Re: Performance revisited

Andreas Johansson (ajo@wopr.campus.luth.se)
Sun, 6 Oct 1996 17:12:04 +0200 (MET DST)

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> Infact no time was spent optimizing these codes for either the Intel or
> Alpha machines. I didn't really want to do this as it would move the
> goal posts.
>
> Yoy are right about libm. I'm certain that this is a significant factor.
> sqrt and pow are used alot by the codes and i now that the gcc functions
> are very inefficient. If somebody could fix these function it may be a
> different story...

sqrt is about 10 times quicker in glibc than in the old linux libc.
I don't know if you are using glibc (comes with redhat 4.0), but if you
are not, that should make a significant difference.

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