cwpearson/mpi_test
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fix RMA sync bug

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This commit is contained in:
Carl William Pearson
2021-04-30 15:57:16 -06:00
parent 5e0e8a0f8e
commit 31a6e189c0
1 changed files with 5 additions and 1 deletions
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6
one_sided.cpp
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@@ -35,10 +35,14 @@ int main(int argc, char **argv) {
target = rank + 1; target = rank + 1;
} }
// start exposure of window
MPI_Win_fence(0, win);
// send our rank to the target window // send our rank to the target window
std::cout << "rank " << rank << " put to " << target << std::endl << std::flush; std::cout << "rank " << rank << " put to " << target << std::endl << std::flush;
MPI_Put(&rank, 1, MPI_INT, target, 0, 1, MPI_INT, win); MPI_Put(&rank, 1, MPI_INT, target, 0, 1, MPI_INT, win);
// end exposure of window
MPI_Win_fence(0, win); MPI_Win_fence(0, win);
int err = 0; int err = 0;
@@ -50,6 +54,6 @@ int main(int argc, char **argv) {
MPI_Win_free(&win); MPI_Win_free(&win);
MPI_Finalize(); MPI_Finalize();
std::cout << "rank " << rank << "completed" << std::endl << std::flush; std::cout << "rank " << rank << " completed" << std::endl << std::flush;
return err; return err;
} }