add scatter algos from ompi

[simgrid.git] / src / smpi / smpi_global.c

diff --git a/src/smpi/smpi_global.c b/src/smpi/smpi_global.c
index 189bac1..d980dfc 100644 (file)
--- a/src/smpi/smpi_global.c
+++ b/src/smpi/smpi_global.c
@@ -408,6 +408,18 @@ int smpi_main(int (*realmain) (int argc, char *argv[]),int argc, char *argv[])
                                  MPI_Op op, int root, MPI_Comm comm))
                        mpi_coll_reduce_description[reduce_id].coll;
 
+  int reduce_scatter_id = find_coll_description(mpi_coll_reduce_scatter_description,
+                                           sg_cfg_get_string("smpi/reduce_scatter"));
+  mpi_coll_reduce_scatter_fun = (int (*)(void *sbuf, void *rbuf, int *rcounts,\
+                    MPI_Datatype dtype,MPI_Op  op,MPI_Comm  comm))
+                          mpi_coll_reduce_scatter_description[reduce_scatter_id].coll;
+
+  int scatter_id = find_coll_description(mpi_coll_scatter_description,
+                                           sg_cfg_get_string("smpi/scatter"));
+  mpi_coll_scatter_fun = (int (*)(void *sendbuf, int sendcount, MPI_Datatype sendtype,\
+                void *recvbuf, int recvcount, MPI_Datatype recvtype,\
+                int root, MPI_Comm comm))
+                          mpi_coll_scatter_description[scatter_id].coll;
   smpi_global_init();
 
   /* Clean IO before the run */