From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: "Sebastien Vauban" Newsgroups: gmane.emacs.bugs Subject: bug#15876: 24.3.50; Highly degraded performance between rev 114715 and 115006 Date: Sun, 01 Dec 2013 21:20:31 +0100 Organization: Sebastien Vauban Message-ID: <861u1w492o.fsf@somewhere.org> References: <867gcdiqji.fsf@somewhere.org> <86fvr09z55.fsf@somewhere.org> <83fvr01du4.fsf@gnu.org> <8638n0nj9p.fsf@somewhere.org> <86bo1eaelv.fsf@somewhere.org> <86r4a2vqbu.fsf@somewhere.org> <867gbqdisp.fsf@somewhere.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Trace: ger.gmane.org 1385929329 18422 80.91.229.3 (1 Dec 2013 20:22:09 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 1 Dec 2013 20:22:09 +0000 (UTC) Cc: 15876-ubl+/3LiMTaZdePnXv/OxA@public.gmane.org, Dmitry Antipov To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org-mXXj517/zsQ@public.gmane.org Sun Dec 01 21:22:15 2013 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1VnDWw-0000gg-UC for geb-bug-gnu-emacs@m.gmane.org; Sun, 01 Dec 2013 21:22:15 +0100 Original-Received: from localhost ([::1]:32780 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VnDWw-0003Gh-Gz for geb-bug-gnu-emacs@m.gmane.org; Sun, 01 Dec 2013 15:22:14 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:44270) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VnDWp-0003Ga-Lf for bug-gnu-emacs-mXXj517/zsQ@public.gmane.org; Sun, 01 Dec 2013 15:22:11 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1VnDWk-0007Fy-Kj for bug-gnu-emacs-mXXj517/zsQ@public.gmane.org; Sun, 01 Dec 2013 15:22:07 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:39525) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VnDWk-0007Fu-H0 for bug-gnu-emacs-mXXj517/zsQ@public.gmane.org; Sun, 01 Dec 2013 15:22:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1VnDWk-0004aO-8c for bug-gnu-emacs-mXXj517/zsQ@public.gmane.org; Sun, 01 Dec 2013 15:22:02 -0500 X-Loop: help-debbugs-mXXj517/zsQ@public.gmane.org Resent-From: "Sebastien Vauban" Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs-mXXj517/zsQ@public.gmane.org Resent-Date: Sun, 01 Dec 2013 20:22:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs-mXXj517/zsQ@public.gmane.org X-GNU-PR-Message: followup 15876 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 15876-submit-ubl+/3LiMTaZdePnXv/OxA@public.gmane.org id=B15876.138592927917573 (code B ref 15876); Sun, 01 Dec 2013 20:22:02 +0000 Original-Received: (at 15876) by debbugs.gnu.org; 1 Dec 2013 20:21:19 +0000 Original-Received: from localhost ([127.0.0.1]:53544 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1VnDW2-0004ZN-Jv for submit-ubl+/3LiMTaZdePnXv/OxA@public.gmane.org; Sun, 01 Dec 2013 15:21:18 -0500 Original-Received: from dd5e0353a.access.telenet.be ([213.224.53.58]:1481 helo=mail.missioncriticalit.com) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1VnDW0-0004Z9-BX for 15876-ubl+/3LiMTaZdePnXv/OxA@public.gmane.org; Sun, 01 Dec 2013 15:21:17 -0500 Original-Received: from MUNDANEUM.i-did-not-set--mail-host-address--so-tickle-me (unknown [10.10.4.62]) by mail.missioncriticalit.com (Postfix) with ESMTPS id 676E3500A2D; Sun, 1 Dec 2013 21:23:46 +0100 (CET) X-Url: Under construction... X-Archive: encrypt In-Reply-To: (Eli Zaretskii's message of "Sun, 01 Dec 2013 18:31:51 +0200") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (windows-nt) X-BeenThere: debbugs-submit-ubl+/3LiMTaZdePnXv/OxA@public.gmane.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 140.186.70.43 X-BeenThere: bug-gnu-emacs-mXXj517/zsQ@public.gmane.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org-mXXj517/zsQ@public.gmane.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org-mXXj517/zsQ@public.gmane.org Xref: news.gmane.org gmane.emacs.bugs:81216 Archived-At: Eli Zaretskii wrote: >> From: "Sebastien Vauban" >> Cc: 15876-ubl+/3LiMTaZdePnXv/OxA@public.gmane.org >> Date: Fri, 29 Nov 2013 22:01:10 +0100 >>=20 >> Eli Zaretskii wrote: >> >> From: "Sebastien Vauban" >> >> Cc: 15876-ubl+/3LiMTaZdePnXv/OxA@public.gmane.org >> >> Date: Tue, 26 Nov 2013 21:52:05 +0100 >> >>=20 >> >> > So what is the minimum .emacs that will cause the problem? >> >>=20 >> >> That does it: >> >>=20 >> >> --8<---------------cut here---------------start------------->8--- >> >> ;; highlight trailing whitespaces in all modes >> >> (setq-default show-trailing-whitespace t) >> >>=20 >> >> (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? >>=20 >> No problem, with the same files, if I put them in `text-mode'. So, it be= comes >> apparent with Org. >>=20 >> Remember I told there were similar speed problems with some Gnus buffer,= but I >> haven't tested them again. >>=20 >> > 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. >>=20 >> They aren't special, for two reasons: >>=20 >> - They're not mine; they're public Org files taken from the Worg project= ("Wiki >> Org"). >>=20 >> - They work perfectly in Emacs rev 114715: no performance degradation >> whatsoever. >>=20 >> For the sake of clarity, I've redone a comparison of the two different E= macs >> (r114715 and the recent r115235) on the same two Org files: >>=20 >> - ChangeLog.org (1,156 bytes) >> http://code.ohloh.net/file?fid=3Ds6NzuuiKK0Nlga9EF-Vh8KzVXiw&cid=3DSNf= K_pTfQmo&s=3D&fp=3D19410&mp=3D&projSelected=3Dtrue#L0 >>=20 >> - org-faq.org (164,174 bytes) >> http://code.ohloh.net/file?fid=3DJk4U4mwQtJT_5LfYpl3sBLhj42s&cid=3DSNf= K_pTfQmo&s=3D&fp=3D19410&mp=3D&projSelected=3Dtrue#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=C2=A0;-) > 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 exampl= e I gave, and used. But, in my real .emacs conf file, I'm using Consolas (from Microsoft). Best regards, Seb --=20 Sebastien Vauban