Table 3 The test results of a 2-GB file on different cores
No. P | Max Map time (seconds) | Reduce time (seconds) | General time (seconds) | Map SP | General SP |
|---|---|---|---|---|---|
1 | 456 | 65 | 526 | 1.0 | 1.0 |
4 | 129 | 62 | 198 | 3.5 | 2.6 |
8 | 61 | 64 | 131 | 7.4 | 4.0 |
12 | 47 | 64 | 117 | 9.7 | 4.5 |
16 | 33 | 63 | 105 | 13.8 | 5.0 |
24 | 25 | 64 | 114 | 18.2 | 4.6 |
32 | 17 | 63 | 107 | 26.8 | 4.9 |