req_ptr = req;
- // do local allgather/local copy
+ // do local allgather/local copy
recv_offset = rank * block_size;
Datatype::copy(send_buff, send_count, send_type, (char *)recv_buff + recv_offset,
recv_count, recv_type);
- // do rowwise comm
+ // do rowwise comm
for (i = 0; i < Y; i++) {
src = i + my_row_base;
if (src == rank)