From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Chong Yidong Newsgroups: gmane.emacs.devel Subject: Re: Display slowness that is painful Date: Wed, 01 Feb 2006 18:10:05 -0500 Message-ID: <874q3ivfoy.fsf@stupidchicken.com> References: NNTP-Posting-Host: main.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: sea.gmane.org 1138842481 5185 80.91.229.2 (2 Feb 2006 01:08:01 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Thu, 2 Feb 2006 01:08:01 +0000 (UTC) Cc: rms@gnu.org, emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Thu Feb 02 02:07:57 2006 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by ciao.gmane.org with esmtp (Exim 4.43) id 1F4Sww-0003By-Q7 for ged-emacs-devel@m.gmane.org; Thu, 02 Feb 2006 02:07:51 +0100 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1F4T02-0001gp-3Z for ged-emacs-devel@m.gmane.org; Wed, 01 Feb 2006 20:11:02 -0500 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1F4R8u-0007QQ-7r for emacs-devel@gnu.org; Wed, 01 Feb 2006 18:12:04 -0500 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1F4R8s-0007Oo-Dr for emacs-devel@gnu.org; Wed, 01 Feb 2006 18:12:03 -0500 Original-Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1F4R8s-0007Oc-3c for emacs-devel@gnu.org; Wed, 01 Feb 2006 18:12:02 -0500 Original-Received: from [18.19.6.82] (helo=localhost.localdomain) by monty-python.gnu.org with esmtp (Exim 4.52) id 1F4R7Y-0005zD-69; Wed, 01 Feb 2006 18:10:40 -0500 Original-Received: by localhost.localdomain (Postfix, from userid 1000) id 10C8F1208CD; Wed, 1 Feb 2006 18:10:06 -0500 (EST) Original-To: Andreas Schwab In-Reply-To: (Andreas Schwab's message of "Wed, 01 Feb 2006 11:51:19 +0100") User-Agent: Gnus/5.11 (Gnus v5.11) Emacs/22.0.50 (gnu/linux) 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:49890 Archived-At: Andreas Schwab writes: > Richard Stallman writes: > >> I can make the test case available if necessary. >> It is a 1.3 meg GIF file. > > When I visit a 13MB binary file (eg. the Emacs binary) I can hardly notice > a slowdown here. Only scrolling backwards when inside a very long line is > rather slow, but that's probably due to requiring to rerender the whole > line each time to be able to find the correct window start. There is no > such problem when scrolling forward. I've put Richard's "gif" file (it's actually a bmp file) on http://web.mit.edu/cyd/www/bug.bmp There is indeed a slowdown when visiting this file.