From: "Rémi Denis-Courmont" <remi@remlab.net>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Subject: Re: [FFmpeg-devel] [PATCH] libavfilter/af_afir: R-V V dcmul_add
Date: Fri, 22 Dec 2023 17:45:57 +0200
Message-ID: <2306162.ElGaqSPkdT@basile.remlab.net> (raw)
In-Reply-To: <CAEa-L+ujuo1kEF6oKTvQbUue_z2qMd8jesfL-svg9-foqc42Ww@mail.gmail.com>
Le perjantaina 22. joulukuuta 2023, 3.41.29 EET flow gg a écrit :
> It's at c908
>
> According to the benchmark results, if vlseg2e64 is used, the speed is
> almost as slow as C language (dcmul_add_rvv_f64: 86.2), if vsseg2e64 is
> used, it will be only a bit slower (dcmul_add_rvv_f64: 50.2).
Fair enough but yikes. I doubt that this is going to turn out well on other
vendors' upcoming IPs.
--
雷米‧德尼-库尔蒙
http://www.remlab.net/
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prev parent reply other threads:[~2023-12-22 15:46 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-19 2:53 flow gg
2023-12-21 20:52 ` Rémi Denis-Courmont
2023-12-22 1:41 ` flow gg
2023-12-22 15:45 ` Rémi Denis-Courmont [this message]
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