From david.reitter@gmail.com Tue May 5 05:44:17 2009 Received: (at submit) by emacsbugs.donarmstrong.com; 5 May 2009 12:44:18 +0000 X-Spam-Checker-Version: SpamAssassin 3.2.5-bugs.debian.org_2005_01_02 (2008-06-10) on rzlab.ucr.edu X-Spam-Level: ** X-Spam-Bayes: score:0.5 Bayes not run. spammytokens:Tokens not available. hammytokens:Tokens not available. X-Spam-Status: No, score=2.0 required=4.0 tests=AWL,CAPINIT,FOURLA autolearn=no version=3.2.5-bugs.debian.org_2005_01_02 Received: from fencepost.gnu.org (fencepost.gnu.org [140.186.70.10]) by rzlab.ucr.edu (8.13.8/8.13.8/Debian-3) with ESMTP id n45CiCMT010917 for ; Tue, 5 May 2009 05:44:13 -0700 Received: from mail.gnu.org ([199.232.76.166]:60335 helo=mx10.gnu.org) by fencepost.gnu.org with esmtp (Exim 4.67) (envelope-from ) id 1M1K0J-0007x1-Dr for emacs-pretest-bug@gnu.org; Tue, 05 May 2009 08:44:11 -0400 Received: from Debian-exim by monty-python.gnu.org with spam-scanned (Exim 4.60) (envelope-from ) id 1M1K0H-0002aB-DU for emacs-pretest-bug@gnu.org; Tue, 05 May 2009 08:44:11 -0400 Received: from qw-out-1920.google.com ([74.125.92.148]:54983) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1M1K0G-0002Zl-OW for emacs-pretest-bug@gnu.org; Tue, 05 May 2009 08:44:09 -0400 Received: by qw-out-1920.google.com with SMTP id 4so3383011qwk.24 for ; Tue, 05 May 2009 05:44:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:from:to :content-type:content-transfer-encoding:mime-version:subject:date :x-mailer; bh=3zndfMBNMuXIrFegItDDlf4wKbuVUGiugp18uUIMPc8=; b=m5h7ZvXKiHQhj/vUtJ9B4sw6CQm3qVBBa4yeEBKtc+FoNNH5MZ2uqAfrm9e4Z7GOEj HxDkEe3JXBgRSImMqYMXqRuYYLecYLRB3Zi7BsXgS/qQ32H0vmUnKOWJcccYKEGql8Q9 021tJIUm33gCOYNiENdMeMfGH1jplgm2YJZvI= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:from:to:content-type:content-transfer-encoding :mime-version:subject:date:x-mailer; b=YPvCLvI9clgug0aPlW9XkLHOwIh/1OWJIRKzvMk1xUAm0noNe4CdbX6zMZBMWM6qs+ 5o3X5iPzK/2IZdQj9L2zB+piWWYyfq/hr5Of6D5stDdjtOte0u7STJVl7L+uaiwx6slI yZ12BLPzmne9Pg95OXMsHTfJLkP1palVCzdAo= Received: by 10.224.36.202 with SMTP id u10mr30097qad.121.1241527448204; Tue, 05 May 2009 05:44:08 -0700 (PDT) Received: from scarlett.local (pool-71-162-19-47.pitbpa.east.verizon.net [71.162.19.47]) by mx.google.com with ESMTPS id 26sm13585285qwa.36.2009.05.05.05.44.06 (version=TLSv1/SSLv3 cipher=RC4-MD5); Tue, 05 May 2009 05:44:07 -0700 (PDT) Message-Id: From: David Reitter To: emacs-pretest-bug@gnu.org Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes Content-Transfer-Encoding: 7bit Mime-Version: 1.0 (Apple Message framework v930.3) Subject: Long Line Sluggishness Date: Tue, 5 May 2009 08:44:05 -0400 X-Mailer: Apple Mail (2.930.3) X-detected-operating-system: by monty-python.gnu.org: GNU/Linux 2.6 (newer, 2) Emacs becomes extremely sluggish when long lines are used. To reproduce: Emacs -Q Enter long line through recursive copy/paste (about 700k characters in my example) - use vertical scrollbar to scroll to the bottom -> doesn't work - use End key to scroll to bottom Now move around, enter text, scroll up, etc: everything happens with a substantial (0.5-1.0 seconds) delay. For a more practical example: I was working in lisp-interaction-mode, typing C-j after "load-history", and expanding one of the "..." ellipses. This gave me a line in excess of 100k. Similarly, users might want to edit long (mostly binary) files. But maybe that's a corner case, and it would be okay to change C-j a bit to format the output better. This is not a regression compared to Emacs 22 (comparing