From unknown Tue Jun 17 22:26:37 2025 X-Loop: don@donarmstrong.com Subject: bug#960: 23.0.60; excess consing Reply-To: rms@gnu.org, 960@debbugs.gnu.org Resent-From: "Richard M. Stallman" Resent-To: bug-submit-list@lists.donarmstrong.com Resent-CC: Emacs Bugs Resent-Date: Thu, 11 Sep 2008 11:15:04 +0000 Resent-Message-ID: Resent-Sender: don@donarmstrong.com X-Emacs-PR-Message: report 960 X-Emacs-PR-Package: emacs X-Emacs-PR-Keywords: Received: via spool by submit@emacsbugs.donarmstrong.com id=B.122113112828979 (code B ref -1); Thu, 11 Sep 2008 11:15:04 +0000 X-Spam-Checker-Version: SpamAssassin 3.2.3-bugs.debian.org_2005_01_02 (2007-08-08) on rzlab.ucr.edu X-Spam-Level: X-Spam-Status: No, score=-8.4 required=4.0 tests=AWL,BAYES_00,FOURLA, RCVD_IN_DNSWL_MED autolearn=ham version=3.2.3-bugs.debian.org_2005_01_02 Received: (at submit) by emacsbugs.donarmstrong.com; 11 Sep 2008 11:05:28 +0000 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 m8BB5OWL028970 for ; Thu, 11 Sep 2008 04:05:25 -0700 Received: from rms by fencepost.gnu.org with local (Exim 4.67) (envelope-from ) id 1KdjxX-0000d0-4s; Thu, 11 Sep 2008 07:03:35 -0400 Content-Type: text/plain; charset=ISO-8859-15 From: "Richard M. Stallman" To: emacs-pretest-bug@gnu.org Message-Id: Date: Thu, 11 Sep 2008 07:03:35 -0400 In emacs -Q, I defined these functions to measure consing: (defun gc-set-base () (interactive) (setq base-cons-cells-consed cons-cells-consed) (setq base-strings-consed strings-consed) (setq base-string-chars-consed string-chars-consed) (setq base-vector-cells-consed vector-cells-consed) (setq base-symbols-consed symbols-consed) (setq base-misc-objects-consed misc-objects-consed) (setq base-intervals-consed intervals-consed)) (defun gc-info () (interactive) (message "C=%s S=%s(%s) V=%s SYM=%s MISC=%s INT=%s" (- cons-cells-consed base-cons-cells-consed) (- strings-consed base-strings-consed) (- string-chars-consed base-string-chars-consed) (- vector-cells-consed base-vector-cells-consed) (- symbols-consed base-symbols-consed) (- misc-objects-consed base-misc-objects-consed) (- intervals-consed base-intervals-consed))) (global-set-key [?\M-*] 'gc-info) Just typing M-* repeatedly I see that cons-cells-consed increases by about 130, and string-chars-consed increases by around 160. This seems unreasonably much, for running a command that does no consing itself. In GNU Emacs 23.0.60.6 (mipsel-unknown-linux-gnu, GTK+ Version 2.12.11) of 2008-09-10 on lemote-menglan configured using `configure 'CFLAGS=-O0 -g -Wno-pointer-sign' 'mipsel-unknown-linux-gnu' 'build_alias=mipsel-unknown-linux-gnu' 'host_alias=mipsel-unknown-linux-gnu' 'target_alias=mipsel-unknown-linux-gnu'' Important settings: value of $LC_ALL: nil value of $LC_COLLATE: nil value of $LC_CTYPE: nil value of $LC_MESSAGES: nil value of $LC_MONETARY: nil value of $LC_NUMERIC: nil value of $LC_TIME: nil value of $LANG: en_US.UTF-8 value of $XMODIFIERS: nil locale-coding-system: utf-8-unix default-enable-multibyte-characters: