CP-PACS Linpack Benchmark
| Date | September 26-27, 1996 |
| Site | Center for Computational Physics, University of Tsukuba |
| Machine | CP-PACS (2048PU, memory 64Mbyte/PU) |
| OS | HI-UX/MPP 02-00-/C + SUT |
| Compiler | FORTRAN90 02-02 C 02-00-/A |
| Method | Outer product method with partial pivoting |
| No. of
processors | Rmax (Gflops) | Nmax (order) | N1/2 (order) |
Peak speed (Gflops) | Rmax/Peak (%) |
| 1 |
0.197 |
2340 |
360 |
0.3 |
65.6 |
| 2 |
0.387 |
3240 |
600 |
0.6 |
64.5 |
| 4 |
0.770 |
4680 |
960 |
1.2 |
64.2 |
| 8 |
1.527 |
6480 |
1440 |
2.4 |
63.6 |
| 16 |
3.022 |
9360 |
2160 |
4.8 |
63.0 |
| 32 |
6.022 |
12960 |
3360 |
9.6 |
62.7 |
| 64 |
12.0 |
18720 |
4800 |
19.2 |
62.5 |
| 128 |
23.9 |
25920 |
6720 |
38.4 |
62.2 |
| 256 |
46.8 |
37440 |
9600 |
76.8 |
61.0 |
| 512 |
94.0 |
51840 |
15360 |
153.6 |
61.2 |
| 1024 |
186.5 |
74880 |
21120 |
307.2 |
60.7 |
| 2048 |
368.2 |
103680 |
30720 |
614.4 |
59.9 |