[FFmpeg-devel] [PATCH] VP8 MMX optimizations (MC and IDCT dc_add)
Ronald S. Bultje
Wed Jun 23 19:41:56 CEST 2010
On Wed, Jun 23, 2010 at 3:38 AM, Jason Garrett-Glaser
<darkshikari at gmail.com> wrote:
> There are some... issues... with the current code that prevent commit.
> ?I will be bringing these up with Ronald soon ;)
I can't test the SSSE/SSE4 ones because my cpu is old. Attached is a
MMX-only version with Jason's changes for v4/v6 and dc_add, they're
clearly faster (e.g. dc_add/mmx is +/- 90 cycles faster, v6 is 220
cycles faster and v4 is 50 cycles faster).
-------------- next part --------------
A non-text attachment was scrubbed...
Size: 21601 bytes
Desc: not available
More information about the ffmpeg-devel