From: Eli Zaretskii <eliz@gnu.org>
To: Stefan Monnier <monnier@iro.umontreal.ca>
Cc: dave@boostpro.com, 8890@debbugs.gnu.org
Subject: bug#8890: 23.3; message writing slows emacs
Date: Fri, 16 Sep 2011 16:45:32 +0300 [thread overview]
Message-ID: <83ehzgvbwj.fsf@gnu.org> (raw)
In-Reply-To: <jwvy5xotz6c.fsf-monnier+emacs@gnu.org>
> From: Stefan Monnier <monnier@iro.umontreal.ca>
> Date: Fri, 16 Sep 2011 09:18:51 -0400
> Cc: 8890@debbugs.gnu.org
>
> "A few milliseconds" sounds negligible, but if it's done at every
> iteration of a loop whose body takes less than a millisecond to run
> (we can do a lot of work in a millisecond on today's machines), then
> it's a major slowdown.
Then programmers who run those loops should update the progress less
aggressively. Redisplay (and infrastructure in general) lack the
context that would allow them to make good decisions as to when defer
repeated display. Only the calling application can know that.
> (we can do a lot of work in a millisecond on today's machines)
From my experience, if a full redisplay cycle takes less than 50 ms,
it "feels" responsive enough.
next prev parent reply other threads:[~2011-09-16 13:45 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-18 16:45 bug#8890: 23.3; message writing slows emacs Dave Abrahams
2011-09-11 4:32 ` Lars Magne Ingebrigtsen
2011-09-11 6:54 ` Dave Abrahams
2011-09-11 8:55 ` Eli Zaretskii
2011-09-11 10:45 ` Dave Abrahams
2011-09-11 11:20 ` Eli Zaretskii
2011-09-11 11:30 ` Dave Abrahams
2011-09-11 14:52 ` Lars Magne Ingebrigtsen
2011-09-11 15:58 ` Eli Zaretskii
2011-09-11 16:39 ` Dave Abrahams
2011-09-16 2:22 ` Dave Abrahams
2011-09-16 8:54 ` Eli Zaretskii
2011-09-11 14:51 ` Lars Magne Ingebrigtsen
2011-09-16 13:18 ` Stefan Monnier
2011-09-16 13:45 ` Eli Zaretskii [this message]
2011-09-16 14:20 ` Stefan Monnier
2011-09-16 15:11 ` Dave Abrahams
2011-09-17 5:19 ` Lars Magne Ingebrigtsen
2011-09-17 6:23 ` Dave Abrahams
2011-09-17 8:25 ` Eli Zaretskii
2011-09-17 8:29 ` Lars Magne Ingebrigtsen
2011-09-17 9:24 ` Eli Zaretskii
2011-09-17 12:01 ` Juri Linkov
2011-09-17 21:06 ` Stefan Monnier
2011-09-18 6:50 ` Lars Magne Ingebrigtsen
2011-09-18 13:16 ` Stefan Monnier
2011-09-21 19:01 ` Lars Magne Ingebrigtsen
2022-04-26 13:20 ` Lars Ingebrigtsen
2011-09-16 15:09 ` Dave Abrahams
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