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Re: Low redisplay performance (23 regression)
From: |
Chong Yidong |
Subject: |
Re: Low redisplay performance (23 regression) |
Date: |
Wed, 22 Apr 2009 12:28:31 -0400 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/23.0.91 (gnu/linux) |
David Reitter <address@hidden> writes:
> I can corroborate these observations (subjectively FWIW) with
> different modes such as SLIME and on NS (on OS X). So I don't think
> it's anything system-related (drivers, X, etc).
>
> Note that if I run tabbar, but just set header-line-format to
> something simpler (without all those faces), then I get a substantial
> speedup.
So, the slowdown may be related to displaying multiple faces? I have
not experienced anything like this, myself. If you do M-x
list-faces-display and scroll through that buffer, is there a slowdown?
It's possible that tabbar is doing something with its face computation
that is much more expensive on Emacs 23 than on Emacs 22; I don't have
time to look at its code, however.
- Re: Low redisplay performance (23 regression), (continued)
- Re: Low redisplay performance (23 regression), David Reitter, 2009/04/21
- Re: Low redisplay performance (23 regression), Juanma Barranquero, 2009/04/21
- Re: Low redisplay performance (23 regression), Eli Zaretskii, 2009/04/21
- Re: Low redisplay performance (23 regression), Eli Zaretskii, 2009/04/21
- Re: Low redisplay performance (23 regression), Juanma Barranquero, 2009/04/21
- Re: Low redisplay performance (23 regression), David Reitter, 2009/04/21
- Re: Low redisplay performance (23 regression), Chong Yidong, 2009/04/21
- Re: Low redisplay performance (23 regression), David Reitter, 2009/04/21
- Re: Low redisplay performance (23 regression), Daniel Clemente, 2009/04/22
- Re: Low redisplay performance (23 regression), David Reitter, 2009/04/22
- Re: Low redisplay performance (23 regression),
Chong Yidong <=
- Re: Low redisplay performance (23 regression), David Reitter, 2009/04/22
- Re: Low redisplay performance (23 regression), Willem Rein Oudshoorn, 2009/04/23
- Re: Low redisplay performance (23 regression), Miles Bader, 2009/04/23
- Re: Low redisplay performance (23 regression), YAMAMOTO Mitsuharu, 2009/04/22
- ftx font driver [Re: Low redisplay performance (23 regression)], Kenichi Handa, 2009/04/22
- Re: ftx font driver [Re: Low redisplay performance (23 regression)], YAMAMOTO Mitsuharu, 2009/04/23
- Re: ftx font driver [Re: Low redisplay performance (23 regression)], Kenichi Handa, 2009/04/23
- Re: ftx font driver [Re: Low redisplay performance (23 regression)], Chong Yidong, 2009/04/23
- Re: ftx font driver [Re: Low redisplay performance (23 regression)], Stefan Monnier, 2009/04/23
- Re: ftx font driver [Re: Low redisplay performance (23 regression)], Kenichi Handa, 2009/04/23