From: "Martin Storsjö" <martin@martin.st>
To: Hubert Mazur <hum@semihalf.com>
Cc: gjb@semihalf.com, upstream@semihalf.com, jswinney@amazon.com,
ffmpeg-devel@ffmpeg.org, mw@semihalf.com, spop@amazon.com
Subject: Re: [FFmpeg-devel] [PATCH 3/5] lavc/aarch64: Add neon implementation for vsad_intra16
Date: Sun, 4 Sep 2022 23:58:18 +0300 (EEST)
Message-ID: <e8c711-5a80-5167-ab1a-3cf510186c29@martin.st> (raw)
In-Reply-To: <20220822152627.1992008-4-hum@semihalf.com>
On Mon, 22 Aug 2022, Hubert Mazur wrote:
> Provide optimized implementation for vsad_intra16 function for arm64.
>
> Performance comparison tests are shown below.
> - vsad_4_c: 177.2
> - vsad_4_neon: 24.5
>
> Benchmarks and tests are run with checkasm tool on AWS Gravtion 3.
>
> Signed-off-by: Hubert Mazur <hum@semihalf.com>
> ---
> libavcodec/aarch64/me_cmp_init_aarch64.c | 3 ++
> libavcodec/aarch64/me_cmp_neon.S | 58 ++++++++++++++++++++++++
> 2 files changed, 61 insertions(+)
Same thing as for the others; keep the data for the previous row in
registers instead of loading it twice.
// Martin
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next prev parent reply other threads:[~2022-09-04 20:58 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-22 15:26 [FFmpeg-devel] [PATCH 0/5] me_cmp: Provide arm64 neon implementations Hubert Mazur
2022-08-22 15:26 ` [FFmpeg-devel] [PATCH 1/5] lavc/aarch64: Add neon implementation for vsad16 Hubert Mazur
2022-09-02 21:49 ` Martin Storsjö
2022-08-22 15:26 ` [FFmpeg-devel] [PATCH 2/5] lavc/aarch64: Add neon implementation of vsse16 Hubert Mazur
2022-09-04 20:53 ` Martin Storsjö
2022-08-22 15:26 ` [FFmpeg-devel] [PATCH 3/5] lavc/aarch64: Add neon implementation for vsad_intra16 Hubert Mazur
2022-09-04 20:58 ` Martin Storsjö [this message]
2022-08-22 15:26 ` [FFmpeg-devel] [PATCH 4/5] lavc/aarch64: Add neon implementation for vsse_intra16 Hubert Mazur
2022-09-04 20:59 ` Martin Storsjö
2022-08-22 15:26 ` [FFmpeg-devel] [PATCH 5/5] lavc/aarch64: Provide neon implementation of nsse16 Hubert Mazur
2022-09-02 21:29 ` Martin Storsjö
2022-09-04 21:23 ` Martin Storsjö
2022-09-06 10:27 [FFmpeg-devel] [PATCH 0/5] Provide optimized neon implementation Hubert Mazur
2022-09-06 10:27 ` [FFmpeg-devel] [PATCH 3/5] lavc/aarch64: Add neon implementation for vsad_intra16 Hubert Mazur
2022-09-08 9:25 [FFmpeg-devel] [PATCH 0/5] Provide optimized neon implementation Hubert Mazur
2022-09-08 9:25 ` [FFmpeg-devel] [PATCH 3/5] lavc/aarch64: Add neon implementation for vsad_intra16 Hubert Mazur
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