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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).


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