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bug#56682: Fix the long lines font locking related slowdowns
From: |
Gerd Möllmann |
Subject: |
bug#56682: Fix the long lines font locking related slowdowns |
Date: |
Sat, 23 Jul 2022 09:07:53 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (darwin) |
Eli Zaretskii <eliz@gnu.org> writes:
> on long-line.xml produces a 15-fold slowdown with font-lock turned on
> as compared to its being turned off (203 sec vs 13 sec).
>
> This is an unoptimized build, so you will probably see times that are
> 4 times faster, but I'd be interested in the relative times on your
> system. Any explanations of the slowdown are also welcome.
MacOS 12.5, M1 chip
Head: 792734a6e2cd5558debc8d9fe95d34cb3e809fa4 Improve efficiency of DND
tooltip movement
./configure --with-native-compilation
The long-lines.xml is 313295 bytes. Hope that's the right one.
Font-lock Output
------------------------------------------------------------
on GCs: 14 Elapsed time: 7.880788 seconds
off GCs: 2 Elapsed time: 0.885791 seconds
- bug#56682: Fix the long lines font locking related slowdowns, Gregory Heytings, 2022/07/21
- bug#56682: Fix the long lines font locking related slowdowns, Eli Zaretskii, 2022/07/23
- bug#56682: Fix the long lines font locking related slowdowns,
Gerd Möllmann <=
- bug#56682: Fix the long lines font locking related slowdowns, Eli Zaretskii, 2022/07/23
- bug#56682: Fix the long lines font locking related slowdowns, Gerd Möllmann, 2022/07/23
- bug#56682: Fix the long lines font locking related slowdowns, Gerd Möllmann, 2022/07/23
- bug#56682: Fix the long lines font locking related slowdowns, Gerd Möllmann, 2022/07/23
- bug#56682: Fix the long lines font locking related slowdowns, Gerd Möllmann, 2022/07/23
- bug#56682: Fix the long lines font locking related slowdowns, Gerd Möllmann, 2022/07/23
- bug#56682: Fix the long lines font locking related slowdowns, Eli Zaretskii, 2022/07/23
- bug#56682: Fix the long lines font locking related slowdowns, Gerd Möllmann, 2022/07/23
- bug#56682: Fix the long lines font locking related slowdowns, Gerd Möllmann, 2022/07/23
- bug#56682: Fix the long lines font locking related slowdowns, Eli Zaretskii, 2022/07/23