From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.bugs Subject: bug#15876: 24.3.50; Highly degraded performance between rev 114715 and 115006 Date: Tue, 19 Nov 2013 20:47:52 -0500 Message-ID: References: <867gcdiqji.fsf@somewhere.org> <86fvr09z55.fsf@somewhere.org> <83fvr01du4.fsf@gnu.org> <8638n0nj9p.fsf@somewhere.org> <86y54kvwbh.fsf@somewhere.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1384912161 18495 80.91.229.3 (20 Nov 2013 01:49:21 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 20 Nov 2013 01:49:21 +0000 (UTC) Cc: 15876@debbugs.gnu.org To: "Sebastien Vauban" Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed Nov 20 02:49:25 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 1Viwuz-0007qk-6d for geb-bug-gnu-emacs@m.gmane.org; Wed, 20 Nov 2013 02:49:25 +0100 Original-Received: from localhost ([::1]:52421 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Viwuy-0007fX-Ov for geb-bug-gnu-emacs@m.gmane.org; Tue, 19 Nov 2013 20:49:24 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:45498) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Viwup-0007eT-AV for bug-gnu-emacs@gnu.org; Tue, 19 Nov 2013 20:49:22 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Viwud-0000vR-0h for bug-gnu-emacs@gnu.org; Tue, 19 Nov 2013 20:49:15 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:48033) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Viwuc-0000v1-Tg for bug-gnu-emacs@gnu.org; Tue, 19 Nov 2013 20:49:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1Viwuc-0005ZK-Fn for bug-gnu-emacs@gnu.org; Tue, 19 Nov 2013 20:49:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Stefan Monnier Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 20 Nov 2013 01:49:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 15876 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: moreinfo Original-Received: via spool by 15876-submit@debbugs.gnu.org id=B15876.138491208221335 (code B ref 15876); Wed, 20 Nov 2013 01:49:02 +0000 Original-Received: (at 15876) by debbugs.gnu.org; 20 Nov 2013 01:48:02 +0000 Original-Received: from localhost ([127.0.0.1]:33819 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1Viwtc-0005Xi-Oc for submit@debbugs.gnu.org; Tue, 19 Nov 2013 20:48:02 -0500 Original-Received: from ironport2-out.teksavvy.com ([206.248.154.181]:28163) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1Viwta-0005XR-JN for 15876@debbugs.gnu.org; Tue, 19 Nov 2013 20:47:59 -0500 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Av8EABK/CFHO+KWN/2dsb2JhbABEuzWDWRdzgh8BBScvIxALDiYSFBgNJIgksR+QDpEKA4hhnBmBXoMV X-IPAS-Result: Av8EABK/CFHO+KWN/2dsb2JhbABEuzWDWRdzgh8BBScvIxALDiYSFBgNJIgksR+QDpEKA4hhnBmBXoMV X-IronPort-AV: E=Sophos;i="4.84,565,1355115600"; d="scan'208";a="38679347" Original-Received: from 206-248-165-141.dsl.teksavvy.com (HELO pastel.home) ([206.248.165.141]) by ironport2-out.teksavvy.com with ESMTP/TLS/ADH-AES256-SHA; 19 Nov 2013 20:47:52 -0500 Original-Received: by pastel.home (Postfix, from userid 20848) id 14C6860424; Tue, 19 Nov 2013 20:47:52 -0500 (EST) In-Reply-To: <86y54kvwbh.fsf@somewhere.org> (Sebastien Vauban's message of "Tue, 19 Nov 2013 23:52:18 +0100") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (gnu/linux) 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:80773 Archived-At: > --8<---------------cut here---------------start------------->8--- > ;; highlight trailing whitespaces in all modes > (setq-default show-trailing-whitespace t) > --8<---------------cut here---------------end--------------->8--- Can you try to compare the performance of revision 114849 and revision 114848? The difference between the two is that the region highlighting was moved from C to Elisp. This usually shouldn't affect performance, but maybe there's some interaction with redisplay that ends up disabling most optimizations? Stefan