From: "Rémi Denis-Courmont" <remi@remlab.net>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Subject: Re: [FFmpeg-devel] [PATCH 3/3] lavc/svq1enc: R-V V ssd_int8_vs_int16
Date: Sat, 06 Jan 2024 17:04:27 +0200
Message-ID: <2453914.EN6oEbDcdf@basile.remlab.net> (raw)
In-Reply-To: <CAEa-L+vPzLZmYEse6td6srT=M=5LOL8O=yk5cXp5X6gY7pz55w@mail.gmail.com>
Le perjantaina 5. tammikuuta 2024, 2.56.18 EET flow gg a écrit :
> One vset can be reduced, but vwsub should not be used in this case. I
> modified it in this reply.
Fair enough, but are you sure that that's faster than keeping the vsetvli and
removing the sign extension?
> Rémi Denis-Courmont <remi@remlab.net> 于2024年1月5日周五 00:00写道：
>
> > Le lauantaina 30. joulukuuta 2023, 18.20.15 EET flow gg a écrit :
> > > I mistook it, seeing the vector length as the length of the vector
> >
> > register
> >
> > > ..
> > > I have modified it in this reply.
> >
> > Setting element size to 8-bit is unnecessary, and a widening subtraction
> > can
> > presumably avoid the sign extension.
> >
> > --
> > レミ・デニ-クールモン
> > http://www.remlab.net/
> >
> >
> >
> > _______________________________________________
> > 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".
--
Rémi Denis-Courmont
http://www.remlab.net/
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next prev parent reply other threads:[~2024-01-06 15:04 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-29 11:57 flow gg
2023-12-30 12:15 ` Rémi Denis-Courmont
2023-12-30 14:00 ` flow gg
2023-12-30 14:01 ` flow gg
2023-12-30 15:45 ` Rémi Denis-Courmont
2023-12-30 16:20 ` flow gg
2024-01-04 16:00 ` Rémi Denis-Courmont
2024-01-05 0:56 ` flow gg
2024-01-06 15:04 ` Rémi Denis-Courmont [this message]
2024-01-07 1:33 ` flow gg
2024-01-07 8:03 ` Rémi Denis-Courmont
2024-01-07 8:36 ` flow gg
2024-01-16 18:00 ` Rémi Denis-Courmont
2024-01-16 18:04 ` Rémi Denis-Courmont
2024-01-16 18:46 ` flow gg
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