From: David Reitter <david.reitter@gmail.com>
To: Tassilo Horn <tassilo@member.fsf.org>
Cc: emacs-devel@gnu.org
Subject: Re: Low redisplay performance (23 regression)
Date: Wed, 29 Apr 2009 13:49:26 -0400 [thread overview]
Message-ID: <24EC426D-D6DA-438B-B794-72C123142235@gmail.com> (raw)
In-Reply-To: <87r5zb4auv.fsf@thinkpad.tsdh.de>
On Apr 29, 2009, at 1:40 PM, Tassilo Horn wrote:
>
> And on yet another related note, today I've found out that after
> changing the font scale for the current buffer using `C-x C-+' or `C-x
> C--' line-by-line scrolling slows down considerably.
As said earlier, I found that using face-remapping is highly
correlated with this slow-down.
> Oh, yet another observation: While writing this mail I enlarged the
> text
> scale with `C-x C-+' and if I press and hold the up or down key, point
> hangs for very short periods of time at some positions and then jumps
> over some lines without visible redisplay, even though no scrolling at
> all is done.
I see the same thing. Did you (setq redisplay-dont-pause t) ?
Either way, it suggests that drawing takes much longer with a change
of faces. (E.g., M-x list-faces-display ?)
next prev parent reply other threads:[~2009-04-29 17:49 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-20 21:58 Low redisplay performance (23 regression) David Reitter
2009-04-20 22:31 ` Deniz Dogan
2009-04-20 22:33 ` Chong Yidong
2009-04-20 23:20 ` David Reitter
2009-04-21 3:15 ` Eli Zaretskii
2009-04-21 12:36 ` Juanma Barranquero
2009-04-21 13:51 ` David Reitter
2009-04-21 14:20 ` Juanma Barranquero
2009-04-21 18:58 ` Eli Zaretskii
2009-04-21 19:07 ` Eli Zaretskii
2009-04-21 23:24 ` Juanma Barranquero
2009-04-21 20:19 ` David Reitter
2009-04-21 20:53 ` Chong Yidong
2009-04-21 22:15 ` David Reitter
2009-04-22 15:30 ` Daniel Clemente
2009-04-22 15:50 ` David Reitter
2009-04-22 16:28 ` Chong Yidong
2009-04-22 18:26 ` David Reitter
2009-04-23 13:34 ` Willem Rein Oudshoorn
2009-04-23 22:45 ` Miles Bader
2009-05-06 13:28 ` Willem Rein Oudshoorn
2009-04-22 22:58 ` YAMAMOTO Mitsuharu
2009-04-23 1:01 ` ftx font driver [Re: Low redisplay performance (23 regression)] Kenichi Handa
2009-04-23 7:31 ` YAMAMOTO Mitsuharu
2009-04-23 11:22 ` Kenichi Handa
2009-04-23 12:38 ` Chong Yidong
2009-04-23 14:56 ` Stefan Monnier
2009-04-24 1:09 ` Kenichi Handa
2009-04-24 2:01 ` Stefan Monnier
2009-04-24 3:52 ` Chong Yidong
2009-04-25 14:38 ` Chong Yidong
2009-04-21 23:16 ` Low redisplay performance (23 regression) Juanma Barranquero
2009-04-21 14:56 ` William Xu
2009-04-21 15:30 ` David Reitter
2009-04-22 14:25 ` William Xu
2009-04-29 10:17 ` Tobias C. Rittweiler
2009-04-29 11:54 ` David Reitter
2009-04-29 13:33 ` Stefan Monnier
2009-04-29 17:35 ` Tobias C. Rittweiler
2009-04-29 20:20 ` Stefan Monnier
2009-04-30 7:34 ` Tobias C. Rittweiler
2009-04-30 20:00 ` Stefan Monnier
2009-04-30 20:34 ` Tobias C. Rittweiler
2009-04-29 18:01 ` Tobias C. Rittweiler
2009-04-29 17:40 ` Tassilo Horn
2009-04-29 17:49 ` David Reitter [this message]
2009-04-29 18:21 ` Tassilo Horn
[not found] ` <14FF0914-56BA-41D6-85DA-A4024694CF75@gmail.com>
2009-04-29 19:45 ` Tassilo Horn
2009-04-29 18:45 ` Chong Yidong
2009-04-30 2:46 ` YAMAMOTO Mitsuharu
2009-04-30 3:49 ` Chong Yidong
2009-04-30 6:27 ` YAMAMOTO Mitsuharu
2009-04-29 22:10 ` Miles Bader
2009-04-30 5:05 ` Chong Yidong
2009-04-30 7:53 ` Tobias C. Rittweiler
2009-04-30 9:37 ` Tassilo Horn
2009-04-30 12:44 ` David Reitter
2009-04-29 18:38 ` Dan Nicolaescu
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