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

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Message #26 received at 58558 <at> debbugs.gnu.org (full text, mbox):

From: Ihor Radchenko <yantar92 <at> posteo.net>
To: Lars Ingebrigtsen <larsi <at> gnus.org>
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 10:53:46 +0000

Lars Ingebrigtsen <larsi <at> gnus.org> writes:

>> The slowdown becomes slightly better, but nowhere close to Emacs 28:
>>
>> ;; Emacs 29
>> ;; Elapsed time: 16.953404s
>> ;; Emacs 29 + clean-mode
>> ;; Elapsed time: 13.290568s
>> ;; Emacs 28
>> ;; Elapsed time: 0.869748s
>
> Hm...  Another test -- could you try `find-file-literally' on the Org
> file and repeat the search?

I just switched between Emacs 28 and Emacs 29 and I do note that
right after loading Emacs and the Org file, Emacs 29 takes similar time
with Emacs 28.

I do know that things will get back to slow after a while. This problem
has been around on my machine for a long time.

I will report once I use Emacs long enough to observe the slowdown.

-- 
Ihor Radchenko // yantar92,
Org mode contributor,
Learn more about Org mode at <https://orgmode.org/>.
Support Org development at <https://liberapay.com/org-mode>,
or support my work at <https://liberapay.com/yantar92>

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