From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: William Xu Newsgroups: gmane.emacs.devel Subject: Re: Low redisplay performance (23 regression) Date: Tue, 21 Apr 2009 22:56:23 +0800 Organization: the Church of Emacs Message-ID: References: <4870CC42-A08E-4BE9-B566-0F4DA7AB0B74@gmail.com> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: ger.gmane.org 1240325997 13525 80.91.229.12 (21 Apr 2009 14:59:57 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 21 Apr 2009 14:59:57 +0000 (UTC) To: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue Apr 21 17:01:17 2009 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.50) id 1LwHT7-0004eW-Am for ged-emacs-devel@m.gmane.org; Tue, 21 Apr 2009 17:01:05 +0200 Original-Received: from localhost ([127.0.0.1]:37634 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1LwHRi-0002Zx-Ao for ged-emacs-devel@m.gmane.org; Tue, 21 Apr 2009 10:59:38 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1LwHRd-0002XC-5W for emacs-devel@gnu.org; Tue, 21 Apr 2009 10:59:33 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1LwHRY-0002V4-Jl for emacs-devel@gnu.org; Tue, 21 Apr 2009 10:59:32 -0400 Original-Received: from [199.232.76.173] (port=44817 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1LwHRY-0002V1-D7 for emacs-devel@gnu.org; Tue, 21 Apr 2009 10:59:28 -0400 Original-Received: from main.gmane.org ([80.91.229.2]:57634 helo=ciao.gmane.org) by monty-python.gnu.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1LwHRX-00012O-VK for emacs-devel@gnu.org; Tue, 21 Apr 2009 10:59:28 -0400 Original-Received: from list by ciao.gmane.org with local (Exim 4.43) id 1LwHRT-000242-SN for emacs-devel@gnu.org; Tue, 21 Apr 2009 14:59:23 +0000 Original-Received: from 114.246.88.165 ([114.246.88.165]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Tue, 21 Apr 2009 14:59:23 +0000 Original-Received: from william.xwl by 114.246.88.165 with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Tue, 21 Apr 2009 14:59:23 +0000 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 20 Original-X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: 114.246.88.165 User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.0.92 (darwin) Cancel-Lock: sha1:Tbn+pnbHau5QqoXRLlQU+Lmdnjs= X-detected-operating-system: by monty-python.gnu.org: GNU/Linux 2.6, seldom 2.4 (older, 4) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:110391 Archived-At: David Reitter writes: > With font-lock-mode (in c-mode) enabled, the difference is even larger: > > About 2.5 seconds in Emacs 22, and more than 7 seconds in 23/NS. Is my macbook too fast? With font-lock-mode enabled (23/NS), page scrolling in buffer emacs.c responds nearly instantly. I see no delay at all. ,----[ macbook ] | - CPU: 2.2 GHz Intel Core 2 Duo | - Mem: 4 GB 667 MHz DDR2 SDRAM `---- -- William http://xwl.appspot.com