From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: David Kastrup Newsgroups: gmane.emacs.devel Subject: Re: Emacs Lisp's future Date: Wed, 17 Sep 2014 16:30:44 +0200 Organization: Organization?!? Message-ID: <87tx46tj3f.fsf@fencepost.gnu.org> References: <87wq97i78i.fsf@earlgrey.lan> <87sijqxzr2.fsf@newcastle.ac.uk> <87egvaxshd.fsf@newcastle.ac.uk> <83k3522ulo.fsf@gnu.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1410964297 24499 80.91.229.3 (17 Sep 2014 14:31:37 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 17 Sep 2014 14:31:37 +0000 (UTC) To: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Wed Sep 17 16:31:30 2014 Return-path: Envelope-to: ged-emacs-devel@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 1XUGGX-0002tz-Lv for ged-emacs-devel@m.gmane.org; Wed, 17 Sep 2014 16:31:29 +0200 Original-Received: from localhost ([::1]:45418 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XUGGX-0000FP-9z for ged-emacs-devel@m.gmane.org; Wed, 17 Sep 2014 10:31:29 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:44875) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XUGGF-0000En-8j for emacs-devel@gnu.org; Wed, 17 Sep 2014 10:31:17 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XUGG9-0000E6-CL for emacs-devel@gnu.org; Wed, 17 Sep 2014 10:31:11 -0400 Original-Received: from plane.gmane.org ([80.91.229.3]:47342) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XUGG9-0000DR-6i for emacs-devel@gnu.org; Wed, 17 Sep 2014 10:31:05 -0400 Original-Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1XUGG2-0002hS-Vn for emacs-devel@gnu.org; Wed, 17 Sep 2014 16:30:58 +0200 Original-Received: from x2f502b3.dyn.telefonica.de ([2.245.2.179]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 17 Sep 2014 16:30:58 +0200 Original-Received: from dak by x2f502b3.dyn.telefonica.de with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 17 Sep 2014 16:30:58 +0200 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 18 Original-X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: x2f502b3.dyn.telefonica.de X-Face: 2FEFf>]>q>2iw=B6, xrUubRI>pR&Ml9=ao@P@i)L:\urd*t9M~y1^:+Y]'C0~{mAl`oQuAl \!3KEIp?*w`|bL5qr,H)LFO6Q=qx~iH4DN; i"; /yuIsqbLLCh/!U#X[S~(5eZ41to5f%E@'ELIi$t^ Vc\LWP@J5p^rst0+('>Er0=^1{]M9!p?&:\z]|;&=NP3AhB!B_bi^]Pfkw User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.4.50 (gnu/linux) Cancel-Lock: sha1:esemHD7jpN128gt1CjL3O0CYsYo= X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 80.91.229.3 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:174431 Archived-At: Eli Zaretskii writes: > You are wrong here. Emacs 23 added many CPU-intensive features, like > visual-line-mode. Emacs 24 added bidirectional display, which makes > redisplay need roughly twice as much juice as Emacs 23 needed. And > these are only two examples that pop up in my head after a 3-sec > thought; I'm sure there are more. > > So it's not like we use up every additional CPU cycle the chips are > giving us, but we are certainly using significantly more than we did > 10 years ago. One of the most costly changes was post 20.2 (?) when buffer and string positions became expressed as character offsets rather than byte offsets. -- David Kastrup