From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: John Wiegley Newsgroups: gmane.emacs.devel Subject: Re: dired and ls Date: Sat, 20 Feb 2016 11:21:37 -0800 Message-ID: References: <87povs41xg.fsf@gnus.org> <87bn7c3yms.fsf@gnus.org> <87mvqvewk6.fsf_-_@gnus.org> <83k2lzpuuj.fsf@gnu.org> Reply-To: John Wiegley NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1455996247 26806 80.91.229.3 (20 Feb 2016 19:24:07 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sat, 20 Feb 2016 19:24:07 +0000 (UTC) Cc: Lars Ingebrigtsen , emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sat Feb 20 20:24:00 2016 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 1aXD8I-0001nu-7Y for ged-emacs-devel@m.gmane.org; Sat, 20 Feb 2016 20:23:58 +0100 Original-Received: from localhost ([::1]:35107 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aXD8E-0000WQ-2d for ged-emacs-devel@m.gmane.org; Sat, 20 Feb 2016 14:23:54 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:53361) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aXD89-0000T2-O5 for emacs-devel@gnu.org; Sat, 20 Feb 2016 14:23:50 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aXD88-0002Br-Mc for emacs-devel@gnu.org; Sat, 20 Feb 2016 14:23:49 -0500 Original-Received: from mail-pf0-x236.google.com ([2607:f8b0:400e:c00::236]:34400) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aXD84-0002Ad-04; Sat, 20 Feb 2016 14:23:44 -0500 Original-Received: by mail-pf0-x236.google.com with SMTP id x65so69622363pfb.1; Sat, 20 Feb 2016 11:23:43 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:in-reply-to:date:message-id:references :user-agent:reply-to:mail-followup-to:mime-version:content-type; bh=CB89JxR8VabPSWY3ZhJuWID7YHBhw9zASwwdDs7mQYI=; b=UeXEbLF53gXfrA9kFWPd3WZmCFIB0ZCBcbRwDunnWgf1RmSf+XTb+d55Rk5RzDVIwM tRXSeT+s4LHPeMi7uHd0K61GuAcsY+frWLhkfZPdJ2BNUum3WPKohlkAsGq1pgr8EZWR i0Qi7xPIEHc88tqA5aK/GmpH7JQI/QLE//DKYfpDUnrUVji9pJnoTx53XMPTXkW5LchX GOIR+qFBROVv/ahvbC+MntuBu7DrtcvSANYXSHOqnkuEuEauuGzPAaj/JpUqQZipPknz Nw6ivznQ+v7JnbjDXQQ9KoVglKxbYU3t18ZBiu/FV/Bc81XSUxVAtB0O2+Q3zwC2K1HW dfHA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:in-reply-to:date:message-id :references:user-agent:reply-to:mail-followup-to:mime-version :content-type; bh=CB89JxR8VabPSWY3ZhJuWID7YHBhw9zASwwdDs7mQYI=; b=l2bbUE/lYn7Wvccu7FyVbq2SD1xWjxG7S9gLWRfO+WhDWh43VlMBoPHQlhF4fpBy4O hHLUIgK0KZnkJY7bQ6EpEN6lsrI4zZA4Gh0hlH8H/uTZtXbKw/axb1ZGtHzAs15+RjrP lSxZqgNwbftQEq8Vu8NMg1QJG+PXjbIWlrP7NmbKU4jRQjExh5ThX+Ji0XoDFBNR3Q4q Am3q9nhVjb8T08tAM8EiHk9EmaqxIcgFxOrmwH6Gdcqs4j1Mow86cTr/ErRfmgrAWkvq 0mNClxuu5XFRM2KEKaSABGUOee4rQzBa31r6AUjjm0r7NDwLkQEcneZ1muWTcDrAucAP wjZQ== X-Gm-Message-State: AG10YOR57JJfnXdjdhtH+MCJoYnqr14E5cyfYW+blutnVXGmUgPDaGD9VwwuuwqAl+3NmA== X-Received: by 10.98.66.157 with SMTP id h29mr27261259pfd.91.1455996222914; Sat, 20 Feb 2016 11:23:42 -0800 (PST) Original-Received: from Vulcan.local (76-234-68-79.lightspeed.frokca.sbcglobal.net. [76.234.68.79]) by smtp.gmail.com with ESMTPSA id xm10sm26439442pab.12.2016.02.20.11.23.41 (version=TLS1 cipher=AES128-SHA bits=128/128); Sat, 20 Feb 2016 11:23:41 -0800 (PST) X-Google-Original-From: "John Wiegley" Original-Received: by Vulcan.local (Postfix, from userid 501) id 7DA18130FB2D5; Sat, 20 Feb 2016 11:23:40 -0800 (PST) In-Reply-To: <83k2lzpuuj.fsf@gnu.org> (Eli Zaretskii's message of "Sat, 20 Feb 2016 11:57:40 +0200") User-Agent: Gnus/5.130014 (Ma Gnus v0.14) Emacs/24.5 (darwin) Mail-Followup-To: Eli Zaretskii , Lars Ingebrigtsen , emacs-devel@gnu.org X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2607:f8b0:400e:c00::236 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:200334 Archived-At: >>>>> Eli Zaretskii writes: > One reason why ls-lisp might be slower is that it performs quite a bit of > processing after reading the directory, and that processing is faster in C > than in Lisp. But it could be faster in insignificant ways. There's also em-ls (eshell's implementation of ls in Lisp). I wonder how it compares to ls-lisp on this performance point. -- John Wiegley GPG fingerprint = 4710 CF98 AF9B 327B B80F http://newartisans.com 60E1 46C4 BD1A 7AC1 4BA2