[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
bug#56682: Fix the long lines font locking related slowdowns
From: |
Eli Zaretskii |
Subject: |
bug#56682: Fix the long lines font locking related slowdowns |
Date: |
Fri, 22 Jul 2022 17:11:52 +0300 |
> Date: Fri, 22 Jul 2022 10:16:52 +0000
> From: Gregory Heytings <gregory@heytings.org>
> cc: Eli Zaretskii <eliz@gnu.org>
>
>
> The first step of the font locking related improvements was easier than I
> thought.
>
> Two following commands:
>
> 1. C-x C-f dictionary.json RET y
>
> 2. C-e
>
> on my laptop, with Emacs from master from a week ago, take respectively
> 150 seconds and 40 seconds. With the improvements on master, 1 is
> instantaneous but 2 still takes about 5 seconds. Now, with the changes in
> the feature/long-lines-and-font-locking branch, both are instantaneous.
> The price of that speedup is that some portions of the buffer will be
> mis-highlighted, which is unavoidable.
Thanks. This is indeed the immediate idea for that aspect, but I
wonder what would developers of some major modes which widen the
buffer say about this. Some of them were very much against such
restrictions in the past.
- 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, 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