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[simgrid.git] / src / smpi / colls / smpi_intel_mpi_selector.cpp

diff --git a/src/smpi/colls/smpi_intel_mpi_selector.cpp b/src/smpi/colls/smpi_intel_mpi_selector.cpp
index 43138e3..ee2dfe0 100644 (file)
--- a/src/smpi/colls/smpi_intel_mpi_selector.cpp
+++ b/src/smpi/colls/smpi_intel_mpi_selector.cpp
@@ -1069,7 +1069,7 @@ static  int  intel_reduce_scatter_recursivehalving(void *sbuf, void *rbuf,
                                                     MPI_Op  op,
                                                     MPI_Comm  comm)
 {
-  if(smpi_op_is_commute(op))
+  if(op==MPI_OP_NULL || op->is_commutative())
     return smpi_coll_tuned_reduce_scatter_ompi_basic_recursivehalving(sbuf, rbuf, rcounts,dtype, op,comm);
   else
     return smpi_coll_tuned_reduce_scatter_mvapich2(sbuf, rbuf, rcounts,dtype, op,comm);