GNU bug report logs - #58558
29.0.50; re-search-forward is slow in some buffers

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Message #14 received at 58558 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Ihor Radchenko <yantar92 <at> posteo.net>
Cc: 58558 <at> debbugs.gnu.org
Subject: Re: bug#58558: 29.0.50; re-search-forward is slow in some buffers
Date: Sun, 16 Oct 2022 11:37:18 +0200

Ihor Radchenko <yantar92 <at> posteo.net> writes:

>> Is there anything special about buffers where you see these slowdowns?
>
> This is a large complex Org buffer.
>
>> For instance, a large number of text properties or overlays?
>>
>> (length (object-intervals (current-buffer)))
>
> => 101075 (took over 10sec to complete the command)

If you switch the buffer to `clean-mode' (which should remove all text
props), does the slowdown disappear?  In that case, it seems likely that
the slowdown is connected to text properties, somehow.

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