From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.devel Subject: Re: Low redisplay performance (23 regression) Date: Tue, 21 Apr 2009 21:58:21 +0300 Message-ID: <83mya9hm0i.fsf@gnu.org> References: <4870CC42-A08E-4BE9-B566-0F4DA7AB0B74@gmail.com> <873ac3arbf.fsf@cyd.mit.edu> <83r5zmhf2q.fsf@gnu.org> Reply-To: Eli Zaretskii NNTP-Posting-Host: lo.gmane.org X-Trace: ger.gmane.org 1240340328 2926 80.91.229.12 (21 Apr 2009 18:58:48 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 21 Apr 2009 18:58:48 +0000 (UTC) Cc: david.reitter@gmail.com, cyd@stupidchicken.com, emacs-devel@gnu.org To: Juanma Barranquero Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue Apr 21 21:00:07 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 1LwLCH-0000KK-Q4 for ged-emacs-devel@m.gmane.org; Tue, 21 Apr 2009 20:59:58 +0200 Original-Received: from localhost ([127.0.0.1]:55542 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1LwLAs-0002Zx-Va for ged-emacs-devel@m.gmane.org; Tue, 21 Apr 2009 14:58:30 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1LwLAg-0002X2-KZ for emacs-devel@gnu.org; Tue, 21 Apr 2009 14:58:18 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1LwLAf-0002We-Ny for emacs-devel@gnu.org; Tue, 21 Apr 2009 14:58:18 -0400 Original-Received: from [199.232.76.173] (port=50415 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1LwLAf-0002Wb-KD for emacs-devel@gnu.org; Tue, 21 Apr 2009 14:58:17 -0400 Original-Received: from mtaout2.012.net.il ([84.95.2.4]:38357) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1LwLAf-0005ue-0C for emacs-devel@gnu.org; Tue, 21 Apr 2009 14:58:17 -0400 Original-Received: from conversion-daemon.i_mtaout2.012.net.il by i_mtaout2.012.net.il (HyperSendmail v2004.12) id <0KIG00000SNN8900@i_mtaout2.012.net.il> for emacs-devel@gnu.org; Tue, 21 Apr 2009 21:58:15 +0300 (IDT) Original-Received: from HOME-C4E4A596F7 ([84.228.219.161]) by i_mtaout2.012.net.il (HyperSendmail v2004.12) with ESMTPA id <0KIG00DBTSP1DQ30@i_mtaout2.012.net.il>; Tue, 21 Apr 2009 21:58:15 +0300 (IDT) In-reply-to: X-012-Sender: halo1@inter.net.il X-detected-operating-system: by monty-python.gnu.org: Solaris 9.1 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:110396 Archived-At: > From: Juanma Barranquero > Date: Tue, 21 Apr 2009 14:36:28 +0200 > Cc: david.reitter@gmail.com, Chong Yidong , > emacs-devel@gnu.org > > On Tue, Apr 21, 2009 at 05:15, Eli Zaretskii wrote: > > > And I see no difference on Windows. > > I see it. On my setup, doing line-by-line scrolling, Emacs 22.1 For the record, I compared with Emacs 22.3. > is able to scroll a large file (for example, lisp/ChangeLog) keeping up > with the keyboard typematic rate without breaking a sweat. Emacs 23 is > unable and every now and then resorts to recentering (which I hate). Is this in "emacs -Q"? Anyway, is the slow-down you see close to the OP's reported factor of almost 3? Or is it just slow-down?