Copy the group when doing a comm_split, to avoid to have shared objects with referenc...

[simgrid.git] / src / smpi / colls / allreduce-lr.c

diff --git a/src/smpi/colls/allreduce-lr.c b/src/smpi/colls/allreduce-lr.c
index 81cb39210c842d8fb401a8ae468f6e5b9a797c1f..9bb41492893b6ca37e84fdd25f82180e2e4b2353 100644 (file)
--- a/src/smpi/colls/allreduce-lr.c
+++ b/src/smpi/colls/allreduce-lr.c
@@ -17,7 +17,7 @@ int
 smpi_coll_tuned_allreduce_lr(void *sbuf, void *rbuf, int rcount,
                              MPI_Datatype dtype, MPI_Op op, MPI_Comm comm)
 {
-  int tag = 5000;
+  int tag = COLL_TAG_ALLREDUCE;
   MPI_Status status;
   int rank, i, size, count;
   int send_offset, recv_offset;