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Re: Fedora development switch to GCC 4.1.0-RH prerelease



On Thursday, December 8, 2005 10:15 am, Arjan van de Ven wrote:
> > Arjan mentioned the other day that the Fedora linker is capable of
> > loading CPU specific libraries, depending on which ISA extensions
> > are available.  Since gcc 4.1 has a much improved autovectorizer,
> > maybe now is the time to start making use of it?  It seems like
> > codec libraries are good candidates for autovectorization, maybe
> > their spec files could build SSE2, SSE3, and 3dnow variants along
> > with the regular, non-SIMD versions of the libraries?
>
> on x86-64 that's already there. on x86.. why ?

There are still lots of x86 machines out there, including the upcoming, 
dual-core Yonah chip, so providing SIMD versions of the libraries for 
x86 is worthwhile, IMO.

Which libraries have vectorized variants on x86-64?  I only saw one for 
my x86 box...

jesse 


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