src/alpaka/EDMetadataSentry.cc

0001 #include "HeterogeneousCore/AlpakaCore/interface/alpaka/chooseDevice.h"
0002 #include "HeterogeneousCore/AlpakaCore/interface/alpaka/EDMetadataSentry.h"
0003 #include "HeterogeneousCore/AlpakaCore/interface/EventCache.h"
0004 #include "HeterogeneousCore/AlpakaCore/interface/QueueCache.h"
0005
0006 namespace ALPAKA_ACCELERATOR_NAMESPACE {
0007   namespace detail {
0008     EDMetadataSentry::EDMetadataSentry(edm::StreamID streamID) {
0009       auto const& device = detail::chooseDevice(streamID);
0010 #ifdef ALPAKA_ACC_CPU_B_SEQ_T_SEQ_ENABLED
0011       metadata_ = std::make_shared<EDMetadata>(cms::alpakatools::getQueueCache<Queue>().get(device));
0012 #else
0013       metadata_ = std::make_shared<EDMetadata>(cms::alpakatools::getQueueCache<Queue>().get(device),
0014                                                cms::alpakatools::getEventCache<Event>().get(device));
0015 #endif
0016     }
0017
0018     void EDMetadataSentry::finish(bool launchedAsyncWork) {
0019       if (launchedAsyncWork) {
0020         metadata_->recordEvent();
0021       } else {
0022         // If we are certain no asynchronous work was launched (i.e.
0023         // the Queue was not used in any way), there is no need to
0024         // synchronize, and the Event can be discarded.
0025         metadata_->discardEvent();
0026       }
0027     }
0028   }  // namespace detail
0029 }  // namespace ALPAKA_ACCELERATOR_NAMESPACE