From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: "Daniel B." Newsgroups: gmane.emacs.bugs Subject: bug#6964: 23.2; revert-buffer takes 60 times longer than initial read Date: Wed, 01 Sep 2010 11:01:41 -0400 Message-ID: <4C7E6AD5.4010102@smart.net> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Trace: dough.gmane.org 1283357503 23873 80.91.229.12 (1 Sep 2010 16:11:43 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Wed, 1 Sep 2010 16:11:43 +0000 (UTC) To: 6964@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed Sep 01 18:11:41 2010 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1OqpuJ-00007h-1H for geb-bug-gnu-emacs@m.gmane.org; Wed, 01 Sep 2010 18:11:39 +0200 Original-Received: from localhost ([127.0.0.1]:38225 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OqpuF-0001jg-IR for geb-bug-gnu-emacs@m.gmane.org; Wed, 01 Sep 2010 12:11:23 -0400 Original-Received: from [140.186.70.92] (port=33530 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Oqpt5-0001KY-5e for bug-gnu-emacs@gnu.org; Wed, 01 Sep 2010 12:11:17 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1Oqpsf-00066h-KW for bug-gnu-emacs@gnu.org; Wed, 01 Sep 2010 12:09:46 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:37397) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1Oqpsf-00066b-JD for bug-gnu-emacs@gnu.org; Wed, 01 Sep 2010 12:09:45 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.69) (envelope-from ) id 1OqpUk-0002oD-Bv; Wed, 01 Sep 2010 11:45:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: "Daniel B." Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-To: owner@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 01 Sep 2010 15:45:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: report 6964 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: X-Debbugs-Original-To: bug-gnu-emacs@gnu.org Original-Received: via spool by submit@debbugs.gnu.org id=B.128335584610760 (code B ref -1); Wed, 01 Sep 2010 15:45:02 +0000 Original-Received: (at submit) by debbugs.gnu.org; 1 Sep 2010 15:44:06 +0000 Original-Received: from localhost ([127.0.0.1] helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1OqpTp-0002nU-7R for submit@debbugs.gnu.org; Wed, 01 Sep 2010 11:44:05 -0400 Original-Received: from mail.gnu.org ([199.232.76.166] helo=mx10.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1OqpRo-0002lf-Go for submit@debbugs.gnu.org; Wed, 01 Sep 2010 11:42:01 -0400 Original-Received: from lists.gnu.org ([199.232.76.165]:44476) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1OqpTR-00053i-3E for submit@debbugs.gnu.org; Wed, 01 Sep 2010 11:43:41 -0400 Original-Received: from [140.186.70.92] (port=51393 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OqpTP-0001WE-1s for bug-gnu-emacs@gnu.org; Wed, 01 Sep 2010 11:43:40 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1OqpTN-0000kz-Mj for bug-gnu-emacs@gnu.org; Wed, 01 Sep 2010 11:43:38 -0400 Original-Received: from sovenix.net ([216.127.152.227]:4032) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1OqpTN-0000ke-HZ for bug-gnu-emacs@gnu.org; Wed, 01 Sep 2010 11:43:37 -0400 Original-Received: from 216.1.16.126 [216.1.16.126] by sovenix.net with ESMTP (SMTPD-11.0) id b8a0001539ec4356; Wed, 1 Sep 2010 11:01:41 -0400 User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.1.11) Gecko/20100701 SeaMonkey/2.0.6 X-detected-operating-system: by eggs.gnu.org: Windows 2000 SP2+, XP SP1+ (seldom 98) X-detected-operating-system: by monty-python.gnu.org: GNU/Linux 2.6, seldom 2.4 (older, 4) X-Mailman-Approved-At: