Le 30 juil. 2014 à 16:35, Ronald S. Bultje <rsbul...@gmail.com> a écrit :
> Hi! > > On Wed, Jul 30, 2014 at 9:33 AM, Pierre Edouard Lepere < > pierre-edouard.lep...@insa-rennes.fr> wrote: > >> Here's a patch adding ASM transform_add functions for HEVC. > > > Yay! I'll try to review soon. Do you have rough performance metrics? I know > it's faster :-p but it's nice to document by how much. > Rather faster, yes. Some benches below. But note that these optimizations do not contain IDCTs. 8bits wo assembly: - 1753 decicycles in transform add, 975751 runs, 72825 skips SSE2: - 490 decicycles in transform add, 1048545 runs, 31 skips 10bits wo assembly: 3534 decicycles in transform add, 1046294 runs, 2282 skips SSE2: 527 decicycles in transform add, 1048525 runs, 51 skips AVX: 483 decicycles in transform add, 1048542 runs, 34 skips AVX2: 338 decicycles in transform add, 1048558 runs, 18 skips Mickaël _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
