[FFmpeg-devel] [PATCH] x86: hevc: adding transform_add
mraulet at gmail.com
Wed Jul 30 21:38:19 CEST 2014
Le 30 juil. 2014 à 16:35, Ronald S. Bultje <rsbultje at gmail.com> a écrit :
> On Wed, Jul 30, 2014 at 9:33 AM, Pierre Edouard Lepere <
> Pierre-Edouard.Lepere at 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.
- 1753 decicycles in transform add, 975751 runs, 72825 skips
- 490 decicycles in transform add, 1048545 runs, 31 skips
3534 decicycles in transform add, 1046294 runs, 2282 skips
527 decicycles in transform add, 1048525 runs, 51 skips
483 decicycles in transform add, 1048542 runs, 34 skips
338 decicycles in transform add, 1048558 runs, 18 skips
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