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Performance of HPF Systems

HPF codes with `regular computations', eg EP, fare well; those with `irregular' array accesses, eg FFT1, do not.

EP (NAS benchmark) on SPARCcenter 1000 (2 tex2html_wrap_inline45213 sun4d processors):

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Fortran 90 on SPARCcenter 2000 takes 115s; HPF on 8 processors takes 12s.

FFT1 (ParkBench) on 1 IPX with epcf90 takes 0.3s; on 8 IPXs with pghpf takes 33s!

For more information, click here gif


next up previous contents
Next: High Performance Fortran in Up: Does HPF Work? Previous: Does HPF Work?

Adam Marshall ©University of Liverpool, 1996
Fri Dec 6 18:56:08 GMT 1996
Not for commercial use.