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: Fri, 4 Jul 2014 18:27:09 +0000 Message-ID: <20140704182709.GA3535@acm.acm> References: <53AFE536.7010407@gmx.at> <20140629124829.GC2948@acm.acm> <53B02042.1050107@gmx.at> <20140629144151.GD2948@acm.acm> <53B03876.9070307@gmx.at> <20140629174953.GE2948@acm.acm> <53B117D6.1050306@gmx.at> <20140702200522.GB3823@acm.acm> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: ger.gmane.org 1404498764 9451 80.91.229.3 (4 Jul 2014 18:32:44 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 4 Jul 2014 18:32:44 +0000 (UTC) Cc: 16526@debbugs.gnu.org To: Stefan Monnier Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Fri Jul 04 20:32:31 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 1X38Hd-0005tg-1D for geb-bug-gnu-emacs@m.gmane.org; Fri, 04 Jul 2014 20:32:29 +0200 Original-Received: from localhost ([::1]:37627 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1X38Hc-0004zx-CQ for geb-bug-gnu-emacs@m.gmane.org; Fri, 04 Jul 2014 14:32:28 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:44191) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1X38HR-0004yr-Tw for bug-gnu-emacs@gnu.org; Fri, 04 Jul 2014 14:32:25 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1X38HK-0000fL-BQ for bug-gnu-emacs@gnu.org; Fri, 04 Jul 2014 14:32:17 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:51952) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1X38HC-0000Z5-Bb; Fri, 04 Jul 2014 14:32:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1X38HB-0000EC-LN; Fri, 04 Jul 2014 14:32:01 -0400 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: Fri, 04 Jul 2014 18:32:01 +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=B16526.1404498714861 (code B ref 16526); Fri, 04 Jul 2014 18:32:01 +0000 Original-Received: (at 16526) by debbugs.gnu.org; 4 Jul 2014 18:31:54 +0000 Original-Received: from localhost ([127.0.0.1]:43102 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1X38H3-0000Dp-U1 for submit@debbugs.gnu.org; Fri, 04 Jul 2014 14:31:54 -0400 Original-Received: from colin.muc.de ([193.149.48.1]:21955 helo=mail.muc.de) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1X38H1-0000Dg-Ei for 16526@debbugs.gnu.org; Fri, 04 Jul 2014 14:31:52 -0400 Original-Received: (qmail 39256 invoked by uid 3782); 4 Jul 2014 18:31:49 -0000 Original-Received: from acm.muc.de (pD951A878.dip0.t-ipconnect.de [217.81.168.120]) by colin.muc.de (tmda-ofmipd) with ESMTP; Fri, 04 Jul 2014 20:31:47 +0200 Original-Received: (qmail 3921 invoked by uid 1000); 4 Jul 2014 18:27:09 -0000 Content-Disposition: inline In-Reply-To: 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:91187 Archived-At: Hello, Stefan. On Thu, Jul 03, 2014 at 10:59:58AM -0400, Stefan Monnier wrote: > Can you try the patch below (for the emacs-24 branch), which tries to > make the existing cache in find_defun_start do something useful in the > case where find_defun_start returns BEGV? [ patch snipped ] I'm not sure what I'm meant to see, but it has made no perceptible difference to the "slow" invocation of scan-lists. In particular, that invocation took 0.7196781635284424 seconds with the patch, which is "exactly" (near enough) what it took before. > Stefan -- Alan Mackenzie (Nuremberg, Germany).