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Enable blocking stencil send

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This commit is contained in:
Peter Boyle 2017-08-19 12:53:59 -04:00
parent d6472eda8d
commit 2f619482b8
1 changed files with 0 additions and 5 deletions
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5
lib/communicator/Communicator_mpit.cc
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@ -242,20 +242,15 @@ double CartesianCommunicator::StencilSendToRecvFromBegin(std::vector<CommsReques
int recv_from_rank, int recv_from_rank,
int bytes,int dir) int bytes,int dir)
{ {
assert(false);
/*
int myrank = _processor; int myrank = _processor;
int ierr; int ierr;
assert(dir < communicator_halo.size()); assert(dir < communicator_halo.size());
// std::cout << " sending on communicator "<<dir<<" " <<communicator_halo[dir]<<std::endl;
// Give the CPU to MPI immediately; can use threads to overlap optionally
ierr=MPI_Sendrecv(xmit,bytes,MPI_CHAR,xmit_to_rank,myrank, ierr=MPI_Sendrecv(xmit,bytes,MPI_CHAR,xmit_to_rank,myrank,
recv,bytes,MPI_CHAR,recv_from_rank, recv_from_rank, recv,bytes,MPI_CHAR,recv_from_rank, recv_from_rank,
communicator_halo[dir],MPI_STATUS_IGNORE); communicator_halo[dir],MPI_STATUS_IGNORE);
assert(ierr==0); assert(ierr==0);
return 2.0*bytes; return 2.0*bytes;
*/
} }
double CartesianCommunicator::StencilSendToRecvFrom(void *xmit, double CartesianCommunicator::StencilSendToRecvFrom(void *xmit,