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Shmem comms [NO MPI] target added. The dwf test runs and passes.

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Not really shaken out to my satisfaction though as I want more tests done, so don't declare as working.
But committing my current while I try a few experimentals.
This commit is contained in:
Peter Boyle
2016-02-14 14:24:38 -06:00
parent 294dbf1bf0
commit 41c2b09184
14 changed files with 157 additions and 31 deletions
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8
lib/Stencil.h
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@ -114,15 +114,19 @@ namespace Grid {
}
void Communicate(void ) {
typedef CartesianCommunicator::CommsRequest_t CommsRequest_t;
std::vector<CommsRequest_t> reqs(0);
commtime-=usecond();
for(int i=0;i<Packets.size();i++){
_grid->SendToRecvFrom(Packets[i].send_buf,
_grid->SendToRecvFromBegin(reqs,
Packets[i].send_buf,
Packets[i].to_rank,
Packets[i].recv_buf,
Packets[i].from_rank,
Packets[i].bytes);
Packets[i].done = 1;
}
_grid->SendToRecvFromComplete(reqs);
commtime+=usecond();
}
@ -648,7 +652,7 @@ PARALLEL_FOR_LOOP
int recv_from_rank;
int xmit_to_rank;
_grid->ShiftedRanks(dimension,comm_proc,xmit_to_rank,recv_from_rank);
assert (xmit_to_rank != _grid->ThisRank());
assert (xmit_to_rank != _grid->ThisRank());
assert (recv_from_rank != _grid->ThisRank());
// FIXME Implement asynchronous send & also avoid buffer copy