Ainsi parlait Gwenole Beauchesne :
> On Tue, 18 Mar 2003, Narfi Stefansson wrote:
> > I believe that Steffen is right that mjpegtools was compiled without
> > MMX in the 9.0 rpms.
> > When I compile for i586 and athlon side by side and I enable MMX for
> > both, I only get a maximum of 10-15% speed difference.
> > The difference in with/without MMX is of course huge :-)
>
> No package will be built with MMX optimizations by default as there are
> Pentium out there without those extensions. However, if your application
> dynamically links against some optimized DSOs that would be fine to put
> those libraries in */lib/mmx/* or */lib/sse{,2}/*. But you will be stuck
> if they decided to dlopen() their plugins/libraries.
An other option would be to have different packages for optimized and non
optimized libs/binaries, and use alternatives to use them transparently.
Would be great i think.
--
No matter how good of a deal you get on computer components, the price will
always drop immediately after the purchase.
-- Murphy's Computer Laws n°7
