3) allgather - inter between root of each SMP node
4) binomial_tree bcast inside each SMP node
*/
+namespace simgrid{
+namespace smpi{
int Coll_allreduce_smp_rsag_lr::allreduce(void *send_buf, void *recv_buf,
int count, MPI_Datatype dtype,
MPI_Op op, MPI_Comm comm)
smpi_free_tmp_buffer(tmp_buf);
return MPI_SUCCESS;
}
+}
+}