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Staggered updates : Schur fixed and added a unit test for Test_staggered_cg_schur.cc giving stronger check

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This commit is contained in:
Azusa Yamaguchi
2017-10-26 20:58:46 +01:00
parent f9e28577f3
commit 034de160bf
6 changed files with 103 additions and 16 deletions
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18
lib/communicator/Communicator_mpit.cc
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@ -224,13 +224,14 @@ double CartesianCommunicator::StencilSendToRecvFromBegin(std::vector<CommsReques
{
int myrank = _processor;
int ierr;
assert(dir < communicator_halo.size());
int ncomm =communicator_halo.size();
int commdir=dir%ncomm;
// std::cout << " sending on communicator "<<dir<<" " <<communicator_halo[dir]<<std::endl;
// Give the CPU to MPI immediately; can use threads to overlap optionally
MPI_Request req[2];
MPI_Irecv(recv,bytes,MPI_CHAR,recv_from_rank,recv_from_rank, communicator_halo[dir],&req[1]);
MPI_Isend(xmit,bytes,MPI_CHAR,xmit_to_rank ,myrank , communicator_halo[dir],&req[0]);
MPI_Irecv(recv,bytes,MPI_CHAR,recv_from_rank,recv_from_rank, communicator_halo[commdir],&req[1]);
MPI_Isend(xmit,bytes,MPI_CHAR,xmit_to_rank ,myrank , communicator_halo[commdir],&req[0]);
list.push_back(req[0]);
list.push_back(req[1]);
@ -249,13 +250,14 @@ double CartesianCommunicator::StencilSendToRecvFrom(void *xmit,
{
int myrank = _processor;
int ierr;
assert(dir < communicator_halo.size());
// std::cout << " sending on communicator "<<dir<<" " <<communicator_halo[dir]<<std::endl;
// std::cout << " sending on communicator "<<dir<<" " <<communicator_halo.size()<< <std::endl;
int ncomm =communicator_halo.size();
int commdir=dir%ncomm;
// Give the CPU to MPI immediately; can use threads to overlap optionally
MPI_Request req[2];
MPI_Irecv(recv,bytes,MPI_CHAR,recv_from_rank,recv_from_rank, communicator_halo[dir],&req[1]);
MPI_Isend(xmit,bytes,MPI_CHAR,xmit_to_rank ,myrank , communicator_halo[dir],&req[0]);
MPI_Irecv(recv,bytes,MPI_CHAR,recv_from_rank,recv_from_rank, communicator_halo[commdir],&req[1]);
MPI_Isend(xmit,bytes,MPI_CHAR,xmit_to_rank ,myrank , communicator_halo[commdir],&req[0]);
MPI_Waitall(2, req, MPI_STATUSES_IGNORE);
return 2.0*bytes;
}