From 576db786af400d829f8fbfab26bbe8d4b4343e9f Mon Sep 17 00:00:00 2001 From: Joseph Schuchart Date: Tue, 24 Nov 2020 10:09:14 +0100 Subject: [PATCH] coll/han: fix coll preference selection in mca_coll_han_comm_create_new Exclude HAN, don't include it. Signed-off-by: Joseph Schuchart (cherry picked from commit 33105b031bbc821a6c5d816c4801d62072347f9c) --- ompi/mca/coll/han/coll_han_subcomms.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/ompi/mca/coll/han/coll_han_subcomms.c b/ompi/mca/coll/han/coll_han_subcomms.c index 65a444757e..27e17caa21 100644 --- a/ompi/mca/coll/han/coll_han_subcomms.c +++ b/ompi/mca/coll/han/coll_han_subcomms.c @@ -116,7 +116,7 @@ int mca_coll_han_comm_create_new(struct ompi_communicator_t *comm, /* * This sub-communicator contains the ranks that share my node. */ - opal_info_set(&comm_info, "ompi_comm_coll_preference", "han"); + opal_info_set(&comm_info, "ompi_comm_coll_preference", "^han"); opal_info_set(&comm_info, "ompi_comm_coll_han_topo_level", "INTRA_NODE"); ompi_comm_split_type(comm, MPI_COMM_TYPE_SHARED, 0, &comm_info, low_comm);