From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.bugs,gmane.emacs.pretest.bugs Subject: bug#2445: 23.0.90; file name completion GCs a lot Date: Wed, 18 Mar 2009 09:40:44 -0400 Message-ID: References: Reply-To: Stefan Monnier , 2445@emacsbugs.donarmstrong.com NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: ger.gmane.org 1237385105 13784 80.91.229.12 (18 Mar 2009 14:05:05 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 18 Mar 2009 14:05:05 +0000 (UTC) Cc: emacs-pretest-bug@gnu.org, 2445@emacsbugs.donarmstrong.com To: rms@gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed Mar 18 15:06:22 2009 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 4.50) id 1LjwOe-0007gw-HC for geb-bug-gnu-emacs@m.gmane.org; Wed, 18 Mar 2009 15:05:54 +0100 Original-Received: from localhost ([127.0.0.1]:39755 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1LjwNI-0000yR-8o for geb-bug-gnu-emacs@m.gmane.org; Wed, 18 Mar 2009 10:04:04 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1LjwN4-0000us-Tb for bug-gnu-emacs@gnu.org; Wed, 18 Mar 2009 10:03:50 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1LjwN0-0000u4-6h for bug-gnu-emacs@gnu.org; Wed, 18 Mar 2009 10:03:50 -0400 Original-Received: from [199.232.76.173] (port=46015 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1LjwN0-0000tv-25 for bug-gnu-emacs@gnu.org; Wed, 18 Mar 2009 10:03:46 -0400 Original-Received: from rzlab.ucr.edu ([138.23.92.77]:56575) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1LjwMz-0008CP-AH for bug-gnu-emacs@gnu.org; Wed, 18 Mar 2009 10:03:45 -0400 Original-Received: from rzlab.ucr.edu (rzlab.ucr.edu [127.0.0.1]) by rzlab.ucr.edu (8.13.8/8.13.8/Debian-3) with ESMTP id n2IE3hJC029068; Wed, 18 Mar 2009 07:03:43 -0700 Original-Received: (from debbugs@localhost) by rzlab.ucr.edu (8.13.8/8.13.8/Submit) id n2IDj59b024284; Wed, 18 Mar 2009 06:45:05 -0700 X-Loop: owner@emacsbugs.donarmstrong.com Resent-From: Stefan Monnier Resent-To: bug-submit-list@donarmstrong.com Resent-CC: Emacs Bugs Resent-Date: Wed, 18 Mar 2009 13:45:05 +0000 Resent-Message-ID: Resent-Sender: owner@emacsbugs.donarmstrong.com X-Emacs-PR-Message: followup 2445 X-Emacs-PR-Package: emacs X-Emacs-PR-Keywords: Original-Received: via spool by 2445-submit@emacsbugs.donarmstrong.com id=B2445.123738365423779 (code B ref 2445); Wed, 18 Mar 2009 13:45:05 +0000 Original-Received: (at 2445) by emacsbugs.donarmstrong.com; 18 Mar 2009 13:40:54 +0000 X-Spam-Bayes: score:0.5 Bayes not run. spammytokens:Tokens not available. hammytokens:Tokens not available. Original-Received: from ironport2-out.teksavvy.com (ironport2-out.pppoe.ca [206.248.154.182]) by rzlab.ucr.edu (8.13.8/8.13.8/Debian-3) with ESMTP id n2IDeofP023765 for <2445@emacsbugs.donarmstrong.com>; Wed, 18 Mar 2009 06:40:51 -0700 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AkIFABeWwElFxIZP/2dsb2JhbACBT9Img3wGhFA X-IronPort-AV: E=Sophos;i="4.38,384,1233550800"; d="scan'208";a="35350549" Original-Received: from 69-196-134-79.dsl.teksavvy.com (HELO pastel.home) ([69.196.134.79]) by ironport2-out.teksavvy.com with ESMTP; 18 Mar 2009 09:40:44 -0400 Original-Received: by pastel.home (Postfix, from userid 20848) id 5AC33806F; Wed, 18 Mar 2009 09:40:44 -0400 (EDT) In-Reply-To: (Richard M. Stallman's message of "Mon, 23 Feb 2009 10:02:46 -0500") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.0.91 (gnu/linux) X-detected-operating-system: by monty-python.gnu.org: GNU/Linux 2.6 (newer, 3) Resent-Date: Wed, 18 Mar 2009 10:03:50 -0400 X-BeenThere: bug-gnu-emacs@gnu.org X-Mailman-Version: 2.1.5 Precedence: list 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:26462 gmane.emacs.pretest.bugs:24151 Archived-At: > When I type C-x C-f xmail/foox TAB, where xmail contains 800 files > and none of them starts with foox, it takes a few seconds (including > 3 GCs) before telling me it can't be found. > Here's output from xbacktrace: > "file-name-completion" (0x7fbe23e4) Indeed, the new partial-completion code triggers an inefficiency in file-name-completion. I've installed a patch which should significantly reduce the problem (at least in my test case, tho I had to use a directory with 100K files to reproduce a problem that seems similar to yours). Stefan