/* last node receives right buffer from the root */
else if (rank == (root+size-1)%size) {
Request::recv(tmpbuf[1], counts[1], datatype,
root, COLL_TAG_BCAST,
comm, MPI_STATUS_IGNORE);
/* last node receives right buffer from the root */
else if (rank == (root+size-1)%size) {
Request::recv(tmpbuf[1], counts[1], datatype,
root, COLL_TAG_BCAST,
comm, MPI_STATUS_IGNORE);