send_count, send_type, rank, tag,
recv_ptr + (i * recv_count * extent),
recv_count, recv_type, rank, tag, comm, &status);
free(tmp_buff);
send_count, send_type, rank, tag,
recv_ptr + (i * recv_count * extent),
recv_count, recv_type, rank, tag, comm, &status);
free(tmp_buff);