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Date: Sun, 2 Jul 2023 00:33:13 +0300 (EEST)
From: =?ISO-8859-15?Q?Martin_Storsj=F6?= <martin@martin.st>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
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Subject: Re: [FFmpeg-devel] [PATCH 00/15] avfilter/vf_bwdif: Add aarch64
 neon functions
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Cc: thomas.mundt@hr.de, John Cox <jc@kynesim.co.uk>
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On Thu, 29 Jun 2023, John Cox wrote:

> Also adds a filter_line3 method which on aarch64 neon yields approx 30%
> speedup over 2xfilter_line and a memcpy
>
> John Cox (15):
>  avfilter/vf_bwdif: Add outline for aarch neon functions
>  avfilter/vf_bwdif: Add common macros and consts for aarch64 neon
>  avfilter/vf_bwdif: Export C filter_intra
>  avfilter/vf_bwdif: Add neon for filter_intra
>  tests/checkasm: Add test for vf_bwdif filter_intra
>  avfilter/vf_bwdif: Add clip and spatial macros for aarch64 neon
>  avfilter/vf_bwdif: Export C filter_edge
>  avfilter/vf_bwdif: Add neon for filter_edge
>  tests/checkasm: Add test for vf_bwdif filter_edge
>  avfilter/vf_bwdif: Export C filter_line
>  avfilter/vf_bwdif: Add neon for filter_line
>  avfilter/vf_bwdif: Add a filter_line3 method for optimisation
>  avfilter/vf_bwdif: Add neon for filter_line3
>  tests/checkasm: Add test for vf_bwdif filter_line3
>  avfilter/vf_bwdif: Block filter slices into a multiple of 4 lines

It's nice to have this split up in small easily checkable patches, but 
this is perhaps a bit more finegrained than what's usual. But I guess 
that's ok...

I'll comment on the patches that need commenting on.

// Martin

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