add butterfly algorithm from openmpi

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

diff --git a/src/smpi/colls/smpi_openmpi_selector.cpp b/src/smpi/colls/smpi_openmpi_selector.cpp
index d1607bd..5a76200 100644 (file)
--- a/src/smpi/colls/smpi_openmpi_selector.cpp
+++ b/src/smpi/colls/smpi_openmpi_selector.cpp
@@ -16,7 +16,6 @@ add algos:
 allreduce nonoverlapping, basic linear
 alltoall linear_sync
 bcast chain
-reduce_scatter butterfly
 scatter linear_nb
 */
 
@@ -780,7 +779,7 @@ int reduce_scatter__ompi(const void *sbuf, void *rbuf,
         &reduce_scatter__default,
         &reduce_scatter__ompi_basic_recursivehalving,
         &reduce_scatter__ompi_ring,
-        &reduce_scatter__ompi_ring,
+        &reduce_scatter__ompi_butterfly,
     };
     /** Algorithms:
      *  {1, "non-overlapping"},