GNU bug report logs -
#8890
23.3; message writing slows emacs
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Reported by: Dave Abrahams <dave <at> boostpro.com>
Date: Sat, 18 Jun 2011 16:46:02 UTC
Severity: normal
Found in version 23.3
Fixed in version 29.1
Done: Lars Ingebrigtsen <larsi <at> gnus.org>
Bug is archived. No further changes may be made.
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> From: Dave Abrahams <dave <at> boostpro.com>
> Cc: larsi <at> gnus.org, 8890 <at> debbugs.gnu.org
> Date: Sun, 11 Sep 2011 06:45:39 -0400
>
> If you're just updating percentage complete, please don't do
> it more than once every .5 seconds... at the fastest!
Agreed, but that's something for the application programmers to
consider, not for the infrastructure.
> > Redisplay always slows down, but on any modern machine displaying only
> > the echo area should take a few milliseconds at the most, so I'd be
> > surprised if some real slowdown was involved.
>
> Don't forget that messages also fill up the *Messages* buffer.
I think that's so fast it can be ignored, unless _generating_ these
messages takes non-trivial computations.
> > Anyway, can you describe the situation in which you see these flashing
> > messages? The only one I can think of is when Emacs starts up and
> > restores a previous session. Is that your use case, or did you see
> > this in other situations?
>
> Yeah, there's something in Gnus, perhaps article expiry, that seems slow
> mostly because gnus-verbose defaults to 7 and it writes out gobs of
> messages. When I turned gnus-verbose down it seemed a lot faster.
Maybe there's something specific to Gnus, then. In which case it's a
good thing we have Lars listening ;-)
This bug report was last modified 3 years and 45 days ago.
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