GNU bug report logs - #56682
Fix the long lines font locking related slowdowns

Previous Next

Package: emacs;

Reported by: Gregory Heytings <gregory <at> heytings.org>

Date: Thu, 21 Jul 2022 18:01:01 UTC

Severity: normal

Done: Gregory Heytings <gregory <at> heytings.org>

Bug is archived. No further changes may be made.

Full log


Message #1744 received at 56682 <at> debbugs.gnu.org (full text, mbox):

From: Dmitry Gutov <dgutov <at> yandex.ru>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 56682 <at> debbugs.gnu.org, gregory <at> heytings.org, monnier <at> iro.umontreal.ca
Subject: Re: bug#56682: Fix the long lines font locking related slowdowns
Date: Tue, 16 Aug 2022 17:39:15 +0300
On 16.08.2022 17:10, Eli Zaretskii wrote:
>> Date: Tue, 16 Aug 2022 17:00:18 +0300
>> Cc: 56682 <at> debbugs.gnu.org, gregory <at> heytings.org, monnier <at> iro.umontreal.ca
>> From: Dmitry Gutov <dgutov <at> yandex.ru>
>>
>>>> It's a buffer without long lines. Simply a large file.
>>>
>>> ??? Are we talking about long-line.xml, or are we talking about
>>> some other file?  We did nothing to change the behavior in large files
>>> without long lines.
>>
>> I'm talking about a 20 MB file I created manually with some simple
>> contents. Just no long lines.
> 
> That's a different problem, one we didn't try to fix yet.
> 
>>> If you are saying that 'recenter' takes too long in some file, and
>>> therefore delays M-> for too long, it is probably a separate issue, so
>>> please report that as a separate bug, preferably with the file that
>>> causes it.
>>
>> It seems pertinent to me since ultimately the decision to narrow in
>> handle_fontified_prop is driven by the idea that font-lock in large
>> files ends up being a problem anyway. And here we have a large file
>> where this doesn't help.
> 
> Because it's a different problem, with likely a different solution.
> 
>> But I can file it separately, of course.
> 
> Yes, please.

Bug#57245. Thanks.




This bug report was last modified 2 years and 8 days ago.

Previous Next


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