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

Paul B Mahol onemda at gmail.com
Sun Feb 14 10:41:52 CET 2016


On 2/14/16, Timothy Gu <timothygu99 at gmail.com> wrote:
> 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
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>

ok


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