From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Chong Yidong Newsgroups: gmane.emacs.bugs Subject: bug#5585: 23.1.91; mark text in c++ mode is painfully slow Date: Thu, 18 Feb 2010 04:04:28 -0500 Message-ID: <87635u7w4j.fsf@stupidchicken.com> References: <8D12EF90EAF6264181DEA9F86EF2FCD5015C1094@mail.configura.local> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: ger.gmane.org 1266485050 12439 80.91.229.12 (18 Feb 2010 09:24:10 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Thu, 18 Feb 2010 09:24:10 +0000 (UTC) Cc: 5585@debbugs.gnu.org To: "Tomas Berggren" Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Thu Feb 18 10:24:05 2010 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1Ni2c1-0001RO-Eg for geb-bug-gnu-emacs@m.gmane.org; Thu, 18 Feb 2010 10:24:04 +0100 Original-Received: from localhost ([127.0.0.1]:42899 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Ni2bl-00050r-2w for geb-bug-gnu-emacs@m.gmane.org; Thu, 18 Feb 2010 04:23:41 -0500 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1Ni2bg-00050O-3W for bug-gnu-emacs@gnu.org; Thu, 18 Feb 2010 04:23:36 -0500 Original-Received: from [140.186.70.92] (port=36629 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Ni2be-0004li-RW for bug-gnu-emacs@gnu.org; Thu, 18 Feb 2010 04:23:35 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1Ni2aw-0008EC-Fr for bug-gnu-emacs@gnu.org; Thu, 18 Feb 2010 04:22:51 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:57837) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1Ni2aw-0008E7-Dq for bug-gnu-emacs@gnu.org; Thu, 18 Feb 2010 04:22:50 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.69) (envelope-from ) id 1Ni2Jh-0005oA-SR; Thu, 18 Feb 2010 04:05:01 -0500 X-Loop: bug-gnu-emacs@gnu.org In-Reply-To: <8D12EF90EAF6264181DEA9F86EF2FCD5015C1094@mail.configura.local> Resent-From: Chong Yidong Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-To: owner@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 18 Feb 2010 09:05:01 +0000 Resent-Message-ID: Resent-Sender: bug-gnu-emacs@gnu.org X-Emacs-PR-Message: followup 5585 X-Emacs-PR-Package: emacs,cc-mode X-Emacs-PR-Keywords: Original-Received: via spool by 5585-submit@debbugs.gnu.org id=B5585.126648388022318 (code B ref 5585); Thu, 18 Feb 2010 09:05:01 +0000 Original-Received: (at 5585) by debbugs.gnu.org; 18 Feb 2010 09:04:40 +0000 Original-Received: from localhost ([127.0.0.1] helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1Ni2JM-0005nv-E6 for submit@debbugs.gnu.org; Thu, 18 Feb 2010 04:04:40 -0500 Original-Received: from pantheon-po35.its.yale.edu ([130.132.50.83]) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1Ni2JK-0005nq-Pr for 5585@debbugs.gnu.org; Thu, 18 Feb 2010 04:04:39 -0500 Original-Received: from furry (bb116-15-4-208.singnet.com.sg [116.15.4.208]) (authenticated bits=0) by pantheon-po35.its.yale.edu (8.12.11.20060308/8.12.11) with ESMTP id o1I94Tgj028868 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT); Thu, 18 Feb 2010 04:04:32 -0500 Original-Received: by furry (Postfix, from userid 1000) id B39DBC05D; Thu, 18 Feb 2010 04:04:28 -0500 (EST) X-YaleITSMailFilter: Version 1.2c (attachment(s) not renamed) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.11 Precedence: list Resent-Date: Thu, 18 Feb 2010 04:05:01 -0500 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) X-BeenThere: bug-gnu-emacs@gnu.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: , Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:35159 Archived-At: > I opened a file with about 3500 lines in c++ mode and started from the > top marking the text with ctrl - space and then pressed arrow down or > ctrl n to mark about 200 lines. The cursor pause after a few lines and > hangs for some seconds with almost 100% cpu activity. This behavior > did not appear in 20 and 22. I normally work in 23.1.1 but downloaded > the latest beta to see if anything had been corrected. Not sure if > this depends on the amount of code or if the support for Unicode made > things slower, but since it worked fine on 22 something else might > have changed. It might be by local setup as well. Thanks for the bug report, but this is impossible to fix unless you provide a precise, step-by-step recipe, ideally starting from `emacs -Q'.