+------------------------------------------------+
|       Products 3-Layer Summary (seconds)       |
+-----------------------+-------+--------+-------+
| Method / Partitioning | METIS | Random |  GRD  |
+-----------------------+-------+--------+-------+
|         HongTu        | 11.37 | 22.33  | 15.04 |
|          GRD          |  8.01 | 15.01  | 10.29 |
|        Speedup        | 1.42× | 1.49×  | 1.46× |
+-----------------------+-------+--------+-------+

+------------------------------------------------+
|       Products 5-Layer Summary (seconds)       |
+-----------------------+-------+--------+-------+
| Method / Partitioning | METIS | Random |  GRD  |
+-----------------------+-------+--------+-------+
|         HongTu        | 21.97 | 43.06  |  29.3 |
|          GRD          | 15.46 | 29.48  | 20.44 |
|        Speedup        | 1.42× | 1.46×  | 1.43× |
+-----------------------+-------+--------+-------+