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 2/5] lavc/aarch64: Add neon implementation for sse4
Date: Thu, 18 Aug 2022 12:10:57 +0300 (EEST)
Message-ID: <36bc1042-574-c310-5fa7-1c4c1598dc@martin.st> (raw)
In-Reply-To: <20220816122016.64929-3-hum@semihalf.com>
On Tue, 16 Aug 2022, Hubert Mazur wrote:
> Provide neon implementation for sse4 function.
>
> Performance comparison tests are shown below.
> - sse_2_c: 80.7
> - sse_2_neon: 31.0
>
> Benchmarks and tests are run with checkasm tool on AWS Graviton 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(+)
This patch had the same issue about unused d18 register and unnecessary
add instruction, and the misaligned function declaration.
// Martin
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next prev parent reply other threads:[~2022-08-18 9:11 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-16 12:20 [FFmpeg-devel] [PATCH 0/5] Provide neon implementation for me_cmp functions Hubert Mazur
2022-08-16 12:20 ` [FFmpeg-devel] [PATCH 1/5] lavc/aarch64: Add neon implementation for sse16 Hubert Mazur
2022-08-18 9:09 ` Martin Storsjö
2022-08-16 12:20 ` [FFmpeg-devel] [PATCH 2/5] lavc/aarch64: Add neon implementation for sse4 Hubert Mazur
2022-08-18 9:10 ` Martin Storsjö [this message]
2022-08-16 12:20 ` [FFmpeg-devel] [PATCH 3/5] lavc/aarch64: Add neon implementation for pix_abs16_y2 Hubert Mazur
2022-08-18 9:16 ` Martin Storsjö
2022-08-16 12:20 ` [FFmpeg-devel] [PATCH 4/5] lavc/aarch64: Add neon implementation for sse8 Hubert Mazur
2022-08-18 9:18 ` Martin Storsjö
2022-08-16 12:20 ` [FFmpeg-devel] [PATCH 5/5] lavc/aarch64: Add neon implementation for pix_abs8 Hubert Mazur
2022-08-18 9:22 ` Martin Storsjö
2022-08-18 9:07 ` [FFmpeg-devel] [PATCH 0/5] Provide neon implementation for me_cmp functions Martin Storsjö
2022-08-18 9:24 ` Hubert Mazur
-- strict thread matches above, loose matches on Subject: below --
2022-07-15 8:02 [FFmpeg-devel] [PATCH 0/5] Add " Hubert Mazur
2022-07-15 8:02 ` [FFmpeg-devel] [PATCH 2/5] lavc/aarch64: Add neon implementation for sse4 Hubert Mazur
2022-07-21 21:43 ` Martin Storsjö
2022-07-22 21:30 ` Swinney, Jonathan
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