t Major mode: Emacs-Lisp Minor modes in effect: gpm-mouse-mode: t tooltip-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 abbrev-mode: t Recent input: n SPC g c - b a s e SPC ( ) RET C-u C-y TAB ESC C-f RET ESC C-f RET ESC C-f RET ESC C-f RET TAB C-p C-p C-p C-p TAB C-n TAB C-n C-k TAB n TAB DEL C-n TAB C-n TAB ESC C-f RET TAB C-u C-p C-u C-p C-n C-n C-a C-x ESC m C-g C-x ( ESC m C-k C-y ESC m ( s e t q SPC b a s e - C-e SPC C-y ) C-a C-n C-x ) C-u C-x e C-x e C-x e C-p C-e ) C-a C-p C-p C-p C-p C-p C-p C-@ C-u C-n C-n C-n C-n ESC w C-u C-p C-u C-p C-p C-o C-u C-y C-p C-@ C-u C-n C-u C-n C-n C-w C-u C-n C-u C-n C-n C-n C-n C-n C-n C-u C-y C-k C-x ( TAB C-f ESC d - ESC C-f ESC C-t C-a C-n C-x ) C-u C-x e e e C-p C-e ) C-n C-n C-p C-@ C-n C-n C-n C-n C-w C-u C-u C-p C-u C-p C-n ESC f ESC f - s e t C-a C-n C-o TAB i j DEL DEL ( i n t e r a c t v e DEL DEL i v e ) ESC C-x ESC x g c - s e TAB RET ESC * C-u C-n C-u C-n C-u C-n ESC C-x ESC * ESC * ESC * ESC * ESC * ESC * ESC * ESC * ESC * ESC * ESC * ESC * ESC * ESC * ESC * C-a C-u C-u C-p C-n C-n C-@ C-u C-u C-n C-u C-n C-n C-n ESC w C-x 4 C-g ESC x r e p o r SPC e m a c s SPC b u g RET Recent messages: C=1185 S=173(1763) V=0 SYM=1 MISC=95 INT=0 Auto-saving... C=1290 S=192(44027) V=0 SYM=1 MISC=102 INT=0 C=1369 S=204(44160) V=0 SYM=1 MISC=109 INT=0 C=1448 S=216(44293) V=0 SYM=1 MISC=115 INT=0 C=1527 S=228(44426) V=0 SYM=1 MISC=121 INT=0 C=1606 S=240(44559) V=0 SYM=1 MISC=127 INT=0 C=1685 S=252(44692) V=0 SYM=1 MISC=133 INT=0 C=1764 S=264(44825) V=0 SYM=1 MISC=139 INT=0 Mark set From unknown Tue Jun 17 22:26:37 2025 X-Loop: don@donarmstrong.com Subject: bug#960: 23.0.60; excess consing Reply-To: "Juanma Barranquero" , 960@debbugs.gnu.org Resent-From: "Juanma Barranquero" Resent-To: bug-submit-list@lists.donarmstrong.com Resent-CC: Emacs Bugs Resent-Date: Thu, 11 Sep 2008 12:35:03 +0000 Resent-Message-ID: Resent-Sender: don@donarmstrong.com X-Emacs-PR-Message: report 960 X-Emacs-PR-Package: emacs X-Emacs-PR-Keywords: Received: via spool by 960-submit@emacsbugs.donarmstrong.com id=B960.122113596225452 (code B ref 960); Thu, 11 Sep 2008 12:35:03 +0000 X-Spam-Checker-Version: SpamAssassin 3.2.3-bugs.debian.org_2005_01_02 (2007-08-08) on rzlab.ucr.edu X-Spam-Level: X-Spam-Status: No, score=-5.5 required=4.0 tests=AWL,BAYES_00,FOURLA, HAS_BUG_NUMBER autolearn=ham version=3.2.3-bugs.debian.org_2005_01_02 Received: (at 960) by emacsbugs.donarmstrong.com; 11 Sep 2008 12:26:02 +0000 Received: from mail-gx0-f19.google.com (mail-gx0-f19.google.com [209.85.217.19]) by rzlab.ucr.edu (8.13.8/8.13.8/Debian-3) with ESMTP id m8BCPxnb025446 for <960@emacsbugs.donarmstrong.com>; Thu, 11 Sep 2008 05:26:00 -0700 Received: by gxk12 with SMTP id 12so9668027gxk.1 for <960@emacsbugs.donarmstrong.com>; Thu, 11 Sep 2008 05:25:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:to :subject:in-reply-to:mime-version:content-type :content-transfer-encoding:content-disposition:references; bh=iP/97QljvnqGuz5zV63nrsKiav/KRMAV9KWQGZidT7E=; b=rXXYS5XdprCvHy+5u69Jsol1nhN3ksNR6vogdHI4CAg5eHyCLRFelGWXILjnF7EmWJ nU0bz1ao06BL3OdwCGnizAx6aUQHBeQLCgpsKplt7ABwLaC/zZNT1SLLeHo0B10r7OPy E9O1Mk/I+7K6N4fDx0YW9YV5zORuiz77vbYIc= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:in-reply-to:mime-version :content-type:content-transfer-encoding:content-disposition :references; b=QyOBxgHJlDaDlxjB4DpFe8RF9ad62kJCBBhfT6mjtb7yUUGuWcH6Fp909JmaKHu9bx j/B2ZgzVolmtyOCSGS6+s2yS5AmZ/YImUPPwQUWAUtVSr/HKZAUAzu3QLLJUwawqGads AHzUez3rhaGZJV1hA4A1QREEZgWrJMDdjKgVc= Received: by 10.100.216.11 with SMTP id o11mr452387ang.146.1221135953847; Thu, 11 Sep 2008 05:25:53 -0700 (PDT) Received: by 10.100.13.13 with HTTP; Thu, 11 Sep 2008 05:25:53 -0700 (PDT) Message-ID: Date: Thu, 11 Sep 2008 14:25:53 +0200 From: "Juanma Barranquero" To: rms@gnu.org, 960@debbugs.gnu.org In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: On Thu, Sep 11, 2008 at 13:03, Richard M. Stallman wrote: > (defun gc-info () > (interactive) > (message "C=%s S=%s(%s) V=%s SYM=%s MISC=%s INT=%s" > Just typing M-* repeatedly I see that cons-cells-consed increases by > about 130, and string-chars-consed increases by around 160. This seems > unreasonably much, for running a command that does no consing itself. `message' calls `format', which calls `copy-sequence'... Isn't that a source of consing? Juanma From unknown Tue Jun 17 22:26:37 2025 X-Loop: don@donarmstrong.com Subject: bug#960: 23.0.60; excess consing Reply-To: rms@gnu.org, 960@debbugs.gnu.org Resent-From: "Richard M. Stallman" Resent-To: bug-submit-list@lists.donarmstrong.com Resent-CC: Emacs Bugs Resent-Date: Fri, 12 Sep 2008 09:00:04 +0000 Resent-Message-ID: Resent-Sender: don@donarmstrong.com X-Emacs-PR-Message: report 960 X-Emacs-PR-Package: emacs X-Emacs-PR-Keywords: Received: via spool by submit@emacsbugs.donarmstrong.com id=B.12212096687854 (code B ref -1); Fri, 12 Sep 2008 09:00:04 +0000 X-Spam-Checker-Version: SpamAssassin 3.2.3-bugs.debian.org_2005_01_02 (2007-08-08) on rzlab.ucr.edu X-Spam-Level: X-Spam-Status: No, score=-8.4 required=4.0 tests=AWL,BAYES_00,HAS_BUG_NUMBER, RCVD_IN_DNSWL_LOW autolearn=ham version=3.2.3-bugs.debian.org_2005_01_02 Received: (at submit) by emacsbugs.donarmstrong.com; 12 Sep 2008 08:54:28 +0000 Received: from lists.gnu.org (lists.gnu.org [199.232.76.165]) by rzlab.ucr.edu (8.13.8/8.13.8/Debian-3) with ESMTP id m8C8sOQP007746 for ; Fri, 12 Sep 2008 01:54:25 -0700 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1Ke4Q4-0005kz-Gp for bug-gnu-emacs@gnu.org; Fri, 12 Sep 2008 04:54:24 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1Ke4Q2-0005kk-Gv for bug-gnu-emacs@gnu.org; Fri, 12 Sep 2008 04:54:23 -0400 Received: from [199.232.76.173] (port=43188 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Ke4Q2-0005kh-Ag for bug-gnu-emacs@gnu.org; Fri, 12 Sep 2008 04:54:22 -0400 Received: from fencepost.gnu.org ([140.186.70.10]:41096) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1Ke4Q2-0006LO-8S for