From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Ulrich Mueller Newsgroups: gmane.emacs.devel Subject: Re: Scrolling xdisp.c. Room for optimisation in syntax.c/CC Mode. Date: Sun, 19 Oct 2014 20:05:38 +0200 Message-ID: <21571.64882.746398.289699@a1i15.kph.uni-mainz.de> References: <20141018181937.GA5924@acm.acm> <20141018202839.GB5924@acm.acm> <21571.59590.312221.336635@a1i15.kph.uni-mainz.de> <83h9z0c5lu.fsf@gnu.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1413741976 20674 80.91.229.3 (19 Oct 2014 18:06:16 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 19 Oct 2014 18:06:16 +0000 (UTC) Cc: acm@muc.de, emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sun Oct 19 20:06:08 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 1Xfuro-0006jU-5t for ged-emacs-devel@m.gmane.org; Sun, 19 Oct 2014 20:06:08 +0200 Original-Received: from localhost ([::1]:40809 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Xfurn-0006a9-L9 for ged-emacs-devel@m.gmane.org; Sun, 19 Oct 2014 14:06:07 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:49718) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XfurU-0006WD-R3 for emacs-devel@gnu.org; Sun, 19 Oct 2014 14:05:56 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XfurN-0006Yf-2f for emacs-devel@gnu.org; Sun, 19 Oct 2014 14:05:48 -0400 Original-Received: from a1www.kph.uni-mainz.de ([134.93.134.1]:38975) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XfurM-0006YX-Q1; Sun, 19 Oct 2014 14:05:41 -0400 Original-Received: from a1i15.kph.uni-mainz.de (a1i15.kph.uni-mainz.de [134.93.134.92]) by a1www.kph.uni-mainz.de (8.14.9/8.14.7) with ESMTP id s9JI5dig030700; Sun, 19 Oct 2014 20:05:39 +0200 Original-Received: from a1i15.kph.uni-mainz.de (localhost [127.0.0.1]) by a1i15.kph.uni-mainz.de (8.14.8/8.14.2) with ESMTP id s9JI5c3F028468; Sun, 19 Oct 2014 20:05:38 +0200 Original-Received: (from ulm@localhost) by a1i15.kph.uni-mainz.de (8.14.8/8.14.8/Submit) id s9JI5cMM028464; Sun, 19 Oct 2014 20:05:38 +0200 In-Reply-To: <83h9z0c5lu.fsf@gnu.org> X-Mailer: VM 8.2.0b under 24.3.1 (x86_64-pc-linux-gnu) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 134.93.134.1 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:175568 Archived-At: >>>>> On Sun, 19 Oct 2014, Eli Zaretskii wrote: >> Tests were done with emacs -Q -nw in an xterm, 80 columns times >> 80 lines. > Did you test in a GUI session as well? Yes, but with smaller window size (80 x 40): no-odd-xdisp.c: 22.3: 953 scrolls, total time = 16.126529455184937s. 23.4: 942 scrolls, total time = 18.194140195846558s. 24.3: 942 scrolls, total time = 49.906872510910034s. 24.4-rc1: 942 scrolls, total time = 49.15416240692139s. 25.0.50: 942 scrolls, total time = 50.233097314834595s. xdisp.c: 22.3: 953 scrolls, total time = 16.09666872024536s. 23.4: 942 scrolls, total time = 18.084166049957275s. 24.3: 942 scrolls, total time = 53.44005608558655s. 24.4-rc1: 942 scrolls, total time = 67.30650329589844s. 25.0.50: 942 scrolls, total time = 64.4020631313324s. Ulrich