From: "Martin Storsjö" <martin@martin.st>
To: "Swinney, Jonathan" <jswinney@amazon.com>
Cc: Hubert Mazur <hum@semihalf.com>,
"ffmpeg-devel@ffmpeg.org" <ffmpeg-devel@ffmpeg.org>
Subject: Re: [FFmpeg-devel] [PATCH v2] libswscale/aarch64: add another hscale specialization
Date: Tue, 16 Aug 2022 12:08:52 +0300 (EEST)
Message-ID: <3b478dfc-fc5f-4865-d6e9-4cd5c032bf7c@martin.st> (raw)
In-Reply-To: <2e1354629afd457fbdf0b13f17e3ce93@amazon.com>
On Sat, 13 Aug 2022, Swinney, Jonathan wrote:
> This specialization handles the case where filtersize is 4 mod 8, e.g.
> 12, 20, etc. Aarch64 was previously using the c function for this case.
> This implementation speeds up that case significantly.
>
> hscale_8_to_15__fs_12_dstW_512_c: 6234.1
> hscale_8_to_15__fs_12_dstW_512_neon: 1505.6
>
> Signed-off-by: Jonathan Swinney <jswinney@amazon.com>
> ---
> libswscale/aarch64/hscale.S | 107 +++++++++++++++++++++++++++++++++++
> libswscale/aarch64/swscale.c | 18 +++---
> 2 files changed, 117 insertions(+), 8 deletions(-)
Thanks, this update looks fine to me, so I pushed it!
// Martin
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prev parent reply other threads:[~2022-08-16 9:09 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-13 20:48 Swinney, Jonathan
2022-08-16 9:08 ` Martin Storsjö [this message]
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