X-Recipient: archive-cygwin AT delorie DOT com DomainKey-Signature: a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:message-id:date:from:reply-to:mime-version:to :subject:references:in-reply-to:content-type :content-transfer-encoding; q=dns; s=default; b=qGMFp40YB1nigIz9 QoLKj8s76TOR0Lb4/NW4m+xgSoe9FiiCpE/xE0qQszDDi+ujNCq2uOUGc9aJMbvg FMAaX/wdGUqaSHgMkgiKrST6xjy2HK8u8vBTrOxdA1oku3B/7kVF1YUlkE/MY6d6 KFM95zxgeqc/eAKfIeYaTXlcGyw= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:message-id:date:from:reply-to:mime-version:to :subject:references:in-reply-to:content-type :content-transfer-encoding; s=default; bh=qecrNegAj3b++Z6mOeQwqw tH6gI=; b=nSEC4hRWtR5twKA75ksmFrjtAf1gmQp9Y8Xa7+pBf4Of5dGdEfCcNn d0f17diLZRo1TsBOY9JGqo3MlmqsFxjHgDhvim3M8rESx0jSDlfKJ8FRG+NQd6wv sr0reQ7va2QctYYfin/AAvcaESkBd5pfumuppl0jEFZ5dtRLNGVuo= 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 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.7 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_40 autolearn=ham version=3.3.2 X-HELO: vms173001pub.verizon.net Message-id: <52434333.9010201@cygwin.com> Date: Wed, 25 Sep 2013 16:10:27 -0400 From: "Larry Hall (Cygwin)" Reply-to: cygwin AT cygwin DOT com User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:17.0) Gecko/20130801 Thunderbird/17.0.8 MIME-version: 1.0 To: cygwin AT cygwin DOT com Subject: Re: cp vs copy performance over local network References: <52432BDB DOT 7080809 AT cygwin DOT com> <5F8AAC04F9616747BC4CC0E803D5907D0C3F2F18 AT MLBXv04 DOT nih DOT gov> In-reply-to: <5F8AAC04F9616747BC4CC0E803D5907D0C3F2F18@MLBXv04.nih.gov> Content-type: text/plain; charset=ISO-8859-1; format=flowed Content-transfer-encoding: 7bit On 9/25/2013 3:45 PM, Lavrentiev, Anton (NIH/NLM/NCBI) [C] wrote: >> There's overhead to handle POSIX permissions, etc. > > For one file, the effects of copying the meta-data should be negligible. You're right. I didn't really look at the example (1 file) and the timing difference (~10 sec). I was assuming multiple files. strace output still might provide some insight. Or perhaps as Andrey suggests, the x86_64 version might make up the difference. -- Larry _____________________________________________________________________ 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