From: Eli Zaretskii <eliz@gnu.org>
To: Juri Linkov <juri@linkov.net>
Cc: 44983@debbugs.gnu.org, dgutov@yandex.ru
Subject: bug#44983: Truncate long lines of grep output
Date: Wed, 02 Dec 2020 05:21:58 +0200 [thread overview]
Message-ID: <83eek8hoyx.fsf@gnu.org> (raw)
In-Reply-To: <87sg8p5kw0.fsf@mail.linkov.net> (message from Juri Linkov on Tue, 01 Dec 2020 22:35:55 +0200)
> From: Juri Linkov <juri@linkov.net>
> Cc: Dmitry Gutov <dgutov@yandex.ru>, 44983@debbugs.gnu.org
> Date: Tue, 01 Dec 2020 22:35:55 +0200
>
> >> Perhaps (setq truncate-lines t) could help in that case?
> >
> > Not necessarily, because the truncated parts are still in the buffer,
> > and the display code which is slow in that case basically moves
> > through the buffer one character at a time in many cases. Only some
> > specific scenarios (read: a small number of commands) can jump to the
> > next physical line disregarding the truncated parts.
>
> It's very strange that after adding the text property 'display "[…]"
> on a very long line, motion commands are still very slow in that buffer.
>
> Could you help to understand why hiding long regions
> doesn't help to improve performance?
I can try, but please tell which commands are slow. Is it C-f/C-b,
C-n/C-p, C-v/M-v, something else?
next prev parent reply other threads:[~2020-12-02 3:21 UTC|newest]
Thread overview: 57+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-01 8:45 bug#44983: Truncate long lines of grep output Juri Linkov
2020-12-01 15:02 ` Dmitry Gutov
2020-12-01 16:09 ` Eli Zaretskii
2020-12-01 16:46 ` Andreas Schwab
2020-12-01 18:26 ` Eli Zaretskii
2020-12-01 20:35 ` Juri Linkov
2020-12-02 3:21 ` Eli Zaretskii [this message]
2020-12-02 9:35 ` Juri Linkov
2020-12-02 10:28 ` Eli Zaretskii
2020-12-02 20:53 ` Juri Linkov
2020-12-03 14:47 ` Eli Zaretskii
2020-12-03 16:30 ` Rudolf Schlatte
2020-12-03 21:17 ` Juri Linkov
2020-12-05 19:47 ` Juri Linkov
2020-12-06 20:39 ` Juri Linkov
2020-12-06 21:37 ` Dmitry Gutov
2020-12-06 21:54 ` Juri Linkov
2020-12-07 2:41 ` Dmitry Gutov
2020-12-08 19:41 ` Juri Linkov
2020-12-09 3:00 ` Dmitry Gutov
2020-12-09 19:17 ` Juri Linkov
2020-12-09 20:06 ` Dmitry Gutov
2020-12-10 8:18 ` Juri Linkov
2020-12-10 20:48 ` Dmitry Gutov
2020-12-09 21:43 ` Jean Louis
2020-12-10 8:06 ` Juri Linkov
2020-12-10 10:08 ` Jean Louis
2020-12-12 20:42 ` Juri Linkov
2020-12-13 10:57 ` Jean Louis
2020-12-13 15:11 ` Eli Zaretskii
2020-12-13 15:37 ` Jean Louis
2020-12-13 20:17 ` Juri Linkov
2020-12-14 16:15 ` Eli Zaretskii
2020-12-14 20:09 ` Dmitry Gutov
2020-12-24 20:33 ` Juri Linkov
2020-12-24 23:38 ` Dmitry Gutov
2020-12-08 5:35 ` Richard Stallman
2020-12-08 19:15 ` Dmitry Gutov
2022-04-29 11:39 ` Lars Ingebrigtsen
2022-04-29 12:22 ` Eli Zaretskii
2022-04-29 12:41 ` Lars Ingebrigtsen
2022-04-29 13:08 ` Eli Zaretskii
2022-04-30 9:24 ` Lars Ingebrigtsen
2022-04-30 9:36 ` Lars Ingebrigtsen
2022-04-30 10:15 ` Eli Zaretskii
2022-04-30 11:04 ` Lars Ingebrigtsen
2022-04-29 16:02 ` Dmitry Gutov
2022-04-30 9:40 ` Lars Ingebrigtsen
2022-04-30 9:56 ` Lars Ingebrigtsen
2022-04-30 10:09 ` Eli Zaretskii
2022-04-30 10:59 ` Lars Ingebrigtsen
2022-04-30 11:02 ` Lars Ingebrigtsen
2022-04-30 11:12 ` Eli Zaretskii
2022-04-29 17:15 ` Juri Linkov
2022-04-30 0:27 ` Dmitry Gutov
2022-05-01 17:14 ` Juri Linkov
2020-12-01 20:34 ` Juri Linkov
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