13% faster on penryn, 16% on sandybridge, 15% on bulldozer Not simd; a compiler should have generated this, but gcc didn't.
Patch by Nolan L nol888 <=> gmail >=< com. See thread: Subject: [FFmpeg-devel] [PATCH] Port gradfun to libavfilter (GCI) Date: Mon, 29 Nov 2010 07:18:14 -0500 Originally committed as revision 25942 to svn://svn.ffmpeg.org/ffmpeg/trunk
Originally committed as revision 25234 to svn://svn.ffmpeg.org/ffmpeg/trunk