[FFmpeg-devel] [PATCH v2 1/3] libavfilter/x86/vf_hflip: add ff_flip_byte/short_avx512()

Wu, Jianhua jianhua.wu at intel.com
Fri Nov 19 07:50:14 EET 2021


Ping.
> From: Wu, Jianhua <jianhua.wu at intel.com>
> Sent: Friday, October 8, 2021 10:31 AM
> To: ffmpeg-devel at ffmpeg.org
> Cc: Wu, Jianhua <jianhua.wu at intel.com>
> Subject: [PATCH v2 1/3] libavfilter/x86/vf_hflip: add
> ff_flip_byte/short_avx512()
> 
> Performance(Less is better):
> 8bit:
>     ff_hflip_byte_ssse3   0.61
>     ff_hflip_byte_avx2    0.37
>     ff_hflip_byte_avx512  0.19
> 16bit:
>     ff_hflip_short_ssse3  1.27
>     ff_hflip_short_avx2   0.76
>     ff_hflip_short_avx512 0.40
> 
> Signed-off-by: Wu Jianhua <jianhua.wu at intel.com>
> ---
>  libavfilter/x86/vf_hflip.asm    | 23 ++++++++++++++++++-----
>  libavfilter/x86/vf_hflip_init.c |  8 ++++++++
>  2 files changed, 26 insertions(+), 5 deletions(-)
> 

Hi there,

Is there anyone who could review the patches related to AVX512?
This commit could increase fps from 800 to 1600 tested with raw yuv
video on my i7 11700k processor.

Thanks,
Jianhua



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