replace barrier with fence

2021-04-30 15:44:45 -06:00
parent 60566be1d6
commit f94be3af55
1 changed files with 1 additions and 1 deletions
--- a/one_sided.cpp
+++ b/one_sided.cpp
@@ -39,7 +39,7 @@ int main(int argc, char **argv) {
  std::cout << "rank " << rank << " put to " << target << std::endl << std::flush;
  MPI_Put(&rank, 1, MPI_INT, target, 0, 1, MPI_INT, win);   

-  MPI_Barrier(MPI_COMM_WORLD);
+  MPI_Win_fence(0, win);

  int err = 0;