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Performance Studies using
PSTSWM
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| Date/Person: | August 12, 1996 / P. Worley |
| Platform: | IBM SP2 at NASA Ames Research Center (babbage.nas.nasa.gov): |
| 160 RS6000/590 nodes ("wide", 66.7 MHz POWER2 RISC chip set) | |
| Environment: | AIX 4.1.3.3; POE 2.1.0.8 |
| Code Version: | 6.1 |
| Make Options: | MACH=sp COMM=mpi PRECISION=8 PERF=n MATH=essl WORKSPACE=5000000 |
| Compilation Options: | mpxlf -O3 -qarch=pwr2 |
| Number of steps: | T42: 241 or 481 |
| T85: 49 or 97 | |
| Notes: | using ESSL library routines for Fourier transforms and BLAS |
| Problem | L1 | L2 | L3 | L16 |
| T42 | .042 | .084 | .126 | .726 |
| T85 | .225 | .479 | .710 |
| Problem | L1 | L2 | L3 | L16 |
| T42 | 98.3 | 98.3 | 98.3 | 91.0 |
| T85 | 107.7 | 101.2 | 102.4 |
Patrick H. Worley / (
worleyph@ornl.gov)