to Carbon port). In GNU Emacs 23.0.92.19 (i386-apple-darwin9.6.0, NS apple-appkit-949.43) of 2009-04-30 on SCARLETT.PSY.CMU.EDU Windowing system distributor `Apple', version 10.3.949 configured using `configure '--with-ns' '--without-x' 'CFLAGS=- DMAC_OS_X_VERSION_MIN_REQUIRED=1040 -O3'' Important settings: value of $LC_ALL: nil value of $LC_COLLATE: en_US.US-ASCII value of $LC_CTYPE: en_US.US-ASCII value of $LC_MESSAGES: en_US.US-ASCII value of $LC_MONETARY: en_US.US-ASCII value of $LC_NUMERIC: en_US.US-ASCII value of $LC_TIME: en_US.US-ASCII value of $LANG: en_US.UTF-8 value of $XMODIFIERS: nil locale-coding-system: us-ascii-unix default-enable-multibyte-characters: t Major mode: Lisp Interaction Minor modes in effect: tooltip-mode: t mouse-wheel-mode: t menu-bar-mode: t file-name-shadow-mode: t global-font-lock-mode: t font-lock-mode: t global-auto-composition-mode: t auto-composition-mode: t auto-encryption-mode: t auto-compression-mode: t line-number-mode: t transient-mark-mode: t Recent input: s-v s-v s-v s-v s-v s-v s-v s-v s-v s-v s-a s-c C-SPC s-c SPC s-v SPC s-v SPC s-v s-v s-v s-v s-v s-v s-v x r e p o r t - b Recent messages: byte-code: Beginning of buffer [5 times] byte-code: End of buffer [5 times] byte-code: Beginning of buffer [4 times] byte-code: End of buffer [6 times] Mark set [114 times] Saved text until "lled through super interpretKeyEvents:])" byte-code: End of buffer Mark set [2 times] Saved text from "per interpretKeyEvents:]) " Mark set [9 times] From cyd@stupidchicken.com Fri Aug 14 22:15:38 2009 Received: (at control) by emacsbugs.donarmstrong.com; 15 Aug 2009 05:15:38 +0000 X-Spam-Checker-Version: SpamAssassin 3.2.5-bugs.debian.org_2005_01_02 (2008-06-10) on rzlab.ucr.edu X-Spam-Level: X-Spam-Bayes: score:0.5 Bayes not run. spammytokens:Tokens not available. hammytokens:Tokens not available. X-Spam-Status: No, score=-1.7 required=4.0 tests=AWL autolearn=ham version=3.2.5-bugs.debian.org_2005_01_02 Received: from cyd.mit.edu (CYD.MIT.EDU [18.115.2.24]) by rzlab.ucr.edu (8.14.3/8.14.3/Debian-5) with ESMTP id n7F5FawR010824 for ; Fri, 14 Aug 2009 22:15:37 -0700 Received: by cyd.mit.edu (Postfix, from userid 1000) id CC9FA57E266; Sat, 15 Aug 2009 01:16:34 -0400 (EDT) From: Chong Yidong To: control@debbugs.gnu.org Subject: merge 3219 4123 Date: Sat, 15 Aug 2009 01:16:34 -0400 Message-ID: <87my611wst.fsf@cyd.mit.edu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii merge 3219 4123 reassign 4141 spam reassign 4145 spam thanks From debbugs-submit-bounces@debbugs.gnu.org Fri Sep 23 21:45:46 2011 Received: (at control) by debbugs.gnu.org; 24 Sep 2011 01:45:47 +0000 Received: from localhost ([127.0.0.1] helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1R7HJK-0006ge-Bo for submit@debbugs.gnu.org; Fri, 23 Sep 2011 21:45:46 -0400 Received: from fencepost.gnu.org ([140.186.70.10]) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1R7HJI-0006gX-49 for control@debbugs.gnu.org; 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[74.73.128.199]) by smtp.gmail.com with ESMTPSA id g6sm10195784qgd.5.2016.01.25.21.13.02 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 25 Jan 2016 21:13:03 -0800 (PST) From: Andrew Hyatt To: Jerome L Quinn Subject: Re: bug#15555: 24.3; Bidirectional display very slow with long lines References: <83wqlo461e.fsf@gnu.org> <8338obskk4.fsf@gnu.org> <83iox6qt1t.fsf@gnu.org> Date: Tue, 26 Jan 2016 00:13:01 -0500 In-Reply-To: (Jerome L. Quinn's message of "Wed, 9 Oct 2013 14:04:12 -0400") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.1.50 (darwin) MIME-Version: 1.0 Content-Type: text/plain X-Spam-Score: -0.7 (/) X-Debbugs-Envelope-To: 3219 Cc: Eli Zaretskii , 15555@debbugs.gnu.org, Stefan Monnier , 3219@debbugs.gnu.org X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -0.7 (/) Jerome L Quinn writes: > Eli Zaretskii wrote on 10/09/2013 12:59:26 PM: > >> From: Eli Zaretskii >> To: Stefan Monnier >> Cc: Jerome L Quinn/Watson/IBM@IBMUS, 15555@debbugs.gnu.org >> Date: 10/09/2013 12:59 PM >> Subject: Re: bug#15555: 24.3; Bidirectional display very slow with long lines >> >> > From: Stefan Monnier >> > Cc: Jerome L Quinn , 15555@debbugs.gnu.org >> > Date: Wed, 09 Oct 2013 08:26:58 -0400 >> > >> > >> And disabling bidi reordering completely eliminates the bad behavior. >> > > If you can afford that, go for it. >> > >> > IIRC this is the first report where setting bidi-display-reordering to >> > nil is really the best recommendation we can offer (and where it >> > apparently indeed helps significantly). >> >> Actually, it's not my recommendation. But the OP keeps claiming that >> nothing else works for him. >> >> My recommendation would be rather to make lines shorter. > > I can't make the lines shorter. The file I'm looking at is computer-generated. > > I can disable reordering, which does solve the speed problem for me. I'd just like > to help identify the source of the issue so that it can be resolved at some point. > >> > I consider bidi-display-reordering as a debugging tool rather than >> > a user config, so I'm not very happy about this situation. >> >> I'm not happy either (probably even less than you), but I'm not going >> to agree that slow redisplay of 14K-character lines has anything to do >> with bidirectional editing support. _Anything_ that slows down >> redisplay even a bit will have the same effect with such long lines, >> e.g., JIT font lock, Flyspell, invisible text, you name it. In fact, >> even on a reasonably fast machine (mine is a core i7 screamer) Emacs >> is unbearably slow with such long lines without reordering as well. >> Maybe the OP has an unreasonably fast machine, but that just makes his >> use case even more rare. > > I'm not sure what else I can do. I timed how long it takes to page down and > move the cursor and it's much slower with reordering enabled on my test > case. > > No, moving around with 14K lines and reordering off is not lightning fast. It > is however subsecond response on my machine. Reordering brings subsecond > response up to multiple seconds as you are further along the line. > > I am on a high-end 12 core xeon machine, so yes, the hardware is fast. FWIW, on Emacs 25 on Mac OS X, the bidi text as reported in the initial bug is still very slow. From debbugs-submit-bounces@debbugs.gnu.org Tue Jan 26 09:41:08 2016 Received: (at 3219) by debbugs.gnu.org; 26 Jan 2016 14:41:08 +0000 Received: from localhost ([127.0.0.1]:36732 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84) (envelope-from ) id 1aO4ns-00081v-DP for submit@debbugs.gnu.org; Tue, 26 Jan 2016 09:41:08 -0500 Received: from eggs.gnu.org ([208.118.235.92]:57997) by debbugs.gnu.org with esmtp (Exim 4.84) (envelope-from ) id 1aO4nq-00081D-H5 for 3219@debbugs.gnu.org; Tue, 26 Jan 2016 09:41:06 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aO4nh-0004ac-IN for 3219@debbugs.gnu.org; Tue, 26 Jan 2016 09:41:01 -0500 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=-0.0 required=5.0 tests=BAYES_20,RP_MATCHES_RCVD autolearn=disabled version=3.3.2 