[mythtv] --arch=athlon-xp problem (was Re: multirec branch - missing MM_SSE... )

Petr Stehlik pstehlik at sophics.cz
Thu Dec 13 23:39:35 UTC 2007

Janne Grunau píše v Pá 14. 12. 2007 v 00:19 +0100:
> > pentium4 would probably give the fastest code when running 32-bit
> > code on a K8. But this would need to be tested.
> I doubt that but I don't have hard numbers to back it up. Pentium4 has 
> different design optimized for high clock rates.
> march=k8 or opteron should be fastest, probably followed by pentium3.

I'll gladly rebuild for a couple of different CPUs and do some
benchmarks for you to get the hard numbers.. Anyway, I'd need about 20%
more CPU power to replay a HDTV recording (see the spatial direct mode
not implemented in -users list ;-)


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