From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: "Lennart Borgman (gmail)" Newsgroups: gmane.emacs.devel Subject: Re: Emacs scrolling (redisplay) is very slow in Windows XP after the font end enabled Date: Mon, 16 Jun 2008 22:14:00 +0200 Message-ID: <4856C988.40508@gmail.com> References: NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=GB2312 Content-Transfer-Encoding: 8bit X-Trace: ger.gmane.org 1213647605 15099 80.91.229.12 (16 Jun 2008 20:20:05 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 16 Jun 2008 20:20:05 +0000 (UTC) Cc: emacs-devel@gnu.org To: brianjiang@gdnt.com.cn Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Mon Jun 16 22:20:48 2008 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 1K8LBb-00070q-Rb for ged-emacs-devel@m.gmane.org; Mon, 16 Jun 2008 22:20:20 +0200 Original-Received: from localhost ([127.0.0.1]:59435 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1K8LAn-0001zZ-C2 for ged-emacs-devel@m.gmane.org; Mon, 16 Jun 2008 16:19:29 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1K8LAf-0001xu-Mg for emacs-devel@gnu.org; Mon, 16 Jun 2008 16:19:21 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1K8LAb-0001wA-6c for emacs-devel@gnu.org; Mon, 16 Jun 2008 16:19:19 -0400 Original-Received: from [199.232.76.173] (port=54632 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1K8LAb-0001w7-3T for emacs-devel@gnu.org; Mon, 16 Jun 2008 16:19:17 -0400 Original-Received: from ch-smtp02.sth.basefarm.net ([80.76.149.213]:57286) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1K8L5u-0007qB-6C for emacs-devel@gnu.org; Mon, 16 Jun 2008 16:14:27 -0400 Original-Received: from c83-254-145-59.bredband.comhem.se ([83.254.145.59]:63953 helo=[127.0.0.1]) by ch-smtp02.sth.basefarm.net with esmtp (Exim 4.68) (envelope-from ) id 1K8L5d-0005mq-8k; Mon, 16 Jun 2008 22:14:10 +0200 User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.9) Gecko/20071031 Thunderbird/2.0.0.9 Mnenhy/0.7.5.666 In-Reply-To: X-Antivirus: avast! (VPS 080615-0, 2008-06-15), Outbound message X-Antivirus-Status: Clean X-Originating-IP: 83.254.145.59 X-Scan-Result: No virus found in message 1K8L5d-0005mq-8k. X-Scan-Signature: ch-smtp02.sth.basefarm.net 1K8L5d-0005mq-8k fdd34818f4079f89461d41e19a949a4d X-detected-kernel: by monty-python.gnu.org: Linux 2.6? (barebone, rare!) 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:99315 Archived-At: brianjiang@gdnt.com.cn wrote: > Emacs scrolling (redisplay) is very slow in Windows XP after the > font backend enabled. > > e.g., if I open a file £¨quite large£©, when I press PageDn/PageUp to > scroll it, there is an uncomfortable delay in the redisplay. If I hold > down the PageDn/PageUp for a while, the delay is even worse and Emacs > will lose response for a while. > > In Emacs-22.2 and the 23 version where the font backend disabled, the > scrolling is very fluent when I hold down the PageDn/PageUp key. I do not know if you follow this list, but it has been discussed here quite a few times. Some people are working on this (many thanks!) and my impression is that it is getting better and better, but there is still a bit left. If you want to report any specific problem in this area I think you need a very fresh checkout from the CVS for the report to be usable.