From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: Performance degradation from long lines Date: Thu, 18 Jul 2019 14:11:53 -0400 Message-ID: References: <20190107065207.21793.53271@vcs0.savannah.gnu.org> <16bb3884-c2de-b178-afe8-0b13a8b116a8@orcon.net.nz> <3f78c29c0c7c01e21180be5fe4f9e70a@webmail.orcon.net.nz> <11eaa87e-b4e4-2cf8-e9d1-658757b97ffe@orcon.net.nz> <83muhi1hoc.fsf@gnu.org> <1a2d94be-a73a-7934-4ce8-5b3c4e819645@orcon.net.nz> <83d0ie1clx.fsf@gnu.org> <831ryu10pi.fsf@gnu.org> <83lfx1ztni.fsf@gnu.org> <83d0idyy2s.fsf@gnu.org> <83sgr3yhv2.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="8693"; mail-complaints-to="usenet@blaine.gmane.org" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) Cc: emacs-devel@gnu.org To: =?windows-1252?Q?Cl=E9ment?= Pit-Claudel Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Thu Jul 18 20:12:03 2019 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1hoAst-00029m-5K for ged-emacs-devel@m.gmane.org; Thu, 18 Jul 2019 20:12:03 +0200 Original-Received: from localhost ([::1]:40176 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hoAsr-0006Hx-Kq for ged-emacs-devel@m.gmane.org; Thu, 18 Jul 2019 14:12:01 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:40171) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hoAso-0006Hf-UZ for emacs-devel@gnu.org; Thu, 18 Jul 2019 14:11:59 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hoAsn-00012q-TM for emacs-devel@gnu.org; Thu, 18 Jul 2019 14:11:58 -0400 Original-Received: from mailscanner.iro.umontreal.ca ([132.204.25.50]:51649) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hoAsn-00012B-Md for emacs-devel@gnu.org; Thu, 18 Jul 2019 14:11:57 -0400 Original-Received: from pmg1.iro.umontreal.ca (localhost.localdomain [127.0.0.1]) by pmg1.iro.umontreal.ca (Proxmox) with ESMTP id 0261C1008A7; Thu, 18 Jul 2019 14:11:56 -0400 (EDT) Original-Received: from mail01.iro.umontreal.ca (unknown [172.31.2.1]) by pmg1.iro.umontreal.ca (Proxmox) with ESMTP id 8B9811005CA; Thu, 18 Jul 2019 14:11:54 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=iro.umontreal.ca; s=mail; t=1563473514; bh=cxaFTQJk1iG2AQ0iUayFe9yutG78DsPu/MvWg8+JOzA=; h=From:To:Cc:Subject:References:Date:In-Reply-To:From; b=b0HgL8rvtq+eCwU2nEdVQ/Xc/ssDd+zJYct0mPxdRu1X0fI3ac5ulej9LeUTe7Fyn Fn6guQiqS/Bx7uIwyloBzCLLxX9H0tSCMrUEA9AP7RtftUzeyA0AS07QEutS3DSxUH gquSlNI1dbhfOc29FD5T5/Qua7lrlv4g8hvpdY5opJElKGyQtF+zT4iVvxVK55AO4t BKxR86tHSbPkBQ8qQsZUF2Pwu3847QBom2b5AEdVHn3BbPO96BSd4Gd3BffPUlAf4b Kt4z5O66Dcgh1AP4fnFG82X3rn32qF9yFCbxY3kAmn5Qni6WLy2Vbm5dCp3aB+0TAP O/XnhnBdMOfLA== Original-Received: from alfajor (modemcable157.163-203-24.mc.videotron.ca [24.203.163.157]) by mail01.iro.umontreal.ca (Postfix) with ESMTPSA id 5202A120914; Thu, 18 Jul 2019 14:11:54 -0400 (EDT) In-Reply-To: (=?windows-1252?Q?=22Cl=E9ment?= Pit-Claudel"'s message of "Thu, 18 Jul 2019 13:11:50 -0400") 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.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:238689 Archived-At: >> As for such settings in people's .emacs, my educated guess is that they >> date back to Emacs-23's introduction to work around problems in specific >> modes that have since solved those problems (typically by setting >> bidi-paragraph-direction). > > It's also suggested in the top-voted answer on how to make Emacs faster with > long lines on emacs.stackexchange > (https://emacs.stackexchange.com/questions/598/how-do-i-prevent-extremely-long-lines-making-emacs-slow), > so I'd expect many people to have it in their config for that reason. Yes, but making it ineffective won't break their config. It will merely make long-lines a bit slower in some cases. And we can point to so-long for a better solution. Nothing problematic, IMO. Stefan