From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.help Subject: Re: Emacs Slowdown Date: Tue, 10 Mar 2015 09:22:21 -0400 Message-ID: References: <87pp8i75nk.fsf@newcastle.ac.uk> <87siddf2mv.fsf@newcastle.ac.uk> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1425993788 2190 80.91.229.3 (10 Mar 2015 13:23:08 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 10 Mar 2015 13:23:08 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Tue Mar 10 14:23:01 2015 Return-path: Envelope-to: geh-help-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 1YVK7g-000386-KT for geh-help-gnu-emacs@m.gmane.org; Tue, 10 Mar 2015 14:23:00 +0100 Original-Received: from localhost ([::1]:48803 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YVK7a-0001lo-U5 for geh-help-gnu-emacs@m.gmane.org; Tue, 10 Mar 2015 09:22:54 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:58620) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YVK7J-0001jK-G1 for help-gnu-emacs@gnu.org; Tue, 10 Mar 2015 09:22:38 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YVK7G-00084C-9j for help-gnu-emacs@gnu.org; Tue, 10 Mar 2015 09:22:37 -0400 Original-Received: from plane.gmane.org ([80.91.229.3]:48328) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YVK7G-00083z-2q for help-gnu-emacs@gnu.org; Tue, 10 Mar 2015 09:22:34 -0400 Original-Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1YVK7E-0002lG-HI for help-gnu-emacs@gnu.org; Tue, 10 Mar 2015 14:22:32 +0100 Original-Received: from 75-119-253-35.dsl.teksavvy.com ([75.119.253.35]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Tue, 10 Mar 2015 14:22:32 +0100 Original-Received: from monnier by 75-119-253-35.dsl.teksavvy.com with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Tue, 10 Mar 2015 14:22:32 +0100 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 13 Original-X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: 75-119-253-35.dsl.teksavvy.com User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.0.50 (gnu/linux) Cancel-Lock: sha1:sSoPxIVKLoq7PEfztdDuC6fX1j4= X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 80.91.229.3 X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Original-Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.help:103096 Archived-At: > Ah, yes, I didn't understand the help screen correctly. > define-global-minor-mode adds to the default value and then takes these > off buffer local once they have run? Exactly. Of course, it may be that some hook somewhere ends up calling a major-mode every time we run a command, which could lead these things to be constantly re-added to post-command-hook. Still: even running all those functions all the time shouldn't slow you down, unless one of those functions takes a long time to execute. Stefan