From owner-freebsd-questions@FreeBSD.ORG Sat Nov 9 00:18:51 2013 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTP id C981CD2E; Sat, 9 Nov 2013 00:18:51 +0000 (UTC) (envelope-from aurfalien@gmail.com) Received: from mail-pd0-x229.google.com (mail-pd0-x229.google.com [IPv6:2607:f8b0:400e:c02::229]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 93ED42A4E; Sat, 9 Nov 2013 00:18:51 +0000 (UTC) Received: by mail-pd0-f169.google.com with SMTP id q10so2834499pdj.14 for ; Fri, 08 Nov 2013 16:18:51 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=subject:mime-version:content-type:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=/1yv9+IKdWUF+TV+qzEat5AUdPaBe8z4mu5vKNfQS74=; b=yYDUgnhUVvY14lQMCTy1UI9j+YMECGjBlaVGcR/RqjlgWFVpaKevmXMWfQ6H6+lSjx 4hDjCnjOHZwMDQN7nfdAKs6OAZB7br24ajf7MEitP0I5J7UrMeTFqf6njZ9QMLTbZWf2 LO7DTzcqs54SXtiM23t+67nzlXRVHi83HWcWnOOEMdbfN7THqi2Tspj+eS4jzw3WWmyL cRU4TC73VWYlz7bVIdVs/jyc3xgJQWyQckJTnBLzvTJMUEVNm59BXH3gZlENhgCac4RB Mki3GoK07Z1sqk2JxLcTulelZ+QSzZuA0ex9lOKmXE63/TvJuY0mAngAj7BZP4zDgWW4 ObjQ== X-Received: by 10.68.225.197 with SMTP id rm5mr17899687pbc.166.1383956331183; Fri, 08 Nov 2013 16:18:51 -0800 (PST) Received: from briankrusicw.logan.tv ([64.17.255.138]) by mx.google.com with ESMTPSA id xs1sm17340775pac.7.2013.11.08.16.18.50 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Fri, 08 Nov 2013 16:18:50 -0800 (PST) Subject: Re: FreeBSD, Centos and ZFS - SOLVED Mime-Version: 1.0 (Apple Message framework v1085) Content-Type: text/plain; charset=us-ascii From: aurfalien In-Reply-To: Date: Fri, 8 Nov 2013 16:18:48 -0800 Content-Transfer-Encoding: quoted-printable Message-Id: <26C1E8D6-B707-46D0-B5A5-A0C8FC6B835A@gmail.com> References: <1381600575.18393.33219025.5D7B78D0@webmail.messagingengine.com> <8CA809B3-1692-4760-A63F-9D7451EB49BD@gmail.com> <525D143B.50202@gmail.com> <1382285088.2462.36238881.1AA6BB17@webmail.messagingengine.com> <25C055B9-4A19-46C8-B78E-AC8BD6E00CD9@gmail.com> To: Adrian Chadd X-Mailer: Apple Mail (2.1085) Cc: FreeBSD Questions X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 09 Nov 2013 00:18:51 -0000 Hi, Sure, I decided to run powerd with the following args; -a hiadaptive -p 25 And its running rather well. I will be trying the additional option you mentioned all those moons ago = next week; performance_cpu_freq=3D"HIGH" - aurf On Nov 8, 2013, at 4:12 PM, Adrian Chadd wrote: > Hi! >=20 > Sorry to resurrect this thread, but I'd like to understand what's > going on under the hood. >=20 >=20 > On 22 October 2013 16:40, aurfalien wrote: >=20 >> OMG, what a relief... the ~30% diff in performance was due to a BIOS = setting, in particular this one; >>=20 >> Intel Turbo Boost Technology >> Enhanced Intel SpeedStep Tech >>=20 >> I disabled both. >>=20 >> In fact, FreeBSD is showing a tad better now then CentOS. I have = files if any one is interested in viewing. >>=20 >> Thanks to all for the rather overwhelming response :) >>=20 >> Actually it was good that hardly any one did as it forced me to debug = the old fashioned way :) >=20 > Would you mind testing out running powerd as suggested? Does that give > you a performance boost? >=20 > with this in /etc/rc.conf: >=20 > performance_cpu_freq=3D"HIGH" >=20 > Thanks! >=20 >=20 >=20 > -adrian