Subject: bug#58558: 29.0.50; re-search-forward is slow in some buffers

From: Ihor Radchenko <[email-masked]>
Date: Sun, 16 Oct 2022 09:34:58 +0000

Lars Ingebrigtsen <[email-masked]> 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?

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)

> 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.

=> 1

-- 
Ihor Radchenko // yantar92,
Org mode contributor,
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