AlpakaBackendProducer.cc

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#include "FWCore/Framework/interface/Frameworkfwd.h"
#include "FWCore/ParameterSet/interface/ConfigurationDescriptions.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "FWCore/ParameterSet/interface/ParameterSetDescription.h"
#include "FWCore/Utilities/interface/StreamID.h"
#include "HeterogeneousCore/AlpakaCore/interface/alpaka/Event.h"
#include "HeterogeneousCore/AlpakaCore/interface/alpaka/EventSetup.h"
#include "HeterogeneousCore/AlpakaCore/interface/alpaka/global/EDProducer.h"
#include "HeterogeneousCore/AlpakaInterface/interface/config.h"

namespace ALPAKA_ACCELERATOR_NAMESPACE {

  class AlpakaBackendProducer : public global::EDProducer<> {
  public:
    AlpakaBackendProducer(edm::ParameterSet const& config){};

    void produce(edm::StreamID sid, device::Event& event, device::EventSetup const&) const override {}

    static void fillDescriptions(edm::ConfigurationDescriptions& descriptions) {
      edm::ParameterSetDescription desc;
      descriptions.addWithDefaultLabel(desc);
      descriptions.setComment(
          "The alpaka EDProducer does not have any explicit products. "
          "Its only purpose is to produce a 'backend' value.");
    }
  };

}  // namespace ALPAKA_ACCELERATOR_NAMESPACE

#include "HeterogeneousCore/AlpakaCore/interface/alpaka/MakerMacros.h"
DEFINE_FWK_ALPAKA_MODULE(AlpakaBackendProducer);