From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.ciao.gmane.io!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: emacs rendering comparisson between emacs23 and emacs26.3 Date: Mon, 06 Apr 2020 12:23:23 -0400 Message-ID: References: <834ku43c61.fsf@gnu.org> <83k12zz6ds.fsf@gnu.org> <054393f3-3873-ab6e-b325-0eca354d8838@gmx.at> <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> <83369gskb2.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="ciao.gmane.io:159.69.161.202"; logging-data="20612"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Cc: rudalics@gmx.at, rrandresf@gmail.com, emacs-devel@gnu.org, rms@gnu.org, acm@muc.de To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Mon Apr 06 18:24:08 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 1jLUXf-0005Gd-Nt for ged-emacs-devel@m.gmane-mx.org; Mon, 06 Apr 2020 18:24:07 +0200 Original-Received: from localhost ([::1]:34894 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jLUXe-0005Ce-RB for ged-emacs-devel@m.gmane-mx.org; Mon, 06 Apr 2020 12:24:06 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:50490) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jLUX4-0004ON-Nr for emacs-devel@gnu.org; Mon, 06 Apr 2020 12:23:31 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1jLUX3-0005SF-BL for emacs-devel@gnu.org; Mon, 06 Apr 2020 12:23:30 -0400 Original-Received: from mailscanner.iro.umontreal.ca ([132.204.25.50]:8853) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1jLUX1-0005R4-Vc; Mon, 06 Apr 2020 12:23:28 -0400 Original-Received: from pmg2.iro.umontreal.ca (localhost.localdomain [127.0.0.1]) by pmg2.iro.umontreal.ca (Proxmox) with ESMTP id 0835C8117E; Mon, 6 Apr 2020 12:23:26 -0400 (EDT) Original-Received: from mail01.iro.umontreal.ca (unknown [172.31.2.1]) by pmg2.iro.umontreal.ca (Proxmox) with ESMTP id 43ED180D7E; Mon, 6 Apr 2020 12:23:24 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=iro.umontreal.ca; s=mail; t=1586190204; bh=jXOFNDEmZf4SiM8Uq3+Kv2kVPghOGVCogwfEnbcySBg=; h=From:To:Cc:Subject:References:Date:In-Reply-To:From; b=YCoMrpcTuEa9p4iZGU/xLHrmL0AnaidcHyJtS/mr8E4+4jV4khpNMp59sBSJdgjY+ um2KUMSZU5SL9e4I/8+SbjSCORcd7KfbUD8YbCirbzh5dxZ51KDwI5rDf7xAu7STIP +egOP3B6roGWbA8GP9GB069vLG96tpSBwm7PHN9ZkX+thTFzDRS9VltR8doCTsjjOF jC+ZzKIyzbdNCeEXgX8SLHsJdVt88nrm0xEyDBkZZ81TNF+QNifn4+3HMbW2EAFXtw 27L15181auFo9xUOz40YiR6CmQmXOXUEfFVhclIikn9IAyF+hBX1V/pbdw6IBFluBS lQ6+kUVLDW3IQ== Original-Received: from alfajor (unknown [104.247.241.114]) by mail01.iro.umontreal.ca (Postfix) with ESMTPSA id D29DD12038D; Mon, 6 Apr 2020 12:23:23 -0400 (EDT) In-Reply-To: <83369gskb2.fsf@gnu.org> (Eli Zaretskii's message of "Mon, 06 Apr 2020 18:30:57 +0300") X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 132.204.25.50 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:246539 Archived-At: >> >> 16s in one case a "10 seconds freeze": it sounds to me like you *do* >> >> reproduce the problem. >> > Not really. In the 16s case redisplay kicks in and displays the buffer >> > 250 times. In the 10s case redisplay stops after five times. >> >> Yes, but the underlying problem remains: it takes 10-16s to do the work, >> so if the corresponding input events come in over a period shorter than >> 10-16s Emacs won't be able to keep up. > > I think "the work" of a single scroll-up takes less (much less) than > 10-16s. Indeed, IIUC his measurement of 10-16s is for the equivalent of about 50 scrolls. Stefan