X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/47e4cca49d664abf3f09a24d5dac4b67ff6ac8f3..c58613cc4fc2d6ace73c7f7840a71c7201afa2e2:/src/smpi/colls/allreduce-NTS.c

diff --git a/src/smpi/colls/allreduce-NTS.c b/src/smpi/colls/allreduce-NTS.c
index a8cf48d0c8..85c790b1f8 100644
--- a/src/smpi/colls/allreduce-NTS.c
+++ b/src/smpi/colls/allreduce-NTS.c
@@ -14,14 +14,14 @@ int
 smpi_coll_tuned_allreduce_NTS(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;
   int remainder, remainder_flag, remainder_offset;
 
-  rank = smpi_comm_rank(MPI_COMM_WORLD);
-  size = smpi_comm_size(MPI_COMM_WORLD);
+  rank = smpi_comm_rank(comm);
+  size = smpi_comm_size(comm);
 
   /* make it compatible with all data type */
   MPI_Aint extent;