[FFmpeg-devel] MMX version for put_no_rnd_h264_chroma_mc8_c

Michael Niedermayer michaelni
Sun Nov 25 02:06:16 CET 2007


On Sun, Nov 25, 2007 at 12:35:12AM +0100, Christophe GISQUET wrote:
> Good evening,
> 
> Michael Niedermayer a ?crit :
> > also the //START_TIMER dont belong in the patch
> 
> It was intended in that case, to show how I compared the versions, and
> it seems it was worth it. Here are the new results.
> 
> Before:
> VC-1: 2085 dezicycles in rnd, 1047692 runs, 884 skips
> h264: 1093 dezicycles in rnd, 2096936 runs, 216 skips
> 
> Patch applied:
> VC-1: 2106 dezicycles in rnd, 1047537 runs, 1039 skips
>       2119 dezicycles in no_rnd, 1047384 runs, 1192 skips
> h264: 1097 dezicycles in rnd, 2096867 runs, 285 skips

i assume these measurements where over the function calls not were
the *_TIMER were placed in the last patch?

if so the patch looks ok

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

I hate to see young programmers poisoned by the kind of thinking
Ulrich Drepper puts forward since it is simply too narrow -- Roman Shaposhnik
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