From: Eli Zaretskii <eliz@gnu.org>
To: Lars Magne Ingebrigtsen <larsi@gnus.org>
Cc: 10408@debbugs.gnu.org, ivan.kanis@googlemail.com
Subject: bug#10408: 24.0.92; gnus sluggish with large mailbox at the end
Date: Thu, 05 Jan 2012 08:17:37 -0500 [thread overview]
Message-ID: <E1RinCL-0007Ki-BZ@fencepost.gnu.org> (raw)
In-Reply-To: <m3mxa2fjpv.fsf@stories.gnus.org> (message from Lars Magne Ingebrigtsen on Thu, 05 Jan 2012 12:54:20 +0100)
> From: Lars Magne Ingebrigtsen <larsi@gnus.org>
> Cc: 10408@debbugs.gnu.org, Eli Zaretskii <eliz@gnu.org>
> Date: Thu, 05 Jan 2012 12:54:20 +0100
>
> Ivan Kanis <ivan.kanis@googlemail.com> writes:
>
> > It's moving the cursor around. I have seen it on Debian 6.0 and Ubuntu
> > 10.10. When I get round to it I'll give a -Q recipe. Do you have font
> > lock enabled?
>
> Gnus doesn't use font lock, but slow cursor movements in large buffers
> may indicate that there's bidi redisplay issues.
>
> Eli, what's the best test to determine whether this is bidi-related?
M-: (setq bidi-display-reordering nil) RET
After that, repeat the slow commands, compare with Emacs 23 for the
same buffer. If turning off bidi-display-reordering makes Emacs as
fast as Emacs 23, it's a bidi problem, if it's still slower than Emacs
23, even if it's faster than with bidi-display-reordering turned on,
then it's probably something else.
If the buffer is saved to a file and then that file visited as a
normal file (e.g., in Fundamental mode), does the OP see a similar
slowdown? If so, is it possible to post the buffer itself here, or at
least send it to me via private email?
next prev parent reply other threads:[~2012-01-05 13:17 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-30 7:19 bug#10408: 24.0.92; gnus sluggish with large mailbox at the end Ivan Kanis
2012-01-03 20:14 ` Lars Magne Ingebrigtsen
2012-01-04 8:29 ` Ivan Kanis
2012-01-04 20:08 ` Lars Magne Ingebrigtsen
2012-01-05 8:29 ` Ivan Kanis
2012-01-05 11:54 ` Lars Magne Ingebrigtsen
2012-01-05 13:17 ` Eli Zaretskii [this message]
2012-01-12 10:13 ` Ivan Kanis
2012-01-25 23:29 ` Lars Ingebrigtsen
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