Re: On megaflops


Richard Maine wrote:
> <sergio_r@xxxxxxxx> wrote:
>
> > I would like to here your comments on the reliability of those numbers.
>
> Very low. My main comment is that doing a good job of benchmarking is a
> very difficult job. The complications are far too many and subtle to
> explain in a simple posting. If you don't understand them, you can get
> numbers that make no sense at all, and are off by orders of magnitude.
> People spend quite a long time learning about the subject.
>

Instead of a cumbersome test I always prefer a simple one,
though not always is possible to find one.


> It just isn't worth the time to try to even explain the issues here.
>
> You are better off to run real applications of interest to you instead
> of small artificial benchmarks. Your real applications are something
> that other people won't be doing for you (unless you happen to know
> other people who use the same applications).
>
> > Please try to run the code on your on system.
>
> No thanks. I don't think I want to contribute to spreading what I expect
> to be dat aof questionable use.


Experience comes from practice and much of the advancement
of human kind thoughts comes from trial and error. And most
of us keep repeating things, even when thousands have done
the same experience over an over again, just to be sure
by our own means. A glance to any text book might convince
anyone.

Diego
Don't see the why of those numbers yet, but for sure something is
in there.

>There are lots of people already in the
> benchmarking business. I don't think this one will make a significant
> positive contribution.
>
> --
> Richard Maine | Good judgement comes from experience;
> email: last name at domain . net | experience comes from bad judgement.
> domain: summertriangle | -- Mark Twain

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