| Gaussian Job | Number of Processors | ||||||||
| 1 | 2 | 4 | 6 | 8 | |||||
| speedup | speedup | speedup | speedup | ||||||
| test231 (2000000,7000000) | 1109 | 1169 | 0.95 | 1289 | 0.86 | 1409 | 0.79 | 1529 | 0.73 |
| test268 (2000000,7000000) | 2707 | 1782 | 1.52 | 1344 | 2.01 | 1237 | 2.19 | 1269 | 2.13 |
| test333 ( 5 MW) | 9213 | 5343 | 1.72 | 4576 | 2.01 | 4720 | 1.95 | 5438 | 1.69 |
| test358 | 1546 | 795 | 1.94 | 615 | 2.51 | 750 | 2.06 | 584 | 2.65 |
| test362 | 704 | 613 | 1.15 | 610 | 1.15 | 651 | 1.08 | 1008 | 0.70 |
| test363 | 1187 | 1027 | 1.16 | 1008 | 1.18 | 1012 | 1.17 | 1166 | 1.02 |
| test368 | 2252 | 2114 | 1.07 | 2022 | 1.11 | 2023 | 1.11 | 2281 | 0.99 |
| testDFT (24 MW) | 8969 | 3964 | 2.26 | 1945 | 4.61 | 873 | 10.27 | 622 | 14.42 |
| testQCI (24 MW) | 707 | 622 | 1.14 | 690 | 1.02 | 898 | 0.79 | 639 | 1.11 |
| testQCIT (24 MW) | 354 | 322 | 1.10 | 451 | 0.78 | 382 | 0.93 | 375 | 0.94 |
| testCCt (24 MW) | 372 | 392 | 0.95 | 386 | 0.96 | 426 | 0.87 | 485 | 0.77 |
| Total (seconds) | 29120 | 18143 | 1.61 | 14936 | 1.95 | 14381 | 2.02 | 15396 | 1.89 |
| Total (minutes) | 485:20 | 302:23 | 248:56 | 239:41 | 256:36 | ||||
| Total (hours) | 8:05:20 | 5:02:23 | 4:08:56 | 3:59:41 | 4:16:36 | ||||
| Gaussian 98 A9 Benchnmark timings done by Rich Sudlow on Oct 5, 6th 2000. Benchmarks run on 20 processor SGI Origin 3000 named o3000.hpcc.nd.edu with 8 GB RAM. Processors were 400 MHZ with 8 MB L2 cache. Disk subsytem was a 6 disk stripe using FC disks. Irix 6.5.9 OS, Fortran & C are version 7.3, with SCSL Scientific Library 1.3. All times listed are in seconds. | |||||||||
| Gaussian Version: G98A9 | |||||||||
| Gaussian Job Memory: 6 MW unless noted | |||||||||