Received: from fencepost.gnu.org ([2001:4830:134:3::e]:37265) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aO4nS-0004WX-Gp; Tue, 26 Jan 2016 09:40:42 -0500 Received: from 84.94.185.246.cable.012.net.il ([84.94.185.246]:1324 helo=HOME-C4E4A596F7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_128_CBC_SHA1:128) (Exim 4.82) (envelope-from ) id 1aO4nR-0006Dt-MP; Tue, 26 Jan 2016 09:40:42 -0500 Date: Tue, 26 Jan 2016 16:41:10 +0200 Message-Id: <83wpqw1jzt.fsf@gnu.org> From: Eli Zaretskii To: Andrew Hyatt In-reply-to: (message from Andrew Hyatt on Tue, 26 Jan 2016 00:13:01 -0500) Subject: Re: bug#15555: 24.3; Bidirectional display very slow with long lines References: <83wqlo461e.fsf@gnu.org> <8338obskk4.fsf@gnu.org> <83iox6qt1t.fsf@gnu.org> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2001:4830:134:3::e X-Spam-Score: -5.0 (-----) X-Debbugs-Envelope-To: 3219 Cc: jlquinn@us.ibm.com, 15555@debbugs.gnu.org, monnier@iro.umontreal.ca, 3219@debbugs.gnu.org X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Eli Zaretskii Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -5.0 (-----) > From: Andrew Hyatt > Cc: Eli Zaretskii , 3219@debbugs.gnu.org, 15555@debbugs.gnu.org, Stefan Monnier > Date: Tue, 26 Jan 2016 00:13:01 -0500 > > FWIW, on Emacs 25 on Mac OS X, the bidi text as reported in the initial > bug is still very slow. Nothing was done since then to speed up redisplay for such long lines. From debbugs-submit-bounces@debbugs.gnu.org Sat Sep 24 07:32:51 2016 Received: (at control) by debbugs.gnu.org; 24 Sep 2016 11:32:51 +0000 Received: from localhost ([127.0.0.1]:33934 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1bnlCN-0002oe-G1 for submit@debbugs.gnu.org; Sat, 24 Sep 2016 07:32:51 -0400 Received: from eggs.gnu.org ([208.118.235.92]:44615) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1bnlCL-0002oR-1R for control@debbugs.gnu.org; Sat, 24 Sep 2016 07:32:49 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bnlCC-0002kj-Nr for control@debbugs.gnu.org; Sat, 24 Sep 2016 07:32:43 -0400 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=-2.3 required=5.0 tests=BAYES_50,RP_MATCHES_RCVD autolearn=disabled version=3.3.2 Received: from fencepost.gnu.org ([2001:4830:134:3::e]:36912) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bnlCC-0002kW-LB; Sat, 24 Sep 2016 07:32:40 -0400 Received: from 84.94.185.246.cable.012.net.il ([84.94.185.246]:1102 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_128_CBC_SHA1:128) (Exim 4.82) (envelope-from ) id 1bnlC9-0000i1-Ol; Sat, 24 Sep 2016 07:32:40 -0400 Date: Sat, 24 Sep 2016 14:32:44 +0300 Message-Id: <838tuhcz37.fsf@gnu.org> From: Eli Zaretskii To: Andreas Nilsson In-reply-to: <20160924110901.5482c558@bahnhof.se> (message from Andreas Nilsson on Sat, 24 Sep 2016 11:09:01 +0200) Subject: Re: bug#24523: Base64 images makes Emacs slow References: <20160924073739.59fca4e0@bahnhof.se> <83h995dbzu.fsf@gnu.org> <20160924110901.5482c558@bahnhof.se> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2001:4830:134:3::e X-Spam-Score: -8.1 (--------) X-Debbugs-Envelope-To: control Cc: 24523@debbugs.gnu.org X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Eli Zaretskii Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -8.1 (--------) merge 24523 13675 thanks > Date: Sat, 24 Sep 2016 11:09:01 +0200 > From: Andreas Nilsson > Cc: 24523@debbugs.gnu.org > > 1. emacs -Q > 2. Visit https://www.base64-image.de/ and "click here" select an image > (I selected a ~200kB one) > 3. Click "show code" and