Git Inbox Mirror of the ffmpeg-devel mailing list - see https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
 help / color / mirror / Atom feed
From: "Martin Storsjö" <martin@martin.st>
To: "Swinney, Jonathan" <jswinney@amazon.com>
Cc: "Clément Bœsch" <u@pkh.me>, "Pop, Sebastian" <spop@amazon.com>,
	"FFmpeg development discussions and patches"
	<ffmpeg-devel@ffmpeg.org>
Subject: Re: [FFmpeg-devel] [PATCH] swscale: aarch64: Optimize the final summation in the hscale routine
Date: Fri, 22 Apr 2022 10:50:50 +0300 (EEST)
Message-ID: <b4baa5d-234c-ac22-28c-6472a9278e5@martin.st> (raw)
In-Reply-To: <3BEA4526-3C82-4CE5-870A-D8155C29495C@amazon.com>

On Thu, 21 Apr 2022, Swinney, Jonathan wrote:

> Thanks for making this improvement. I will rebase my patches on your change. I also measured the performance on AWS Graviton 2 and 3. I added the numbers to your table.
>
> Before:                     Cortex A53      A72      A73  Graviton 2  Graviton 3
> hscale_8_to_15_width8_neon:     8273.0   4602.5   4289.5      2429.7      1629.1
> hscale_8_to_15_width16_neon:   12405.7   6803.0   6359.0      3549.0      2378.4
> hscale_8_to_15_width32_neon:   21258.7  11491.7  11469.2      5797.2      3919.6
> hscale_8_to_15_width40_neon:   25652.0  14173.7  12488.2      6893.5      4810.4
>
> After:
> hscale_8_to_15_width8_neon:     7633.0   3981.5   3350.2      1980.7      1261.1
> hscale_8_to_15_width16_neon:   11666.7   5951.0   5512.0      3080.7      2131.4
> hscale_8_to_15_width32_neon:   20900.7  10733.2   9481.7      5275.2      3862.1
> hscale_8_to_15_width40_neon:   24826.0  13536.2  11502.0      6397.2      4731.9

Thanks for the benchmarks! I pushed this patch now, with those numbers 
included.

// Martin

_______________________________________________
ffmpeg-devel mailing list
ffmpeg-devel@ffmpeg.org
https://ffmpeg.org/mailman/listinfo/ffmpeg-devel

To unsubscribe, visit link above, or email
ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".

      reply	other threads:[~2022-04-22  7:51 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-20  8:57 Martin Storsjö
2022-04-21 21:43 ` Swinney, Jonathan
2022-04-22  7:50   ` Martin Storsjö [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=b4baa5d-234c-ac22-28c-6472a9278e5@martin.st \
    --to=martin@martin.st \
    --cc=ffmpeg-devel@ffmpeg.org \
    --cc=jswinney@amazon.com \
    --cc=spop@amazon.com \
    --cc=u@pkh.me \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

Git Inbox Mirror of the ffmpeg-devel mailing list - see https://ffmpeg.org/mailman/listinfo/ffmpeg-devel

This inbox may be cloned and mirrored by anyone:

	git clone --mirror https://master.gitmailbox.com/ffmpegdev/0 ffmpegdev/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 ffmpegdev ffmpegdev/ https://master.gitmailbox.com/ffmpegdev \
		ffmpegdev@gitmailbox.com
	public-inbox-index ffmpegdev

Example config snippet for mirrors.


AGPL code for this site: git clone https://public-inbox.org/public-inbox.git