From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Paul Eggert Newsgroups: gmane.emacs.devel Subject: Re: Multibyte and unibyte file names Date: Sat, 26 Jan 2013 10:06:26 -0800 Organization: UCLA Computer Science Department Message-ID: <51041B22.1010800@cs.ucla.edu> References: <83ehhbn680.fsf@gnu.org> <83wqv2ldk1.fsf@gnu.org> <83obgel94c.fsf@gnu.org> <83k3r1lnlb.fsf@gnu.org> <83vcalj97s.fsf@gnu.org> <87vcak3ar1.fsf@uwakimon.sk.tsukuba.ac.jp> <83mwvwjib3.fsf@gnu.org> <87sj5o2j1b.fsf@uwakimon.sk.tsukuba.ac.jp> <83ham4jcbf.fsf@gnu.org> <87mwvv3m5d.fsf@uwakimon.sk.tsukuba.ac.jp> <83ehh7kfwc.fsf@gnu.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1359223595 24556 80.91.229.3 (26 Jan 2013 18:06:35 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sat, 26 Jan 2013 18:06:35 +0000 (UTC) Cc: "Stephen J. Turnbull" , emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sat Jan 26 19:06:54 2013 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1TzA9S-0004Yz-S6 for ged-emacs-devel@m.gmane.org; Sat, 26 Jan 2013 19:06:50 +0100 Original-Received: from localhost ([::1]:60153 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TzA9B-0003fH-7t for ged-emacs-devel@m.gmane.org; Sat, 26 Jan 2013 13:06:33 -0500 Original-Received: from eggs.gnu.org ([208.118.235.92]:57896) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TzA99-0003fA-3I for emacs-devel@gnu.org; Sat, 26 Jan 2013 13:06:32 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TzA97-0001AX-GO for emacs-devel@gnu.org; Sat, 26 Jan 2013 13:06:31 -0500 Original-Received: from smtp.cs.ucla.edu ([131.179.128.62]:59724) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TzA96-0001AH-57; Sat, 26 Jan 2013 13:06:28 -0500 Original-Received: from localhost (localhost.localdomain [127.0.0.1]) by smtp.cs.ucla.edu (Postfix) with ESMTP id 7C30839E810A; Sat, 26 Jan 2013 10:06:27 -0800 (PST) X-Virus-Scanned: amavisd-new at smtp.cs.ucla.edu Original-Received: from smtp.cs.ucla.edu ([127.0.0.1]) by localhost (smtp.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 9Q5WfPNrkd+H; Sat, 26 Jan 2013 10:06:26 -0800 (PST) Original-Received: from [192.168.1.9] (pool-71-189-154-249.lsanca.fios.verizon.net [71.189.154.249]) by smtp.cs.ucla.edu (Postfix) with ESMTPSA id AAAB639E8109; Sat, 26 Jan 2013 10:06:26 -0800 (PST) User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130106 Thunderbird/17.0.2 In-Reply-To: <83ehh7kfwc.fsf@gnu.org> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Received-From: 131.179.128.62 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.14 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-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:156662 Archived-At: On 01/26/2013 09:33 AM, Eli Zaretskii wrote: > directory-files-and-attributes, used on Windows > to emulate 'ls', must be fast enough even in large directories, > because otherwise Dired will be painfully slow to start. As things > are, things are too slow already, especially with remote filesystems; > there were bug reports about this last year. Is it possible that those performance problems are due to networking, or due to the OS overhead of repeatedly interpreting long file names (addressed for POSIXish systems by the proposed patch in Bug#13539), rather than due to the overhead of decoding file names retrieved from directories?