GNU bug report logs - #42911
28.0.50; write_region sometimes extremely very slow

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Package: emacs;

Reported by: Tino Calancha <tino.calancha <at> gmail.com>

Date: Tue, 18 Aug 2020 09:47:02 UTC

Severity: normal

Found in version 28.0.50

Done: Tino Calancha <tino.calancha <at> gmail.com>

Bug is archived. No further changes may be made.

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Tino Calancha <tino.calancha <at> gmail.com>
Cc: uyennhi.qm <at> gmail.com, 42911 <at> debbugs.gnu.org
Subject: bug#42911: 28.0.50; write_region sometimes extremely very slow
Date: Tue, 18 Aug 2020 13:44:56 +0300

> From: Tino Calancha <tino.calancha <at> gmail.com>
> Date: Tue, 18 Aug 2020 11:46:13 +0200
> Cc: uyennhi.qm <at> gmail.com
> 
> Recipe:
> emacs -Q ~/save-buffer-slow.txt
> ;; insert few characters and run
> M-: (benchmark-run nil (save-buffer))
> 
> ;; Repeat several times: sometimes it takes a reasonable time, but
> ;; in others it takes huge time
> ;; (6-10 s to save a buffer with less that 50 characters)
> 
> It happens randomly.

Did you check that GC doesn't kick in when the "slow" saving happens?
This bug report was last modified 3 years and 360 days ago.

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