[FFmpeg-devel] [PATCH] x86/vf_blend: Add SSE2 optimization for divide

Timothy Gu timothygu99 at gmail.com
Sun Feb 14 04:25:27 CET 2016


On Sat, Feb 13, 2016 at 07:21:25PM -0800, Timothy Gu wrote:
> ---
>  libavfilter/x86/vf_blend.asm    | 30 ++++++++++++++++++++++++++++++
>  libavfilter/x86/vf_blend_init.c |  2 ++
>  2 files changed, 32 insertions(+)

Locally added commit message:

     4.5x faster than C float version with autovectorization
    10  x faster than C int version
    25  x faster than C float version without autovectorization

Timothy


More information about the ffmpeg-devel mailing list