for (i = 1; i < num_procs; i++) {
src = (rank - i + num_procs) % num_procs;
dst = (rank + i) % num_procs;
-
+
Request::sendrecv(sendptr, send_count, send_type, dst, tag,
recvptr + recv_disps[src] * extent, recv_counts[src], recv_type,
src, tag, comm, &status);