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#20352: Factor 2 slow down of font-locking in c-mode Date: 17 Apr 2015 19:10:05 -0000 Organization: muc.de e.V. Message-ID: <20150417191005.4119.qmail@mail.muc.de> References: NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1429297887 8561 80.91.229.3 (17 Apr 2015 19:11:27 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 17 Apr 2015 19:11:27 +0000 (UTC) To: 20352@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Fri Apr 17 21:11:16 2015 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 1YjBfY-0001Ek-13 for geb-bug-gnu-emacs@m.gmane.org; Fri, 17 Apr 2015 21:11:16 +0200 Original-Received: from localhost ([::1]:43186 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YjBfX-0005RD-2L for geb-bug-gnu-emacs@m.gmane.org; Fri, 17 Apr 2015 15:11:15 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:49022) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YjBfS-0005Qw-Cp for bug-gnu-emacs@gnu.org; Fri, 17 Apr 2015 15:11:11 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YjBfR-0002yl-JD for bug-gnu-emacs@gnu.org; Fri, 17 Apr 2015 15:11:10 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:41327) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YjBfL-0002vB-4H; Fri, 17 Apr 2015 15:11:03 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1YjBfK-00005B-1y; Fri, 17 Apr 2015 15:11:02 -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, 17 Apr 2015 19:11:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 20352 X-GNU-PR-Package: emacs,cc-mode X-GNU-PR-Keywords: Original-Received: via spool by 20352-submit@debbugs.gnu.org id=B20352.142929781032726 (code B ref 20352); Fri, 17 Apr 2015 19:11:01 +0000 Original-Received: (at 20352) by debbugs.gnu.org; 17 Apr 2015 19:10:10 +0000 Original-Received: from localhost ([127.0.0.1]:59336 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1YjBeT-0008Vm-LR for submit@debbugs.gnu.org; Fri, 17 Apr 2015 15:10:10 -0400 Original-Received: from colin.muc.de ([193.149.48.1]:41584 helo=mail.muc.de) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1YjBeQ-0008VZ-6f for 20352@debbugs.gnu.org; Fri, 17 Apr 2015 15:10:07 -0400 Original-Received: (qmail 4120 invoked by uid 3782); 17 Apr 2015 19:10:05 -0000 In-Reply-To: X-Newsgroups: gnu.emacs.bug User-Agent: tin/2.2.0-20131224 ("Lochindaal") (UNIX) (FreeBSD/10.1-RELEASE (amd64)) 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:101650 Archived-At: In article you wrote: > Package: Emacs > Version: 25.0.50 > src/emacs -Q -nw src/xdisp.c \ > --eval "(progn (font-lock-fontify-region (point-min) (point-max)) \ > (kill-emacs))" > Is about twice as slow with the code from "master" as it is with the > code from the emacs-24 branch. Twice as slow, eh? You should be so lucky! I've just tried it, and for me it's nearer a factor of 10. ;-( I'll look at this. > Stefan -- Alan Mackenzie (Nuremberg, Germany).