From: flow gg <hlefthleft@gmail.com>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Subject: Re: [FFmpeg-devel] [PATCH] lavc/vc1dsp: R-V V mspel_pixels
Date: Sat, 11 May 2024 18:47:19 +0800
Message-ID: <CAEa-L+sWPVC=Pd9YTdxVxQo+m5FctkyObO_oZRPE9XDaWLH0_g@mail.gmail.com> (raw)
In-Reply-To: <4115071.TmUHVWPgzI@basile.remlab.net>
In banana_f3, further reducing the value of mf resulted in another
performance improvement. I think in the end we might need to use different
functions depending on vlen in init..
Rémi Denis-Courmont <remi@remlab.net> 于2024年5月11日周六 18:24写道：
> Le lauantaina 11. toukokuuta 2024, 13.02.02 EEST flow gg a écrit :
> > The test results show that changing mf2 to m1 in ff_avg_pixels8x8_rvv in
> > vc1,
> > or changing mf2/mf4 to m1 in vsetvlstatic8 in vp8,
> > results in a 10-20% performance decrease on both k230 and banana_f3.
>
> The questions remain, how changing from MF2 to MF4 affects performance on
> Zvl256b, and if it does, how to deal with that without breaking support
> for
> Zvl128b.
>
> --
> Rémi Denis-Courmont
> http://www.remlab.net/
>
>
>
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prev parent reply other threads:[~2024-05-11 10:47 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-04 10:01 uk7b
2024-05-04 10:08 ` flow gg
2024-05-04 17:53 ` Rémi Denis-Courmont
2024-05-05 9:15 ` uk7b
2024-05-05 9:18 ` flow gg
2024-05-05 19:26 ` Rémi Denis-Courmont
2024-05-10 8:21 ` uk7b
2024-05-12 11:48 ` Rémi Denis-Courmont
2024-05-12 12:43 ` uk7b
2024-05-12 12:43 ` flow gg
2024-05-12 12:57 ` uk7b
2024-05-10 8:22 ` flow gg
2024-05-10 15:34 ` Rémi Denis-Courmont
2024-05-11 10:02 ` flow gg
2024-05-11 10:24 ` Rémi Denis-Courmont
2024-05-11 10:47 ` flow gg [this message]
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