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Synch ranks on node here for GPU - GPU memcopy

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This commit is contained in:
Peter Boyle 2022-08-04 13:35:56 -04:00
parent 75bb6b2b40
commit 06d9ce1a02
1 changed files with 1 additions and 0 deletions
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Grid/communicator/Communicator_mpi3.cc
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@ -406,6 +406,7 @@ double CartesianCommunicator::StencilSendToRecvFromBegin(std::vector<CommsReques
void CartesianCommunicator::StencilSendToRecvFromComplete(std::vector<CommsRequest_t> &list,int dir)
{
acceleratorCopySynchronise();
StencilBarrier();// Synch shared memory on a single nodes
int nreq=list.size();