PSTSWM T3E-900 Serial Performance

Performance Studies using

PSTSWM

SGI/Cray Research T3E-900 Serial Performance

Date/Person: February 23, 2000 / P. Worley
Platform: T3E-900 at National Energy Research Scientific Computing Center (mcurie.nersc.gov):
   644 450-MHz DEC Alpha EV5 RISC processors
Environment: UNICOS/mk 2.0.5.21
mpt 1.3.0.4
Cray CF90 Version 3.3.0.2
Code Version: 6.7
Make Options: MACH=t3e COMM=mpi PRECISION=8 PERF=n WORKSPACE=19000000
Compilation Options: f90 -dp -Oscalar3
Number of steps: T42: 241 or 481
T85: 49 or 97
T170: 49 or 97
Notes: using PSTSWM Fortran routines for Fourier transforms and BLAS

MEASURED TIME PER TIMESTEP (SEC)

Problem L1 L2 L3 L16
T42 0.043 0.092 0.141 0.815
T85 0.243 0.497 0.745 4.610
T170 1.418 2.908 4.332  

MEASURED MFLOP/SEC RATES

Problem L1 L2 L3 L16
T42 96.4 89.5 87.6 81.1
T85 99.9 97.6 97.6 84.1
T170 107.9 105.2 106.0  
Patrick H. Worley / ( worleyph@ornl.gov)
Last Modified Monday, 15-Jul-2002 10:25:35 EDT.
3440 accesses since 1/2/96.