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: The unwarranted scrolling assumption Date: Fri, 25 Jun 2010 18:15:56 +0300 Message-ID: <83aaqjdtxv.fsf@gnu.org> References: <838w6cixma.fsf@gnu.org> <83y6ech1oo.fsf@gnu.org> <83ocf8gx7e.fsf@gnu.org> <83fx0jgxk7.fsf@gnu.org> <83eig3gspa.fsf@gnu.org> <83bpb7gp2g.fsf@gnu.org> <837hlvglvh.fsf@gnu.org> <834ogzglaj.fsf@gnu.org> <8339wjgg8w.fsf@gnu.org> <83y6eagb7g.fsf@gnu.org> <4C1D24E3.5080402@harpegolden.net> <83sk4ig1t7.fsf@gnu.org> <83mxuqg0tz.fsf@gnu.org> <4C1D427D.9000503@harpegolden.net> <83bpb5fu7c.fsf@gnu.org> <837hltf5vr.fsf@gnu.org> <4C1FE262.3000407@harpegolden.net> <83lja5ef8g.fsf@gnu.org> Reply-To: Eli Zaretskii NNTP-Posting-Host: lo.gmane.org X-Trace: dough.gmane.org 1277495256 5311 80.91.229.12 (25 Jun 2010 19:47:36 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Fri, 25 Jun 2010 19:47:36 +0000 (UTC) Cc: emacs-devel@gnu.org To: David De La Harpe Golden Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Fri Jun 25 21:47:33 2010 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 4.69) (envelope-from ) id 1OSEs6-0006nX-Fl for ged-emacs-devel@m.gmane.org; Fri, 25 Jun 2010 21:47:30 +0200 Original-Received: from localhost ([127.0.0.1]:59837 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OSEs5-0005t6-LB for ged-emacs-devel@m.gmane.org; Fri, 25 Jun 2010 15:47:29 -0400 Original-Received: from [140.186.70.92] (port=45818 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OSCxS-0003Zj-9e for emacs-devel@gnu.org; Fri, 25 Jun 2010 13:44:56 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1OSAe9-0005Co-Ou for emacs-devel@gnu.org; Fri, 25 Jun 2010 11:16:51 -0400 Original-Received: from mtaout23.012.net.il ([80.179.55.175]:48290) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1OSAe9-0005CQ-Gz for emacs-devel@gnu.org; Fri, 25 Jun 2010 11:16:49 -0400 Original-Received: from conversion-daemon.a-mtaout23.012.net.il by a-mtaout23.012.net.il (HyperSendmail v2007.08) id <0L4K00L00SV6PI00@a-mtaout23.012.net.il> for emacs-devel@gnu.org; Fri, 25 Jun 2010 18:15:36 +0300 (IDT) Original-Received: from HOME-C4E4A596F7 ([77.127.155.52]) by a-mtaout23.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0L4K00L5QT1Y9M20@a-mtaout23.012.net.il>; Fri, 25 Jun 2010 18:15:35 +0300 (IDT) In-reply-to: <4C227893.8040308@harpegolden.net> X-012-Sender: halo1@inter.net.il Sun-Java-System-SMTP-Warning: Lines longer than SMTP allows found and truncated. X-detected-operating-system: by eggs.gnu.org: Solaris 10 (beta) 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:126395 Archived-At: > Date: Wed, 23 Jun 2010 22:11:47 +0100 > From: David De La Harpe Golden > CC: emacs-devel@gnu.org > > On 23/06/10 20:11, Eli Zaretskii wrote: > > > > After looking at the code and experimenting a bit, I think there's no > > other way to prevent recentering on slow machines except set > > redisplay-dont-pause non-nil. > > [FWIW, my current machine, while not totally new, is a multicore opteron > and not especially slow either] That's strange: I cannot reproduce these problems unless I artificially slow down redisplay (by adding a few msec of sleep each time Emacs displays a screen line). What is the clock speed of your machine? > Both do seem to be correlated with areas of HELLO with some of the more > complicated looking scripts, though. It could be that problems in HELLO are due to the actual drawing of characters, which slows down Emacs even more than I did.