GNU bug report logs - #14886
Slowdown on font-lock-fontify-buffer

Previous Next

Package: emacs;

Reported by: Juanma Barranquero <lekktu <at> gmail.com>

Date: Tue, 16 Jul 2013 23:05:02 UTC

Severity: normal

Found in version 24.3.50

Done: Lars Ingebrigtsen <larsi <at> gnus.org>

Bug is archived. No further changes may be made.

Full log

Message #55 received at 14886 <at> debbugs.gnu.org (full text, mbox):

From: Juanma Barranquero <lekktu <at> gmail.com>
To: Alan Mackenzie <acm <at> muc.de>
Cc: Paul Eggert <eggert <at> cs.ucla.edu>, 14886 <at> debbugs.gnu.org
Subject: Re: bug#14886: Fwd: bug#14886: Fwd: A significant slowdown calling
 font-lock-fontify-buffer from a hook
Date: Wed, 24 Jul 2013 23:29:00 +0200

> When I try this on today's trunk (just updated to rev #113531), I get
> 28.2s.  The same on Emacs 24.3 aborts with some sort of error in ~1.5s
> (although there is no error message visible).

In that case, a few conclusions:

- Font-lock-fontify-buffer should not be called from a hook.
- Errors during fontification should be visible. That would have made
clear that there was something wrong with the 24.3 use case.

   J
This bug report was last modified 5 years and 210 days ago.

Previous Next

GNU bug tracking system
Copyright (C) 1999 Darren O. Benham, 1997,2003 nCipher Corporation Ltd, 1994-97 Ian Jackson.