[FFmpeg-devel] 回复: [PATCH 1/4] avcodec/x86/vvc: add alf filter luma and chroma avx2 optimizations

Wu Jianhua toqsxw at outlook.com
Wed May 1 14:02:10 EEST 2024


> 发件人: ffmpeg-devel <ffmpeg-devel-bounces at ffmpeg.org> 代表 Nuo Mi <nuomi2021 at gmail.com>
> 发送时间: 2024年4月30日 11:03
> 收件人: FFmpeg development discussions and patches
> 主题: Re: [FFmpeg-devel] [PATCH 1/4] avcodec/x86/vvc: add alf filter luma and chroma avx2 optimizations
> 
> On Tue, Apr 30, 2024 at 12:34 AM Andreas Rheinhardt <
> andreas.rheinhardt at outlook.com> wrote:
> 
> > toqsxw at outlook.com:
> > > vvc_alf_filter_chroma_16x12_10_c: 7235.5
> > > vvc_alf_filter_chroma_16x12_10_avx2: 9751.0
> >
> > Are these numbers correct? If so, the avx2 version should not be committed.
> >
> It could be a system turbulence. The data around it appears to be correct.
> 
> Hi Jianhua,
> Maybe you can test it again
> Thank you for the patch, Now we can smoothly play a 4k at 60 on a modern i7.
> 

Sure. Will rerun the performance test without other processes with high CPU usage running  and resend the v2.


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