From owner-freebsd-current@FreeBSD.ORG Wed Dec 2 12:37:32 2009 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 70A6C1065676; Wed, 2 Dec 2009 12:37:32 +0000 (UTC) (envelope-from des@des.no) Received: from tim.des.no (tim.des.no [194.63.250.121]) by mx1.freebsd.org (Postfix) with ESMTP id 334F88FC14; Wed, 2 Dec 2009 12:37:32 +0000 (UTC) Received: from ds4.des.no (des.no [84.49.246.2]) by smtp.des.no (Postfix) with ESMTP id 71B786D41C; Wed, 2 Dec 2009 12:37:31 +0000 (UTC) Received: by ds4.des.no (Postfix, from userid 1001) id 4FD08844E8; Wed, 2 Dec 2009 13:37:31 +0100 (CET) From: =?utf-8?Q?Dag-Erling_Sm=C3=B8rgrav?= To: Alexander Motin References: <1259583785.00188655.1259572802@10.7.7.3> <1259659388.00189017.1259647802@10.7.7.3> <4B153498.8050601@FreeBSD.org> Date: Wed, 02 Dec 2009 13:37:31 +0100 In-Reply-To: <4B153498.8050601@FreeBSD.org> (Alexander Motin's message of "Tue, 01 Dec 2009 17:22:00 +0200") Message-ID: <86eindo8l0.fsf@ds4.des.no> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.0.95 (berkeley-unix) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Cc: freebsd-current@freebsd.org, David Naylor Subject: Re: FreeBSD 8.0 Performance (at Phoronix) X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 02 Dec 2009 12:37:32 -0000 Alexander Motin writes: > The results: > ata(4) - no NCQ: > Bytes per second: 12455402 > Requests per second: 189 > ahci(4) - with NCQ: > Bytes per second: 19889778 > Requests per second: 303 > > Results are repeatable up to the 4-th digit. Average time per request is > 5.29ms and 3.3ms respectively, that seems realistic for this drive. /usr/bin/ministat DES --=20 Dag-Erling Sm=C3=B8rgrav - des@des.no