Wed, 01 Sep 2010 11:44:03 -0400 X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.11 Precedence: list Resent-Date: Wed, 01 Sep 2010 11:45:02 -0400 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:39883 Archived-At: Reverting a file (executing revert-buffer) takes much (e.g., 60 times) longer than reading the file initially. For a 30MB file that originally took about 3 seconds to load, executing revert-buffer took 179 seconds. In GNU Emacs 23.2.1 (i386-mingw-nt5.1.2600) of 2010-05-08 on G41R2F1 Windowing system distributor `Microsoft Corp.', version 5.1.2600 configured using `configure --with-gcc (3.4) --no-opt --cflags -Ic:/xpm/include' 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: ENU value of $XMODIFIERS: nil locale-coding-system: cp1252 default enable-multibyte-characters: t Major mode: Fundamental Minor modes in effect: shell-dirtrack-mode: t tooltip-mode: t mouse-wheel-mode: t tool-bar-mode: t menu-bar-mode: t file-name-shadow-mode: t global-font-lock-mode: t font-lock-mode: t blink-cursor-mode: t auto-encryption-mode: t auto-compression-mode: t line-number-mode: t transient-mark-mode: t Recent input: s C-y y e s x b l o C-g C-x b l L o x t a g s v i s i t y e s y C-n x r e p e - m a s e a y x s h e l l C-r > A G S C-e x r e p e m a - a m a s e a y y e s C-x 2 C-x C-g C-x b * c > < C-s < < C-n C-s 3 d C-s C-s C-s C-s C-n C-x o , , , , M-b M-b M-b M-b C-SPC C-e w x t a g s q u e C-y C-y C-a M-f C-f " I C-d C-d M-f M-f M-f M-f M-f M-b y e C-d C-d C-e M-b f l C-d C-d C-p , < , y C-g x r e v e r t y e s < , C-n C-p C-x C-f . C-x o C-x b C-x o C-s x m l - s c h C-a C-e f y e s C-x b C-x o C-x k f y C-x o C-g C-x o C-x k f y f y x r e v e t r t y e s x r e p o r Recent messages: Quit [2 times] Mark set [2 times] Mark saved where search started Quit File L-w3c-xml-schema-comments is large (29MB), really open? (y or n) Quit File L-w3c-xml-schema-comments is large (29MB), really open? (y or n) Quit File L-w3c-xml-schema-comments is large (29MB), really open? (y or n) Making completion list... Load-path shadows: None found. Features: (shadow sort mail-extr message ecomplete rfc822 mml mml-sec password-cache mm-decode mm-bodies mm-encode mailcap mail-parse rfc2231 rfc2047 rfc2045 qp ietf-drums mailabbrev nnheader gnus-util netrc time-date mm-util mail-prsvr gmm-utils wid-edit mailheader canlock sha1 hex-util hashcash mail-utils emacsbug dired-aux apropos help-mode view sh-script executable chistory ansi-color shell mule-util cc-mode cc-fonts cc-menus cc-cmds etags multi-isearch parse-time vc-cvs nxml-uchnm rng-xsd xsd-regexp rng-cmpct rng-nxml rng-valid rng-loc rng-uri rng-parse nxml-parse rng-match rng-dt rng-util rng-pttrn nxml-ns easymenu nxml-mode nxml-outln nxml-rap nxml-util nxml-glyph nxml-enc xmltok compile comint ring dired cc-styles cc-align cc-engine cc-vars cc-defs regexp-opt tooltip ediff-hook vc-hooks lisp-float-type mwheel dos-w32 disp-table ls-lisp w32-win w32-vars tool-bar dnd fontset image fringe lisp-mode register page menu-bar rfn-eshadow timer select scroll-bar mldrag mouse jit-lock font-lock syntax facemenu font-core frame cham georgian utf-8-lang misc-lang vietnamese tibetan thai tai-viet lao korean japanese hebrew greek romanian slovak czech european ethiopic indian cyrillic chinese case-table epa-hook jka-cmpr-hook help simple abbrev loaddefs button minibuffer faces cus-face files text-properties overlay md5 base64 format env code-pages mule custom widget hashtable-print-readable backquote make-network-process multi-tty emacs) Daniel