From: "Rémi Denis-Courmont" <remi@remlab.net>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Cc: flow gg <hlefthleft@gmail.com>
Subject: Re: [FFmpeg-devel] [PATCH 1/7] lavc/me_cmp: R-V V pix_abs
Date: Tue, 06 Feb 2024 18:58:16 +0200
Message-ID: <16107440.OcfgGqBmcW@basile.remlab.net> (raw)
In-Reply-To: <CAEa-L+vs5ko-u_sR-2PKDz__Nt_2KoXCWKzycQhOWPK8q9ULUQ@mail.gmail.com>
Hi,
To sum a vector, you should only reduce once at the end of the function, c.f.
how it's done in existing scalar products. Reduction instructions are
(intrinsically) slow.
--
Rémi Denis-Courmont
http://www.remlab.net/
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next prev parent reply other threads:[~2024-02-06 16:58 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-06 15:55 flow gg
2024-02-06 16:58 ` Rémi Denis-Courmont [this message]
2024-02-07 0:01 ` flow gg
2024-02-08 19:41 ` Rémi Denis-Courmont
2024-02-08 22:39 ` flow gg
2024-02-09 10:32 ` Rémi Denis-Courmont
2024-02-09 15:34 ` flow gg
2024-02-10 9:14 ` Rémi Denis-Courmont
2024-02-10 9:15 ` Rémi Denis-Courmont
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