| Method | m × n | 1000 × 100 | 2000 × 100 | 3000 × 100 | 4000 × 100 | 5000 × 100 |
| RGS | IT | 9499 | 7926 | 7310 | 7287 | 6910 |
|
| CPU | 0.1958 | 0.1821 | 0.1927 | 0.3039 | 0.2766 |
| GRGS | IT | 2812 | 2550 | 2530 | 2547 | 2390 |
|
| CPU | 0.0648 | 0.0610 | 0.0715 | 0.1113 | 0.1018 |
| RGSO | IT | 3715 | 3519 | 3464 | 3525 | 3285 |
|
| CPU | 0.0890 | 0.0985 | 0.1187 | 0.1952 | 0.1966 |
| GRGSO | IT | 706 | 753 | 787 | 829 | 800 |
|
| CPU | 0.0171 | 0.0201 | 0.0269 | 0.0472 | 0.0488 |