From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.ciao.gmane.io!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.devel Subject: Re: Scrolling commands and skipping redisplay, was: Re: emacs rendering comparisson between emacs23 and emacs26.3 Date: Fri, 10 Apr 2020 09:13:25 +0300 Message-ID: <83zhbjna0q.fsf@gnu.org> References: <20200403174757.GA8266@ACM> <20200404104553.GA5329@ACM> <07fe3b69-3ab2-3173-0696-cb17809e2b91@gmx.at> <83blo7v68b.fsf@gnu.org> <1845d7aa-9ae4-3d95-6a30-c7b1d8d8adec@gmx.at> <83a73qt6zs.fsf@gnu.org> <97c4254e-ff43-8402-3645-f713c408c245@gmx.at> <83y2r9syby.fsf@gnu.org> <20200405195753.GG5049@ACM> <542b48ba-4dfa-820f-ba50-4b147ab6d8e2@yandex.ru> <0a5f70aa-4985-8f8d-81d6-6ac4a60a94f9@yandex.ru> <838sj8sphk.fsf@gnu.org> <834ktwsmfw.fsf@gnu.org> <83imibqsmm.fsf@gnu.org> <478c2aab-a5fc-61c2-02e2-2d9846b95273@yandex.ru> <83v9m9nltx.fsf@gnu.org> <4c5ebff1-39ab-3d63-6118-42befc93b862@yandex.ru> <6914ebb2-2dfa-efdc-1181-c42259219bca@yandex.ru> Injection-Info: ciao.gmane.io; posting-host="ciao.gmane.io:159.69.161.202"; logging-data="37116"; mail-complaints-to="usenet@ciao.gmane.io" Cc: rms@gnu.org, emacs-devel@gnu.org, rudalics@gmx.at, rrandresf@gmail.com, monnier@iro.umontreal.ca, acm@muc.de To: Dmitry Gutov Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Fri Apr 10 08:14:27 2020 Return-path: Envelope-to: ged-emacs-devel@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1jMmvq-0009Zt-II for ged-emacs-devel@m.gmane-mx.org; Fri, 10 Apr 2020 08:14:26 +0200 Original-Received: from localhost ([::1]:59010 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jMmvp-0003GS-Ky for ged-emacs-devel@m.gmane-mx.org; Fri, 10 Apr 2020 02:14:25 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:60298) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jMmvH-0002r8-5f for emacs-devel@gnu.org; Fri, 10 Apr 2020 02:13:51 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:34062) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1jMmvG-0005sY-Os; Fri, 10 Apr 2020 02:13:50 -0400 Original-Received: from [176.228.60.248] (port=4996 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1jMmv9-0006fA-LO; Fri, 10 Apr 2020 02:13:44 -0400 In-Reply-To: <6914ebb2-2dfa-efdc-1181-c42259219bca@yandex.ru> (message from Dmitry Gutov on Thu, 9 Apr 2020 22:30:05 +0300) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 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-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:246740 Archived-At: > Cc: Eli Zaretskii , acm@muc.de, rrandresf@gmail.com, > emacs-devel@gnu.org, rms@gnu.org, rudalics@gmx.at > From: Dmitry Gutov > Date: Thu, 9 Apr 2020 22:30:05 +0300 > > So thus far fast-but-imprecise-scrolling seems to provide better > behavior. Not here, it isn't. Scrolling gets stuck very often and for prolonged times in an unoptimized build. In an optimized build, it gets stuck less often, but the scrolling is significantly slower than with jit-lock-defer-time set to 0.1. Did you try fast-but-imprecise-scrolling in an optimized build or in an unoptimized one?