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: sleep-for documentation and how to pause reliably Date: Sun, 17 Feb 2013 18:26:14 +0200 Message-ID: <83d2vyrjo9.fsf@gnu.org> References: <83mwv6szif.fsf@gnu.org> <878v6pj2vk.fsf@gmail.com> <83haldu342.fsf@gnu.org> <87r4khgvrf.fsf@gmail.com> <83bobkslb9.fsf@gnu.org> <20130217195813.634c3e504b81e6220258f785@gmail.com> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1361118376 12626 80.91.229.3 (17 Feb 2013 16:26:16 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 17 Feb 2013 16:26:16 +0000 (UTC) Cc: emacs-devel@gnu.org, thierry.volpiatto@gmail.com To: Xue Fuqiao Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sun Feb 17 17:26:37 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 1U774X-0006GR-D0 for ged-emacs-devel@m.gmane.org; Sun, 17 Feb 2013 17:26:37 +0100 Original-Received: from localhost ([::1]:52070 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1U774D-0004XB-Dj for ged-emacs-devel@m.gmane.org; Sun, 17 Feb 2013 11:26:17 -0500 Original-Received: from eggs.gnu.org ([208.118.235.92]:54196) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1U7749-0004WY-LU for emacs-devel@gnu.org; Sun, 17 Feb 2013 11:26:15 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1U7747-0005oc-N0 for emacs-devel@gnu.org; Sun, 17 Feb 2013 11:26:13 -0500 Original-Received: from mtaout23.012.net.il ([80.179.55.175]:44284) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1U7747-0005oQ-7y for emacs-devel@gnu.org; Sun, 17 Feb 2013 11:26:11 -0500 Original-Received: from conversion-daemon.a-mtaout23.012.net.il by a-mtaout23.012.net.il (HyperSendmail v2007.08) id <0MID00800HJ05K00@a-mtaout23.012.net.il> for emacs-devel@gnu.org; Sun, 17 Feb 2013 18:26:09 +0200 (IST) Original-Received: from HOME-C4E4A596F7 ([87.69.4.28]) by a-mtaout23.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0MID008R3HNK5S00@a-mtaout23.012.net.il>; Sun, 17 Feb 2013 18:26:09 +0200 (IST) In-reply-to: <20130217195813.634c3e504b81e6220258f785@gmail.com> X-012-Sender: halo1@inter.net.il X-detected-operating-system: by eggs.gnu.org: Solaris 10 X-Received-From: 80.179.55.175 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:157100 Archived-At: > Date: Sun, 17 Feb 2013 19:58:13 +0800 > From: Xue Fuqiao > Cc: Thierry Volpiatto , emacs-devel@gnu.org > > > I never see anything close to 20 sec, neither on Windows nor on > > GNU/Linux. The first evaluation takes a little longer (perhaps a > > second or two) until I see "hi", but I think this is due to a cold > > cache that makes start-process-shell-command slower. > > Just a question: what does "cold cache" mean? I meant the disk cache. A cold cache (as opposed to a warm cache) means that the files your program reads are not in the cache, and need to be physically read from the disk.