copy paste the string you get into *scratch*. > 4. Now try C-v and M-v as well as type some characters, this is the > point where it lags. This creates a single physical line whose length is 280K characters. It is a known limitation of the Emacs display engine that it's very slow with such long lines. See bug #13675. From debbugs-submit-bounces@debbugs.gnu.org Wed Feb 14 14:55:32 2018 Received: (at control) by debbugs.gnu.org; 14 Feb 2018 19:55:32 +0000 Received: from localhost ([127.0.0.1]:43207 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1em39Q-00062x-5u for submit@debbugs.gnu.org; Wed, 14 Feb 2018 14:55:32 -0500 Received: from eggs.gnu.org ([208.118.235.92]:35991) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1em39O-00062k-4g for control@debbugs.gnu.org; Wed, 14 Feb 2018 14:55:30 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1em39I-0003xm-Af for control@debbugs.gnu.org; Wed, 14 Feb 2018 14:55:25 -0500 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,T_RP_MATCHES_RCVD autolearn=disabled version=3.3.2 Received: from fencepost.gnu.org ([2001:4830:134:3::e]:43655) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1em39I-0003xY-3u for control@debbugs.gnu.org; Wed, 14 Feb 2018 14:55:24 -0500 Received: from rgm by fencepost.gnu.org with local (Exim 4.82) (envelope-from ) id 1em39H-00059S-SU for control@debbugs.gnu.org; Wed, 14 Feb 2018 14:55:23 -0500 Subject: control message for bug 30457 To: X-Mailer: mail (GNU Mailutils 2.99.98) Message-Id: From: Glenn Morris Date: Wed, 14 Feb 2018 14:55:23 -0500 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2001:4830:134:3::e X-Spam-Score: -5.0 (-----) X-Debbugs-Envelope-To: control X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -5.0 (-----) merge 15555 30457 From debbugs-submit-bounces@debbugs.gnu.org Tue Mar 10 10:40:19 2020 Received: (at control) by debbugs.gnu.org; 10 Mar 2020 14:40:19 +0000 Received: from localhost ([127.0.0.1]:53052 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jBg3O-0007um-Ty for submit@debbugs.gnu.org; Tue, 10 Mar 2020 10:40:19 -0400 Received: from eggs.gnu.org ([209.51.188.92]:57342) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jBg3N-0007uW-CY; Tue, 10 Mar 2020 10:40:17 -0400 Received: from fencepost.gnu.org ([2001:470:142:3::e]:36981) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1jBg3I-0002Hs-2m; Tue, 10 Mar 2020 10:40:12 -0400 Received: from [176.228.60.248] (port=1144 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1jBg3H-0006JF-DX; Tue, 10 Mar 2020 10:40:11 -0400 Date: Tue, 10 Mar 2020 16:40:12 +0200 Message-Id: <831rq0b7eb.fsf@gnu.org> From: Eli Zaretskii To: Jan Synacek In-Reply-To: (message from Jan Synacek on Tue, 10 Mar 2020 10:48:24 +0100) Subject: Re: bug#40007: 28.0.50; Emacs gets very slow when displaying a long line References: X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Spam-Score: -0.7 (/) X-Debbugs-Envelope-To: control Cc: 40007@debbugs.gnu.org X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.7 (-) merge 40007 13675 thanks > From: Jan Synacek > Date: Tue, 10 Mar 2020 10:48:24 +0100 > > > 1) emacs -Q > 2) M-x shell > 3) execute a program that displays a single line, about ~193000 > characters long > > I accidentaly wrote a scheme program that dumped an entire file as a > single line, about 193k characters long, into the shell buffer. Emacs' > reponse latency becomes *very* slow, especially when navigating the > point over the long line. This is bug#13675 (and others that were merged with it). We now have so-long-mode to alleviate some of the problems. 