From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Alan Mackenzie Newsgroups: gmane.emacs.bugs Subject: bug#16526: 24.3.50; scroll-conservatively & c-mode regression Date: Wed, 5 Feb 2014 23:00:01 +0000 Message-ID: <20140205230001.GB3381@acm.acm> References: <20140129223626.GD3092@acm.acm> <52EA0124.4000809@gmx.at> <52EA57D6.5080403@gmx.at> <83txcl75nj.fsf@gnu.org> <52EAA0C9.1090000@gmx.at> <834n4j5d3k.fsf@gnu.org> <20140202174050.GA5365@acm.acm> <837g9d4cde.fsf@gnu.org> <20140202192007.GB5365@acm.acm> <831tzl44ox.fsf@gnu.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: ger.gmane.org 1391641456 25476 80.91.229.3 (5 Feb 2014 23:04:16 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 5 Feb 2014 23:04:16 +0000 (UTC) Cc: 16526@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Thu Feb 06 00:04:22 2014 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 1WBBW0-00021n-Fe for geb-bug-gnu-emacs@m.gmane.org; Thu, 06 Feb 2014 00:04:20 +0100 Original-Received: from localhost ([::1]:33608 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WBBW0-0006mv-2V for geb-bug-gnu-emacs@m.gmane.org; Wed, 05 Feb 2014 18:04:20 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:54896) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WBBVt-0006mk-2j for bug-gnu-emacs@gnu.org; Wed, 05 Feb 2014 18:04:17 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WBBVo-0006c8-CM for bug-gnu-emacs@gnu.org; Wed, 05 Feb 2014 18:04:13 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:37338) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WBBVj-0006bP-Bc; Wed, 05 Feb 2014 18:04:03 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1WBBVh-0006gx-Qd; Wed, 05 Feb 2014 18:04:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Alan Mackenzie Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org, bug-cc-mode@gnu.org Resent-Date: Wed, 05 Feb 2014 23:04:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 16526 X-GNU-PR-Package: emacs,cc-mode X-GNU-PR-Keywords: Original-Received: via spool by 16526-submit@debbugs.gnu.org id=B16526.139164141125682 (code B ref 16526); Wed, 05 Feb 2014 23:04:01 +0000 Original-Received: (at 16526) by debbugs.gnu.org; 5 Feb 2014 23:03:31 +0000 Original-Received: from localhost ([127.0.0.1]:51357 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1WBBVD-0006g9-7X for submit@debbugs.gnu.org; Wed, 05 Feb 2014 18:03:31 -0500 Original-Received: from colin.muc.de ([193.149.48.1]:62612 helo=mail.muc.de) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1WBBV4-0006fs-N5 for 16526@debbugs.gnu.org; Wed, 05 Feb 2014 18:03:29 -0500 Original-Received: (qmail 23040 invoked by uid 3782); 5 Feb 2014 23:03:21 -0000 Original-Received: from acm.muc.de (pD951B331.dip0.t-ipconnect.de [217.81.179.49]) by colin.muc.de (tmda-ofmipd) with ESMTP; Thu, 06 Feb 2014 00:03:20 +0100 Original-Received: (qmail 5143 invoked by uid 1000); 5 Feb 2014 23:00:01 -0000 Content-Disposition: inline In-Reply-To: <831tzl44ox.fsf@gnu.org> User-Agent: Mutt/1.5.21 (2010-09-15) X-Delivery-Agent: TMDA/1.1.12 (Macallan) X-Primary-Address: acm@muc.de X-BeenThere: debbugs-submit@debbugs.gnu.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@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: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:84649 Archived-At: Hello, Eli. On Sun, Feb 02, 2014 at 10:53:18PM +0200, Eli Zaretskii wrote: > > Date: Sun, 2 Feb 2014 19:20:07 +0000 > > Cc: rudalics@gmx.at, 16526@debbugs.gnu.org > > From: Alan Mackenzie > > Even on xdisp.c, over 30,000 and almost 1Mb, the scan doesn't take that > > long - a little over a second on my 4 yo machine. > Do you need help in identifying what takes 11 sec in the unoptimized > build to traverse a few lines? Thanks for the offer. I really need to get down and spend a few hours investigating. I've elp'd CC Mode, and tried M-> (2 seconds) followed by (13 seconds), and it looks like c-append-lower-brace-pair-to-state-cache is taking up the time. It seems it is being called too often. Maybe. Maybe I'll pin it down at the weekend. -- Alan Mackenzie (Nuremberg, Germany).