Re: fftw3 non-pic k7 optimisations
Florian Weimer <fw@deneb.enyo.de> writes:
>> - how much can it hurt to have this non-pic in fftw3 ?
>
> It shouldn't matter much if all PIC code is grouped together in the
> binary because few pages have to be copied in this case. PIC code
> itself is always slower, significantly so if the code is using all
> available integer registers.
He is talking about non PIC code in the dynamic library. On i386 that
generaly works but fails pretty much everywhere else (but it's k7
specific code).
MfG
Goswin
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