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Content preview: severity 22143 normal merge 13675 22143 thanks Content analysis details: (2.5 points, 10.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (stefankangas[at]gmail.com) -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [209.85.219.178 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.2 HEADER_FROM_DIFFERENT_DOMAINS From and EnvelopeFrom 2nd level mail domains are different 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 RCVD_IN_MSPIKE_H2 RBL: Average reputation (+2) [209.85.219.178 listed in wl.mailspike.net] 0.2 FREEMAIL_FORGED_FROMDOMAIN 2nd level domains in From and EnvelopeFrom freemail headers are different 2.0 BLANK_SUBJECT Subject is present but empty 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines X-Debbugs-Envelope-To: control X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: 1.5 (+) X-Spam-Report: Spam detection software, running on the system "debbugs.gnu.org", has NOT identified this incoming email as spam. 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Content preview: severity 22143 normal merge 13675 22143 thanks Content analysis details: (1.5 points, 10.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_MSPIKE_H2 RBL: Average reputation (+2) [209.85.219.178 listed in wl.mailspike.net] -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [209.85.219.178 listed in list.dnswl.org] 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (stefankangas[at]gmail.com) -0.0 SPF_PASS SPF: sender matches SPF record 0.2 HEADER_FROM_DIFFERENT_DOMAINS From and EnvelopeFrom 2nd level mail domains are different 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.2 FREEMAIL_FORGED_FROMDOMAIN 2nd level domains in From and EnvelopeFrom freemail headers are different 2.0 BLANK_SUBJECT Subject is present but empty -1.0 MAILING_LIST_MULTI Multiple indicators imply a widely-seen list manager 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines severity 22143 normal merge 13675 22143 thanks From debbugs-submit-bounces@debbugs.gnu.org Sat Jul 23 04:59:10 2022 Received: (at 3219) by debbugs.gnu.org; 23 Jul 2022 08:59:10 +0000 Received: from localhost ([127.0.0.1]:43435 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oFAyc-00029o-Ee for submit@debbugs.gnu.org; Sat, 23 Jul 2022 04:59:10 -0400 Received: from quimby.gnus.org ([95.216.78.240]:49230) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oFAyb-00029W-Fp; Sat, 23 Jul 2022 04:59:09 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnus.org; s=20200322; h=Content-Type:MIME-Version:Message-ID:Date:References: In-Reply-To:Subject:Cc:To:From:Sender:Reply-To:Content-Transfer-Encoding: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=VUglTnBQG/o/eAxdZ0w1UP1F335noRbVuIgNnWrcNeE=; b=l4/oZZlwsHdTE34826HSHoBEkH gM1ZTh+PD8xcazkiZU54aTISBq+08guQPQCgYOi+S4d6zXBRVp9GcQG2pWbRqFooWrVFVKr3z2L1Y wKVnaPvR9f2xgX9De35oCeYSBCdlR0qymnscXwzY4eiuCmdxRuW+ezh6/Mq+87EPY7DY=; Received: from [84.212.220.105] (helo=joga) by quimby.gnus.org with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1oFAyT-0000fu-Ay; Sat, 23 Jul 2022 10:59:03 +0200 From: Lars Ingebrigtsen To: David Reitter Subject: Re: bug#40007: 28.0.50; Emacs gets very slow when displaying a long line In-Reply-To: (David Reitter's message of "Tue, 5 May 2009 08:44:05 -0400") References: X-Now-Playing: Mia Doi Todd's _Music Life_: "Little Bird (feat. Fabiano do Nascimento & Miguel Atwood-Ferguson)" Date: Sat, 23 Jul 2022 10:59:00 +0200 Message-ID: <87o7xgtdbf.fsf@gnus.