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From: "Martin Storsjö" <martin@martin.st>
To: "Swinney, Jonathan" <jswinney@amazon.com>
Cc: Michael Niedermayer <michael@niedermayer.cc>,
	Grzegorz Bernacki <gjb@semihalf.com>,
	"J. Dekker" <jdek@itanimul.li>, Hubert Mazur <hum@semihalf.com>,
	"ffmpeg-devel@ffmpeg.org" <ffmpeg-devel@ffmpeg.org>,
	"Pop, Sebastian" <spop@amazon.com>
Subject: Re: [FFmpeg-devel] [PATCH v4 1/1] lavc/aarch64: motion estimation functions in neon
Date: Tue, 28 Jun 2022 00:55:04 +0300 (EEST)
Message-ID: <696216d4-1915-8196-a8e5-7c86e7ee654f@martin.st> (raw)
In-Reply-To: <82e0929f4af04100872873ce7dc41683@EX13D07UWB004.ant.amazon.com>

On Sun, 26 Jun 2022, Swinney, Jonathan wrote:

> - ff_pix_abs16_neon
> - ff_pix_abs16_xy2_neon
>
> In direct micro benchmarks of these ff functions verses their C implementations,
> these functions performed as follows on AWS Graviton 3.
>
> ff_pix_abs16_neon:
> pix_abs_0_0_c: 141.1
> pix_abs_0_0_neon: 19.6
>
> ff_pix_abs16_xy2_neon:
> pix_abs_0_3_c: 269.1
> pix_abs_0_3_neon: 39.3
>
> Tested with:
> ./tests/checkasm/checkasm --test=motion --bench --disable-linux-perf
>
> Signed-off-by: Jonathan Swinney <jswinney@amazon.com>

Thanks! This looked great to me, and you seem to have applied all my 
feedback!

(There was one last case of "ldur" missing that I fixed up locally.)

With that fixed, I pushed this one now. Thanks!

// Martin

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      reply	other threads:[~2022-06-27 21:55 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-06-26 20:58 Swinney, Jonathan
2022-06-27 21:55 ` Martin Storsjö [this message]

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