From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.devel Subject: Re: Multibyte and unibyte file names Date: Sat, 26 Jan 2013 20:20:24 +0200 Message-ID: <83a9rvkdqv.fsf@gnu.org> 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> <51041B22.1010800@cs.ucla.edu> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1359224422 31929 80.91.229.3 (26 Jan 2013 18:20:22 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sat, 26 Jan 2013 18:20:22 +0000 (UTC) Cc: stephen@xemacs.org, emacs-devel@gnu.org To: Paul Eggert Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sat Jan 26 19:20:42 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 1TzAMo-0001aC-UI for ged-emacs-devel@m.gmane.org; Sat, 26 Jan 2013 19:20:39 +0100 Original-Received: from localhost ([::1]:41587 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TzAMX-0001WM-0x for ged-emacs-devel@m.gmane.org; Sat, 26 Jan 2013 13:20:21 -0500 Original-Received: from eggs.gnu.org ([208.118.235.92]:60018) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TzAMU-0001VK-SI for emacs-devel@gnu.org; Sat, 26 Jan 2013 13:20:19 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TzAMT-0005Yf-Pc for emacs-devel@gnu.org; Sat, 26 Jan 2013 13:20:18 -0500 Original-Received: from mtaout22.012.net.il ([80.179.55.172]:54362) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TzAMT-0005XJ-Gy for emacs-devel@gnu.org; Sat, 26 Jan 2013 13:20:17 -0500 Original-Received: from conversion-daemon.a-mtaout22.012.net.il by a-mtaout22.012.net.il (HyperSendmail v2007.08) id <0MH800500VXWUU00@a-mtaout22.012.net.il> for emacs-devel@gnu.org; Sat, 26 Jan 2013 20:20:15 +0200 (IST) Original-Received: from HOME-C4E4A596F7 ([87.69.4.28]) by a-mtaout22.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0MH8005NCW9PP450@a-mtaout22.012.net.il>; Sat, 26 Jan 2013 20:20:14 +0200 (IST) In-reply-to: <51041B22.1010800@cs.ucla.edu> X-012-Sender: halo1@inter.net.il X-detected-operating-system: by eggs.gnu.org: Solaris 10 X-Received-From: 80.179.55.172 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:156664 Archived-At: > Date: Sat, 26 Jan 2013 10:06:26 -0800 > From: Paul Eggert > CC: "Stephen J. Turnbull" , emacs-devel@gnu.org > > 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? Sorry, I didn't mean to say that the performance problems are due to decoding. I meant to say that performance sometimes sucks even without adding more decoding. The performance complaints I heard last were due to retrieving owner and group information from remote files. That problem was hopefully solved in trunk revision 111226.