From: "Sebastien Vauban" <sva-news-D0wtAvR13HarG/iDocfnWg@public.gmane.org>
To: Eli Zaretskii <eliz-mXXj517/zsQ@public.gmane.org>
Cc: 15876-ubl+/3LiMTaZdePnXv/OxA@public.gmane.org,
Dmitry Antipov
<dmantipov-o+MxOtu4lMCHXe+LvDLADg@public.gmane.org>
Subject: bug#15876: 24.3.50; Highly degraded performance between rev 114715 and 115006
Date: Sun, 01 Dec 2013 21:20:31 +0100 [thread overview]
Message-ID: <861u1w492o.fsf@somewhere.org> (raw)
In-Reply-To: <mailman.7746.1385915595.10748.bug-gnu-emacs-mXXj517/zsQ@public.gmane.org> (Eli Zaretskii's message of "Sun, 01 Dec 2013 18:31:51 +0200")
Eli Zaretskii wrote:
>> From: "Sebastien Vauban" <sva-news-D0wtAvR13HarG/iDocfnWg@public.gmane.org>
>> Cc: 15876-ubl+/3LiMTaZdePnXv/OxA@public.gmane.org
>> Date: Fri, 29 Nov 2013 22:01:10 +0100
>>
>> Eli Zaretskii wrote:
>> >> From: "Sebastien Vauban" <sva-news-D0wtAvR13HarG/iDocfnWg@public.gmane.org>
>> >> Cc: 15876-ubl+/3LiMTaZdePnXv/OxA@public.gmane.org
>> >> Date: Tue, 26 Nov 2013 21:52:05 +0100
>> >>
>> >> > So what is the minimum .emacs that will cause the problem?
>> >>
>> >> That does it:
>> >>
>> >> --8<---------------cut here---------------start------------->8---
>> >> ;; highlight trailing whitespaces in all modes
>> >> (setq-default show-trailing-whitespace t)
>> >>
>> >> (setq org-ellipsis " \u25B7") ; string
>> >> --8<---------------cut here---------------end--------------->8---
>> >
>> > And this makes Emacs slow in scrolling for any file you visit? Or
>> > just in Org buffers?
>>
>> No problem, with the same files, if I put them in `text-mode'. So, it becomes
>> apparent with Org.
>>
>> Remember I told there were similar speed problems with some Gnus buffer, but I
>> haven't tested them again.
>>
>> > If the latter, perhaps your Org files are special in some way, because
>> > the ones I tried don't show any slowdown I could sense.
>>
>> They aren't special, for two reasons:
>>
>> - They're not mine; they're public Org files taken from the Worg project ("Wiki
>> Org").
>>
>> - They work perfectly in Emacs rev 114715: no performance degradation
>> whatsoever.
>>
>> For the sake of clarity, I've redone a comparison of the two different Emacs
>> (r114715 and the recent r115235) on the same two Org files:
>>
>> - ChangeLog.org (1,156 bytes)
>> http://code.ohloh.net/file?fid=s6NzuuiKK0Nlga9EF-Vh8KzVXiw&cid=SNfK_pTfQmo&s=&fp=19410&mp=&projSelected=true#L0
>>
>> - org-faq.org (164,174 bytes)
>> http://code.ohloh.net/file?fid=Jk4U4mwQtJT_5LfYpl3sBLhj42s&cid=SNfK_pTfQmo&s=&fp=19410&mp=&projSelected=true#L0
>
> I looked at this issue.
>
> It has nothing to do with org-ellipsis, or the Org mode in general.
> To reproduce it, it's enough to do just this:
>
> emacs -Q
> C-x 8 RET 25b7 RET
>
> Now try moving the cursor across the line that displays the triangle
> character u+25B7.
Glad you could finally reproduce and observe my problem. I'm not a fool
anymore ;-)
> If you are on Windows 7, this will use the
> BatangChe font for the triangle, and every redisplay operation, even
> cursor motion, will be extremely slow. (On XP, this font is not
> installed, and even if I install it, I'm unable to trigger the same
> problem, for some reason.)
FWIW, I don't know which font is used by default in the very minimal example I
gave, and used. But, in my real .emacs conf file, I'm using Consolas (from
Microsoft).
