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

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From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Ihor Radchenko <yantar92 <at> posteo.net>
Cc: 58558 <at> debbugs.gnu.org
Subject: bug#58558: 29.0.50; re-search-forward is slow in some buffers
Date: Sun, 16 Oct 2022 11:19:30 +0200

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

> It happens consistently in Emacs 29, but not in all buffers. Sometimes,
> it only happens after some time after Emacs startup. The slowdown is not
> there in Emacs 28.

Is there anything special about buffers where you see these slowdowns?
For instance, a large number of text properties or overlays?

(length (object-intervals (current-buffer)))

will tell you how many text properties there are (sort of), and

(length (overlays-in (point-min) (point-max)))

should tell you the same for overlays.

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