說明:比較 AMD cpu 與 Intel cpu 效能。
備註:以目前效能最高的 gaussian 版本來看,AMD 的 opteron 248 (2.2GHz) 效能在 2cpu 下險勝 Intel Xeon (3.2 GHz),兩者的時脈差了 1 GHz !!
AMD cpu v.s. Intel cpu
AMD cpu | Intel cpu | |||||
machine | 224 | 216 | 216 | 191 | 230 | 204 |
cpu | Opteron 248 | 3800+ Dual | 3800+ Dual | Xeon*2 | 830D | 940D |
code | g03d02.axWP | openmp.amd64,d02 | g03d02.axWP | openmp.2,d02 | openmp.2,d02 | openmp.2,d02 |
1cpu | ||||||
CuF2-_HeO | 628 | 692 | 680 | 512 | 460 | 385 |
F-HeO | 201 | 240 | 234 | 185 | 160 | 132 |
F-HeO_CT | 162 | 189 | 194 | 156 | 149 | 129 |
HArF | 41 | 46 | 46 | 38 | 35 | 30 |
HArF_fr | 67 | 74 | 70 | 63 | 56 | 50 |
HHeCN | 34 | 39 | 39 | 34 | 31 | 27 |
Total | 1133 | 1280 | 1263 | 988 | 891 | 753 |
speed | ||||||
2cpu | ||||||
CuF2-_HeO | 386 | 528 | 517 | 391 | 327 | 266 |
F-HeO | 133 | 199 | 190 | 144 | 114 | 89 |
F-HeO_CT | 126 | 152 | 147 | 124 | 128 | 104 |
HArF | 27 | 36 | 35 | 28 | 24 | 21 |
HArF_fr | 43 | 55 | 53 | 47 | 44 | 38 |
HHeCN | 25 | 32 | 31 | 27 | 24 | 21 |
Total | 740 | 1002 | 973 | 761 | 661 | 539 |
speed | ||||||
SMP | 1.53 | 1.30 | 1.35 | 1.30 | 1.35 | 1.40 |