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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.
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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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lib/Log.cc
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@ -73,7 +73,7 @@ void GridLogConfigure(std::vector<std::string> &logstreams) {
////////////////////////////////////////////////////////////
void Grid_quiesce_nodes(void) {
int me = 0;
#ifdef GRID_COMMS_MPI
#if defined(GRID_COMMS_MPI) || defined(GRID_COMMS_MPI3)
MPI_Comm_rank(MPI_COMM_WORLD, &me);
#endif
#ifdef GRID_COMMS_SHMEM