Best regards,
Seb
--
Sebastien Vauban
next prev parent reply other threads:[~2013-12-01 20:20 UTC|newest]
Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-12 15:32 bug#15876: 24.3.50; Highly degraded performance between rev 114715 and 115006 Sebastien Vauban
2013-11-12 17:11 ` Glenn Morris
[not found] ` <wzwqkdfsts.fsf-iW7gFb+/I3LZHJUXO5efmti2O/JbrIOy@public.gmane.org>
2013-11-12 19:13 ` Sebastien Vauban
2013-11-13 11:43 ` Dani Moncayo
[not found] ` <mailman.5954.1384343055.10748.bug-gnu-emacs@gnu.org>
2013-11-13 13:58 ` Sebastien Vauban
[not found] ` <mailman.5925.1384283656.10748.bug-gnu-emacs@gnu.org>
[not found] ` <mailman.5925.1384283656.10748.bug-gnu-emacs-mXXj517/zsQ@public.gmane.org>
2013-11-13 14:04 ` Sebastien Vauban
2013-11-13 16:11 ` Eli Zaretskii
[not found] ` <83fvr01du4.fsf-mXXj517/zsQ@public.gmane.org>
2013-11-13 20:23 ` Sebastien Vauban
2013-11-13 20:35 ` Eli Zaretskii
2013-11-14 3:05 ` Glenn Morris
[not found] ` <jxeh6j1y4x.fsf-iW7gFb+/I3LZHJUXO5efmti2O/JbrIOy@public.gmane.org>
2013-11-14 10:05 ` Sebastien Vauban
[not found] ` <mailman.6048.1384423574.10748.bug-gnu-emacs@gnu.org>
2013-11-14 10:13 ` Sebastien Vauban
2013-11-14 17:04 ` Glenn Morris
[not found] ` <mailman.6048.1384423574.10748.bug-gnu-emacs-mXXj517/zsQ@public.gmane.org>
2013-11-19 22:52 ` Sebastien Vauban
2013-11-20 1:47 ` Stefan Monnier
2013-11-20 3:53 ` Eli Zaretskii
2013-11-20 3:48 ` Eli Zaretskii
[not found] ` <mailman.6579.1384912163.10748.bug-gnu-emacs@gnu.org>
[not found] ` <mailman.6579.1384912163.10748.bug-gnu-emacs-mXXj517/zsQ@public.gmane.org>
2013-11-20 8:48 ` Sebastien Vauban
[not found] ` <mailman.6575.1384901595.10748.bug-gnu-emacs@gnu.org>
[not found] ` <mailman.6575.1384901595.10748.bug-gnu-emacs-mXXj517/zsQ@public.gmane.org>
2013-11-20 22:32 ` Sebastien Vauban
2013-11-21 3:42 ` Eli Zaretskii
[not found] ` <mailman.6739.1385005456.10748.bug-gnu-emacs@gnu.org>
[not found] ` <mailman.6739.1385005456.10748.bug-gnu-emacs-mXXj517/zsQ@public.gmane.org>
2013-11-26 20:52 ` Sebastien Vauban
2013-11-26 21:04 ` Eli Zaretskii
[not found] ` <mailman.7212.1385499914.10748.bug-gnu-emacs@gnu.org>
[not found] ` <mailman.7212.1385499914.10748.bug-gnu-emacs-mXXj517/zsQ@public.gmane.org>
2013-11-29 21:01 ` Sebastien Vauban
2013-12-01 16:31 ` Eli Zaretskii
2013-12-02 10:45 ` Dmitry Antipov
2013-12-02 11:43 ` Dmitry Antipov
2013-12-02 18:00 ` Eli Zaretskii
2013-12-02 17:52 ` Eli Zaretskii
2013-12-03 9:57 ` Dmitry Antipov
2013-12-03 13:16 ` Eli Zaretskii
2013-12-03 15:09 ` Dmitry Antipov
2013-12-04 17:53 ` Eli Zaretskii
2013-12-05 6:29 ` Dmitry Antipov
2013-12-05 17:36 ` Eli Zaretskii
2013-12-11 6:52 ` Dmitry Antipov
2013-12-11 7:16 ` bug#15876: [SPAM] " Jarek Czekalski
2013-12-11 9:24 ` Dmitry Antipov
2013-12-11 16:28 ` Eli Zaretskii
2013-12-11 18:00 ` Dmitry Antipov
2013-12-11 18:12 ` Eli Zaretskii
2013-12-11 19:50 ` Jan Djärv
2013-12-13 15:22 ` Eli Zaretskii
2013-12-13 16:12 ` Dmitry Antipov
2013-12-13 16:45 ` Stefan Monnier
2013-12-13 18:53 ` Eli Zaretskii
2013-12-13 18:44 ` Eli Zaretskii
2013-12-16 8:05 ` Dmitry Antipov
2013-12-13 16:50 ` Stefan Monnier
2013-12-13 18:55 ` Eli Zaretskii
2013-12-14 2:13 ` Stefan Monnier
2013-12-14 8:47 ` Jan Djärv
[not found] ` <mailman.7746.1385915595.10748.bug-gnu-emacs@gnu.org>
[not found] ` <mailman.7746.1385915595.10748.bug-gnu-emacs-mXXj517/zsQ@public.gmane.org>
2013-12-01 20:20 ` Sebastien Vauban [this message]
2013-12-01 20:37 ` Eli Zaretskii
[not found] ` <mailman.7763.1385930292.10748.bug-gnu-emacs@gnu.org>
[not found] ` <mailman.7763.1385930292.10748.bug-gnu-emacs-mXXj517/zsQ@public.gmane.org>
2013-12-01 21:51 ` Sebastien Vauban
2013-12-02 3:45 ` Eli Zaretskii
[not found] ` <mailman.7786.1385955973.10748.bug-gnu-emacs@gnu.org>
[not found] ` <mailman.7786.1385955973.10748.bug-gnu-emacs-mXXj517/zsQ@public.gmane.org>
2013-12-02 9:29 ` Sebastien Vauban
2013-11-13 16:52 ` Stefan Monnier
2013-11-14 11:03 ` Jarek Czekalski
2013-11-14 16:35 ` Eli Zaretskii
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