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MPI3 working with a bounce through shared memory on my laptop.

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Longer term plan: make the "u_comm_buf" in Stencil point to the shared region and avoid the
send between ranks on same node.
This commit is contained in:
paboyle
2016-10-21 09:03:26 +01:00
parent 5b5925b8e5
commit a762b1fb71
8 changed files with 208 additions and 116 deletions
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11
lib/communicator/Communicator_mpi.cc
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@ -39,11 +39,11 @@ void CartesianCommunicator::Init(int *argc, char ***argv) {
}
}
int Rank(void) {
int pe;
MPI_Comm_rank(MPI_COMM_WORLD,&pe);
return pe;
}
int Rank(void) {
int pe;
MPI_Comm_rank(MPI_COMM_WORLD,&pe);
return pe;
}
CartesianCommunicator::CartesianCommunicator(const std::vector<int> &processors)
{
@ -168,7 +168,6 @@ void CartesianCommunicator::SendToRecvFromComplete(std::vector<CommsRequest_t> &
int nreq=list.size();
std::vector<MPI_Status> status(nreq);
int ierr = MPI_Waitall(nreq,&list[0],&status[0]);
assert(ierr==0);
}