bug-gnu-emacs@gnu.org; Fri, 12 Sep 2008 04:54:22 -0400 Received: from rms by fencepost.gnu.org with local (Exim 4.67) (envelope-from ) id 1Ke4OG-0001qf-AG; Fri, 12 Sep 2008 04:52:32 -0400 Content-Type: text/plain; charset=ISO-8859-15 From: "Richard M. Stallman" To: Juanma Barranquero , 960@debbugs.gnu.org CC: bug-gnu-emacs@gnu.org In-reply-to: (lekktu@gmail.com) References: Message-Id: Date: Fri, 12 Sep 2008 04:52:32 -0400 X-detected-kernel: by monty-python.gnu.org: Linux 2.6, seldom 2.4 (older, 4) X-CrossAssassin-Score: 2 `message' calls `format', which calls `copy-sequence'... Isn't that a source of consing? That seems to account for most of it. I made another command that accumulates data in a list, and it showed very little consing. This shows that calling `message' does a lot more consing than it ought to need to do. But this may not be significant for the great consing-related slowness I see. From debbugs-submit-bounces@debbugs.gnu.org Thu Jun 24 14:23:37 2010 Received: (at control) by debbugs.gnu.org; 24 Jun 2010 18:23:37 +0000 Received: from localhost ([127.0.0.1] helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1ORr5N-00051L-8v for submit@debbugs.gnu.org; Thu, 24 Jun 2010 14:23:37 -0400 Received: from pantheon-po41.its.yale.edu ([130.132.50.98]) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1ORr5K-00051G-K0 for control@debbugs.gnu.org; Thu, 24 Jun 2010 14:23:35 -0400 Received: from furry (dhcp128036014221.central.yale.edu [128.36.14.221]) (authenticated bits=0) by pantheon-po41.its.yale.edu (8.12.11.20060308/8.12.11) with ESMTP id o5OINUI2013527 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT) for ; Thu, 24 Jun 2010 14:23:30 -0400 Received: by furry (Postfix, from userid 1000) id 5BF4B16D416; Thu, 24 Jun 2010 20:23:29 +0200 (CEST) From: Chong Yidong To: control@debbugs.gnu.org Subject: close 1382 Date: Thu, 24 Jun 2010 14:23:29 -0400 Message-ID: <87r5jw5ly6.fsf@stupidchicken.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-YaleITSMailFilter: Version 1.2c (attachment(s) not renamed) X-Spam-Score: -1.4 (-) X-Debbugs-Envelope-To: control X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.11 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: debbugs-submit-bounces@debbugs.gnu.org Errors-To: debbugs-submit-bounces@debbugs.gnu.org X-Spam-Score: -2.7 (--) severity 135 minor tags 710 + moreinfo unreproducible close 756 tags 844 + moreinfo unreproducible close 917 close 1000 tags 1125 + moreinfo unreproducible close 1159 severity 1238 wishlist close 1247 close 1381 close 1382 tags 1708 + moreinfo unreproducible close 1993 severity 2024 wishlist close 2236 severity 2299 wishlist tags 2394 + moreinfo unreproducible severity 2507 minor close 2583 tags 2690 + moreinfo unreproducible tags 2812 + moreinfo unreproducible tags 2843 + moreinfo unreproducible tags 2870 + moreinfo unreproducible tags 2877 + moreinfo unreproducible close 3032 close 3273 close 3349 close 4046 close 4358 close 4591 close 4656 thanks