-
- MPI_Comm_rank(comm, &rank);
- MPI_Comm_size(comm, &num_procs);
+ if (pipe_length==0) {
+ XBT_WARN("MPI_bcast_flattree_pipeline use default MPI_bcast_flattree.");
+ return smpi_coll_tuned_bcast_flattree(buff, count, data_type, root, comm);
+ }
+ rank = smpi_comm_rank(comm);
+ num_procs = smpi_comm_size(comm);