From owner-freebsd-questions@freebsd.org Sat Aug 22 02:12:32 2015 Return-Path: Delivered-To: freebsd-questions@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 0C7DB9C0940 for ; Sat, 22 Aug 2015 02:12:32 +0000 (UTC) (envelope-from quartz@sneakertech.com) Received: from douhisi.pair.com (douhisi.pair.com [209.68.5.179]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id E36DA1616 for ; Sat, 22 Aug 2015 02:12:31 +0000 (UTC) (envelope-from quartz@sneakertech.com) Received: from [10.2.2.1] (pool-173-48-121-235.bstnma.fios.verizon.net [173.48.121.235]) by douhisi.pair.com (Postfix) with ESMTPSA id 3897C3F6FB for ; Fri, 21 Aug 2015 22:12:30 -0400 (EDT) Message-ID: <55D7DA8D.4060704@sneakertech.com> Date: Fri, 21 Aug 2015 22:12:29 -0400 From: Quartz MIME-Version: 1.0 To: freebsd-questions@freebsd.org Subject: Re: md5 -t native vs VM References: <55D7D5CE.5010205@sneakertech.com> In-Reply-To: <55D7D5CE.5010205@sneakertech.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 22 Aug 2015 02:12:32 -0000 > I have an OSX machine. When I run FreeBSD inside VirtualBox, 'md5 -t' is > about 5% faster than in the native OSX terminal. Same digest > (766a2bb5d24bddae466c572bcabca3ee) and everything. > > Can anyone explain what's going on? Also related: 'md5 -t' runs slower (~88%) on a 2.4ghz core2duo than a 2.5ghz dual core celeron of the same vintage. I'm assuming the extra cache and such doesn't matter to md5?