[x264-devel] Re: Patch: Additional SPARC VIS SAD (8x16, 16x8, 16x16)
Laurent Aimar
fenrir at via.ecp.fr
Fri Jul 22 17:50:27 CEST 2005
On Thu, Jul 21, 2005, Phil Jensen wrote:
> Hi all,
>
> I have completed additonal SAD implementations (8x16, 16x8 and 16x16)
> using Sparc VIS. Overall speedup is roughly 90% from straight C. I'm
> doing development and testing on a Sun Fire V220, with 2 * 1.5ghz
> UltraSPARC-III CPUs.
>
> I've hand-unrolled each of the loops. Sun's assembler does not appear
> to have macro functionality built-in and I didn't want to establish an
> external dependancy on m4. Please let me know if you run into any
> trouble with the patch.
Applied, thanks :)
--
fenrir
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