- int rows, cols, my_row, my_col, X, Y, send_offset, recv_offset;
- int two_dsize, my_row_base, my_col_base, src_row_base, block_size;
- int tag = 1, failure = 0, success = 1;
+ int X, Y, send_offset, recv_offset;
+ int my_row_base, my_col_base, src_row_base, block_size;
+ int tag = COLL_TAG_ALLTOALL;