "HeterogeneousCore/AlpakaCore/interface/alpaka/ProducerBase.h"
0011 #include "HeterogeneousCore/AlpakaInterface/interface/config.h"
0012
0013 namespace ALPAKA_ACCELERATOR_NAMESPACE {
0014 namespace stream {
0015 template <typename... Args>
0016 class SynchronizingEDProducer : public ProducerBase<edm::stream::EDProducer, edm::ExternalWork, Args...> {
0017 static_assert(
0018 not edm::CheckAbility<edm::module::Abilities::kExternalWork, Args...>::kHasIt,
0019 "ExternalWork ability is redundant with ALPAKA_ACCELERATOR_NAMESPACE::stream::SynchronizingEDProducer."
0020 "Please remove it.");
0021 using Base = ProducerBase<edm::stream::EDProducer, edm::ExternalWork, Args...>;
0022
0023 protected:
0024 SynchronizingEDProducer(edm::ParameterSet const iConfig) : Base(iConfig) {}
0025
0026 public:
0027 void acquire(edm::Event const& iEvent,
0028 edm::EventSetup const& iSetup,
0029 edm::WaitingTaskWithArenaHolder holder) final {
0030 detail::EDMetadataAcquireSentry sentry(iEvent.streamID(), std::move(holder), this->synchronize());
0031 device::Event const ev(iEvent, sentry.metadata());
0032 device::EventSetup const es(iSetup, ev.device());
0033 acquire(ev, es);
0034 metadata_ = sentry.finish();
0035 }
0036
0037 void produce(edm::Event& iEvent, edm::EventSetup const& iSetup) final {
0038 detail::EDMetadataSentry sentry(std::move(metadata_), this->synchronize());
0039 device::Event ev(iEvent, sentry.metadata());
0040 device::EventSetup const es(iSetup, ev.device());
0041 produce(ev, es);
0042 this->putBackend(iEvent);
0043 sentry.finish(ev.wasQueueUsed());
0044 }
0045
0046 virtual void acquire(device::Event const& iEvent, device::EventSetup const& iSetup) = 0;
0047
0048 virtual void produce(device::Event& iEvent, device::EventSetup const& iSetup) = 0;
0049
0050 private:
0051 std::shared_ptr<EDMetadata> metadata_;
0052 };
0053 }
0054 }
0055
0056 #endif