unofficial mirror of bug-gnu-emacs@gnu.org 
 help / color / mirror / code / Atom feed
From: Eli Zaretskii <eliz@gnu.org>
To: dick <dick.r.chiang@gmail.com>
Cc: gregory@heytings.org, 57669@debbugs.gnu.org
Subject: bug#57669: 29.0.50; C-n, C-p off under long lines
Date: Fri, 09 Sep 2022 18:49:16 +0300	[thread overview]
Message-ID: <834jxgczur.fsf@gnu.org> (raw)
In-Reply-To: <87edwkhb0r.fsf@dick> (message from dick on Fri, 09 Sep 2022 10:34:28 -0400)

> Cc: 57669@debbugs.gnu.org
> From: dick <dick.r.chiang@gmail.com>
> Date: Fri, 09 Sep 2022 10:34:28 -0400
> 
> > Try the same with a buffer with 10 lines, each of which is 10 MB long.
> 
> I don't have the patience for 10MB.  How about 0.1MB?
> 
> OUTPUT:
> 
> Under long-line-threshold=nil find-file ineffable
> Under long-line-threshold=10000 find-file 99s

This means on average 1 sec per C-n.  Which is tolerable.

> Under long-line-threshold=nil find-file-literally ineffable
> Under long-line-threshold=10000 find-file-literally 8s

We know that visiting a file literally makes this much faster, but it
also loses a lot of features that we prefer not to lose.  Like display
of non-ASCII characters, for example.





  parent reply	other threads:[~2022-09-09 15:49 UTC|newest]

Thread overview: 54+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-08  5:40 bug#57669: 29.0.50; C-n, C-p off under long lines dick.r.chiang
2022-09-08  7:38 ` Gregory Heytings
2022-09-08  8:17 ` Eli Zaretskii
2022-09-08 12:02   ` dick
2022-09-08 17:12     ` Gregory Heytings
2022-09-08 18:13       ` dick
2022-09-08 18:26         ` Gregory Heytings
2022-09-09  6:00         ` Eli Zaretskii
2022-09-09 13:08           ` dick
2022-09-09 13:38             ` Gregory Heytings
2022-09-09 14:34               ` dick
2022-09-09 14:39                 ` Gregory Heytings
2022-09-09 15:06                   ` dick
2022-09-09 15:41                     ` Gregory Heytings
2022-09-09 16:30                       ` dick
2022-09-09 16:42                         ` Gregory Heytings
2022-09-09 17:11                           ` dick
2022-09-09 18:09                             ` Gregory Heytings
2022-09-09 15:49                 ` Eli Zaretskii [this message]
2022-09-09 15:58                   ` Gregory Heytings
2022-09-09 16:04                     ` Eli Zaretskii
2022-09-09 14:12             ` Eli Zaretskii
2022-09-09 15:04               ` dick
2022-09-09 15:19                 ` Gregory Heytings
2022-09-09 15:52                   ` dick
2022-09-09 16:03                     ` Eli Zaretskii
2022-09-09 16:06                       ` Gregory Heytings
2022-09-09 16:19                         ` Eli Zaretskii
2022-09-09 16:25                           ` Gregory Heytings
2022-09-09 17:44                           ` dick
2022-09-09 18:06                             ` Eli Zaretskii
2022-09-09 18:22                               ` dick
2022-09-09 18:57                                 ` Eli Zaretskii
2022-09-09 19:28                                   ` dick
2022-09-09 19:38                                     ` Eli Zaretskii
2022-09-09 19:55                                   ` dick
2022-09-09 21:28                                     ` Gregory Heytings
2022-09-09 22:00                                       ` dick
2022-09-09 22:44                                         ` Gregory Heytings
2022-09-09 23:27                                           ` dick
2022-09-10  8:32                                             ` Eli Zaretskii
2022-09-10 12:51                                               ` dick
2022-09-10 13:09                                                 ` Eli Zaretskii
2022-09-10 13:29                                                   ` Eli Zaretskii
2022-09-10 13:22                                                 ` Eli Zaretskii
2022-09-10 14:03                                                   ` dick
2022-09-10 14:20                                                     ` Eli Zaretskii
2022-09-10 14:52                                                       ` dick
2022-09-10 10:26                                             ` Gregory Heytings
2022-09-10  7:45                                     ` Eli Zaretskii
2022-09-10 12:07                                       ` dick
2022-09-10 12:20                                         ` dick
2022-09-10 12:24                                         ` Eli Zaretskii
2022-09-10 16:55                                       ` Gregory Heytings

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

  List information: https://www.gnu.org/software/emacs/

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=834jxgczur.fsf@gnu.org \
    --to=eliz@gnu.org \
    --cc=57669@debbugs.gnu.org \
    --cc=dick.r.chiang@gmail.com \
    --cc=gregory@heytings.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
Code repositories for project(s) associated with this public inbox

	https://git.savannah.gnu.org/cgit/emacs.git

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).