Merge pull request #105 from nicoleavans/osu-barrier

Remove Unnecessary Barriers in OSU Latency Tests
kokkos · Jul 8, 2024 · 3de7bdb · 3de7bdb
2 parents 5c14fd2 + 7dd9d6b
commit 3de7bdb
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diff --git a/perf_tests/test_osu_latency_isendirecv.cpp b/perf_tests/test_osu_latency_isendirecv.cpp
@@ -35,7 +35,6 @@ void osu_latency_Kokkos_Comm_isendirecv(benchmark::State &, MPI_Comm comm, const
 
 template <typename View>
 void osu_latency_MPI_isendirecv(benchmark::State &, MPI_Comm comm, int rank, const View &v) {
-  MPI_Barrier(comm);
   MPI_Request sendreq, recvreq;
   if (rank == 0) {
     MPI_Irecv(v.data(), v.size(), KokkosComm::Impl::mpi_type<typename View::value_type>(), 1, 0, comm, &recvreq);

diff --git a/perf_tests/test_osu_latency_sendrecv.cpp b/perf_tests/test_osu_latency_sendrecv.cpp
@@ -32,7 +32,6 @@ void osu_latency_Kokkos_Comm_sendrecv(benchmark::State &, MPI_Comm comm, const S
 
 template <typename View>
 void osu_latency_MPI_sendrecv(benchmark::State &, MPI_Comm comm, int rank, const View &v) {
-  MPI_Barrier(comm);
   if (rank == 0) {
     MPI_Recv(v.data(), v.size(), KokkosComm::Impl::mpi_type<typename View::value_type>(), 1, 0, comm,
              MPI_STATUS_IGNORE);