Re: Performance Comparison

Richard Gooch (rgooch@atnf.csiro.au)
Wed, 5 May 1999 09:21:43 +1000

Alan Cox writes:
> > Alan probably misread the original message because HINT benchmark indeed
>
> I did. Sorry for not replying earlier but I've been in the Algarve for a few
> days.
>
> > As with any other benchmark the compiler used does show in the results
> > but not terribly much. To be completely certain the benchmark should be
> > compiled with the same compiler, version and optimization flags which I
> > think wasn't the case with Otto Solares' test runs but this can't
> > explain all the differences.
>
> The BSD and Linux gcc will produce close to identical code and different
> libcs. If libc is involved then its still clearly a valid benchmark just
> different things need fixing
>
> > Yes, I agree. I suggest more people to try the HINT benchmark. The code
> > is ANSI-C and seems generally professional quite unlike the bytemark
> > benchmark.
>
> A benchmark from an outside source, with no bias, with source code and no
> huge fees is a rather nice thing.
>
> Richard Gooch has a performance monitoring patch for Linux. The PMC registers
> on the PPro and higher can count many types of cache misses which may be
> most enligtening

<blush> I guess I should update that patch. OK, done. See:
http://www.atnf.csiro.au/~rgooch/linux/kernel-patches.html

Regards,

Richard....

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