From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.bugs Subject: bug#13623: 24.3.50; Redisplay issue with transient-mark-mode Date: Wed, 06 Feb 2013 09:31:44 -0500 Message-ID: References: <877gmp5a04.fsf@ed.ac.uk> <83vca89izh.fsf@gnu.org> <5110906D.7020406@yandex.ru> <83fw1aac3d.fsf@gnu.org> <51120360.4060104@yandex.ru> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1360161181 2515 80.91.229.3 (6 Feb 2013 14:33:01 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 6 Feb 2013 14:33:01 +0000 (UTC) Cc: wence@gmx.li, 13623@debbugs.gnu.org To: Dmitry Antipov Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed Feb 06 15:33:21 2013 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1U363r-0004oU-Qw for geb-bug-gnu-emacs@m.gmane.org; Wed, 06 Feb 2013 15:33:19 +0100 Original-Received: from localhost ([::1]:33849 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1U363Z-0006eG-3r for geb-bug-gnu-emacs@m.gmane.org; Wed, 06 Feb 2013 09:33:01 -0500 Original-Received: from eggs.gnu.org ([208.118.235.92]:32819) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1U363Q-0006Gg-Fs for bug-gnu-emacs@gnu.org; Wed, 06 Feb 2013 09:32:57 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1U363L-0006jk-Kl for bug-gnu-emacs@gnu.org; Wed, 06 Feb 2013 09:32:52 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:33492) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1U363L-0006jH-HN for bug-gnu-emacs@gnu.org; Wed, 06 Feb 2013 09:32:47 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.72) (envelope-from ) id 1U364Z-0005lj-5Z for bug-gnu-emacs@gnu.org; Wed, 06 Feb 2013 09:34:03 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Stefan Monnier Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 06 Feb 2013 14:34:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 13623 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 13623-submit@debbugs.gnu.org id=B13623.136016120022120 (code B ref 13623); Wed, 06 Feb 2013 14:34:02 +0000 Original-Received: (at 13623) by debbugs.gnu.org; 6 Feb 2013 14:33:20 +0000 Original-Received: from localhost ([127.0.0.1]:38956 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1U363f-0005kV-FA for submit@debbugs.gnu.org; Wed, 06 Feb 2013 09:33:11 -0500 Original-Received: from chene.dit.umontreal.ca ([132.204.246.20]:41417) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1U363a-0005kJ-8f for 13623@debbugs.gnu.org; Wed, 06 Feb 2013 09:33:04 -0500 Original-Received: from faina.iro.umontreal.ca (lechon.iro.umontreal.ca [132.204.27.242]) by chene.dit.umontreal.ca (8.14.1/8.14.1) with ESMTP id r16EVi8H008266; Wed, 6 Feb 2013 09:31:44 -0500 Original-Received: by faina.iro.umontreal.ca (Postfix, from userid 20848) id BE441B4182; Wed, 6 Feb 2013 09:31:44 -0500 (EST) In-Reply-To: <51120360.4060104@yandex.ru> (Dmitry Antipov's message of "Wed, 06 Feb 2013 11:16:48 +0400") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (gnu/linux) X-NAI-Spam-Flag: NO X-NAI-Spam-Threshold: 5 X-NAI-Spam-Score: 0 X-NAI-Spam-Rules: 1 Rules triggered RV4483=0 X-NAI-Spam-Version: 2.2.0.9309 : core <4483> : streams <901572> : uri <1338196> X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.13 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Received-From: 140.186.70.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:70741 Archived-At: >> And I'm not sure this is worth optimizing anyway: region changes are >> relatively rare and almost always driven by user input, so I don't >> think redisplay will become significantly faster as result of any >> optimizations in this area. > I have a strong suspicion that this also applies to ~50% of xdisp.c > unless you're on 2400bps tty or remote X connection via 33600bps modem. For my use case, the optimisations that matter are the ones that avoid looking at the unmodified (and mostly all iconified) frames when I work within a frame or switch between two frames (or maybe 3 at most: the origin, the destination and the minibuffer-only frame). Stefan