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DEC AlphaServer 8400
| This data set was obtained on the
DEC AlphaServer 8400 at LLNL as an interactive job. This system is a cluster
of two 4-processor machines. All routines were compiled with: f77 -c -O5 -g3 -nowarn -check noformat The MPI_WTIME routine does not seem to work on this system.
GRID: 32 x 32 x 32 per processor(tile)
Speedup/
Processors Layout Wall Clock tused(s) Zone-Cycles/sec MFLOPS C90s Speedup Processor
1 1x1x1 0.00 3.46 94123 86.18 0.78 1.00 1.00
2 2x1x1 0.00 3.70 176148 161.28 1.47 1.87 0.94
2 1x2x1 0.00 3.65 178489 163.42 1.49 1.90 0.95
2 1x1x2 0.00 3.55 183815 168.30 1.53 1.95 0.98
4 2x2x1 0.00 5.98 213914 195.85 1.78 2.27 0.57
4 2x1x2 0.00 6.44 197522 180.84 1.64 2.10 0.52
4 1x2x2 64.00 4.37 296719 271.67 2.47 3.15 0.79
8 2x2x2 0.00 8.32 310688 284.46 2.59 3.30 0.41
GRID: 64 x 64 x 64 per processor(tile)
Speedup/
Processors Layout Wall Clock tused(s) Zone-Cycles/sec MFLOPS C90s Speedup Processor
1 1x1x1 64.00 34.64 75267 59.81 0.39 1.00 1.00
2 2x1x1 0.00 35.41 147282 117.04 0.77 1.96 0.98
2 1x2x1 0.00 35.18 148233 117.79 0.77 1.97 0.98
2 1x1x2 64.00 35.05 148738 118.19 0.78 1.98 0.99
4 2x2x1 64.00 48.21 216513 172.05 1.13 2.88 0.72
4 2x1x2 64.00 44.84 232823 185.01 1.22 3.09 0.77
4 1x2x2 64.00 43.31 241023 191.53 1.26 3.20 0.80
8 2x2x2 128.00 59.61 349647 277.85 1.83 4.65 0.58
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