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Spam-Report: Spam detection software, running on the system "quimby.gnus.org", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see @@CONTACT_ADDRESS@@ for details. Content preview: David Reitter writes: > Emacs becomes extremely sluggish when long lines are used. These issues have been fixed in Emacs 29 -- long lines no longer slows down Emacs (to these degrees), so I'm closing this bug report. Content analysis details: (-2.9 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -1.0 ALL_TRUSTED Passed through trusted hosts only via SMTP -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 3219 Cc: 40007@debbugs.gnu.org, 3219@debbugs.gnu.org X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -3.3 (---) David Reitter writes: > Emacs becomes extremely sluggish when long lines are used. These issues have been fixed in Emacs 29 -- long lines no longer slows down Emacs (to these degrees), so I'm closing this bug report. There may be issues remaining with long lines, and if so, please open new bug reports for those issues (and cases for reproduction would be appreciated). From debbugs-submit-bounces@debbugs.gnu.org Sat Jul 23 04:59:21 2022 Received: (at control) by debbugs.gnu.org; 23 Jul 2022 08:59:21 +0000 Received: from localhost ([127.0.0.1]:43440 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oFAym-0002AM-Vv for submit@debbugs.gnu.org; Sat, 23 Jul 2022 04:59:21 -0400 Received: from quimby.gnus.org ([95.216.78.240]:49244) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oFAyl-0002A7-My for control@debbugs.gnu.org; Sat, 23 Jul 2022 04:59:20 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnus.org; s=20200322; h=Subject:From:To:Message-Id:Date:Sender:Reply-To:Cc: MIME-Version:Content-Type:Content-Transfer-Encoding:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:In-Reply-To:References:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=ZOx7Or2+rJP/3U1mbA613hdzQoIuBCaxaSR0wzztDYo=; b=TvSFuQGmBnIZFLC5hrnyBpbKew KxSTZ4bKgdNagP4ifRZ5WDMNpXTRFbQHB/xYij+kk6DbSJq/H92szpaQDDrixujkYMvHvfbz00rBM +fumZNM2Z+l1I0Madiv/J93c94FN5KfQ3WuoVCqFBIUk/8Q2iQoYKtbXkL6iVo2xBW2w=; Received: from [84.212.220.105] (helo=joga) by quimby.gnus.org with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1oFAyd-0000g5-U0 for control@debbugs.gnu.org; Sat, 23 Jul 2022 10:59:13 +0200 Date: Sat, 23 Jul 2022 10:59:08 +0200 Message-Id: <87mtd0tdb7.fsf@gnus.org> To: control@debbugs.gnu.org From: Lars Ingebrigtsen Subject: control message for bug #40007 X-Spam-Report: Spam detection software, running on the system "quimby.gnus.org", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see @@CONTACT_ADDRESS@@ for details. Content preview: close 40007 29.1 quit Content analysis details: (-2.9 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -1.0 ALL_TRUSTED Passed through trusted hosts only via SMTP -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: control X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -3.3 (---) close 40007 29.1 quit From unknown Sat Jun 14 03:55:18 2025 Received: (at fakecontrol) by fakecontrolmessage; To: internal_control@debbugs.gnu.org From: Debbugs Internal Request Subject: Internal Control Message-Id: bug archived. Date: Sat, 20 Aug 2022 11:24:05 +0000 User-Agent: Fakemail v42.6.9 # This is a fake control message. # # The action: # bug archived. thanks # This fakemail brought to you by your local debbugs # administrator