GNU bug report logs - #63040
30.0.50; Performance of buf_bytepos_to_charpos when a buffer has large number of markers

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Message #26 received at 63040 <at> debbugs.gnu.org (full text, mbox):

From: Ihor Radchenko <yantar92 <at> posteo.net>
To: Stefan Monnier <monnier <at> iro.umontreal.ca>
Cc: 63040 <at> debbugs.gnu.org
Subject: Re: bug#63040: 30.0.50; Performance of buf_bytepos_to_charpos when
 a buffer has large number of markers
Date: Wed, 26 Jun 2024 12:47:02 +0000

Stefan Monnier <monnier <at> iro.umontreal.ca> writes:

> Hi Ihor,
>
>> When investigating `re-search-forward' performance in
>> https://debbugs.gnu.org/cgi/bugreport.cgi?bug=58558 (bug#58558), I
>> noticed that buf_bytepos_to_charpos is taking most of the CPU time,
>> according to perf stats.
>
> I couldn't find a recipe to reproduce the problem.
> Could you point me to it?

The recipe is gone, because 0x0 has already deleted the reproducer I
managed to create (it was a large file). Although, I am still able to
reproduce with my private .org files. I am using the i < 50 hack as a
remedy.

-- 
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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