GNU bug report logs - #15841
Display bugs with cache-long-lines non-nil

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Package: emacs;

Reported by: Eli Zaretskii <eliz <at> gnu.org>

Date: Sat, 9 Nov 2013 08:20:02 UTC

Severity: normal

Tags: moreinfo

Merged with 15893, 15898, 15901, 15930, 15931, 15948, 15952

Found in version 24.3.50

Done: Eli Zaretskii <eliz <at> gnu.org>

Bug is archived. No further changes may be made.

Full log

Message #8 received at 15841 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Michael Heerdegen <michael_heerdegen <at> web.de>
Cc: 15841 <at> debbugs.gnu.org, nbtrap <at> nbtrap.com
Subject: Re: bug#15841: Display bugs with cache-long-lines non-nil
Date: Sat, 09 Nov 2013 10:31:45 +0200

> From: Michael Heerdegen <michael_heerdegen <at> web.de>
> Date: Sat, 09 Nov 2013 03:37:49 +0100
> Cc: 15797 <at> debbugs.gnu.org, kjambunathan <at> gmail.com
> 
> I see something probably related.  Sometimes, evaluating
> 
>   (line-number-at-pos)
> 
> at the end of my .emacs (10000 lines) needs over a second.  Doing
> 
>   (setq cache-long-scans nil)
> 
> immediately fixes this.  Dunno yet how to provoke the problem.

Please do try to find a recipe.  I just did that with xdisp.c (almost
30000 lines), and couldn't reproduce this.  line-number-at-pos is
instantaneous, whether I try it at the beginning, the end, or the
middle of the file.
This bug report was last modified 11 years and 172 days ago.

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