GNU bug report logs - #56682
Fix the long lines font locking related slowdowns

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Package: emacs;

Reported by: Gregory Heytings <gregory <at> heytings.org>

Date: Thu, 21 Jul 2022 18:01:01 UTC

Severity: normal

Done: Gregory Heytings <gregory <at> heytings.org>

Bug is archived. No further changes may be made.

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From: Gerd Möllmann <gerd.moellmann <at> gmail.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 56682 <at> debbugs.gnu.org, Gregory Heytings <gregory <at> heytings.org>, Stefan Monnier <monnier <at> iro.umontreal.ca>
Subject: bug#56682: Fix the long lines font locking related slowdowns
Date: Sat, 23 Jul 2022 10:00:14 +0200

[Message part 1 (text/plain, inline)]
> Gerd Möllmann <gerd.moellmann <at> gmail.com> writes:
>
>> Font-lock       Output
>> ------------------------------------------------------------
>> on              GCs: 14 Elapsed time: 7.880788 seconds
>   on, and large gc-const-threshold
>                   GCs: 0 Elapsed time: 7.720531 seconds
>> off             GCs: 2 Elapsed time: 0.885791 seconds

I've profiled this.  The result looks sensible, but I have to add that I
had mixed results with profiling optimized builds, so maybe...  Just
saying.

Sorry for posting an image.  I haven't found a way to get that info from
Instruments as text (pointers welcome).


[Screenshot 2022-07-23 at 9.52.41 .png (image/png, inline)]
This bug report was last modified 2 years and 8 days ago.

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