X-Recipient: archive-cygwin AT delorie DOT com X-SWARE-Spam-Status: No, hits=-1.8 required=5.0 tests=AWL,BAYES_00,TW_YW X-Spam-Check-By: sourceware.org X-Yahoo-SMTP: Uu383n6swBCEN1G9up0WSnxbvN8fCPmk Message-ID: <4C86867D.4050509@cygwin.com> Date: Tue, 07 Sep 2010 14:37:49 -0400 From: "Larry Hall \(Cygwin\)" Reply-To: cygwin AT cygwin DOT com User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.1.21) Gecko/20090320 Remi/2.0.0.21-1.fc8.remi Lightning/0.9 Thunderbird/2.0.0.21 Mnenhy/0.7.5.0 MIME-Version: 1.0 To: cygwin AT cygwin DOT com Subject: Re: incredibly slow file listing script on windoze 7 pro 4 core 64 bit References: In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner AT cygwin DOT com Mail-Followup-To: cygwin AT cygwin DOT com Delivered-To: mailing list cygwin AT cygwin DOT com On 9/7/2010 12:05 PM, mike marchywka wrote: > this takes a few minutes on old debian machine, taking much longer > here on same data- > about 19k file about 24Gb total size. > Windoze finally has better perf stuff but still no help- one core at > 25 pct all kernel > time disk not exactly busy. All the time is in the "ls" loop not the > find command. > Now obbviously I expect the "ls" per file has to make a bunch of OS calls for > each file but still even with cygwin layer seems a bit much. > Thanks. The problem is that Cygwin has to open all the files to stat when you use the '-l' flag. Try without the flag to get the lower bound and see if that's better for you. If so, maybe '-s' will suit your purpose. Or even 'du'? -- Larry Hall http://www.rfk.com RFK Partners, Inc. (508) 893-9779 - RFK Office 216 Dalton Rd. (508) 893-9889 - FAX Holliston, MA 01746 _____________________________________________________________________ A: Yes. > Q: Are you sure? >> A: Because it reverses the logical flow of conversation. >>> Q: Why is top posting annoying in email? -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple