From owner-freebsd-hackers@FreeBSD.ORG Tue Jan 26 15:20:27 2010 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id A6D33106566C; Tue, 26 Jan 2010 15:20:27 +0000 (UTC) (envelope-from des@des.no) Received: from smtp.des.no (smtp.des.no [194.63.250.102]) by mx1.freebsd.org (Postfix) with ESMTP id 6B2948FC13; Tue, 26 Jan 2010 15:20:27 +0000 (UTC) Received: from ds4.des.no (des.no [84.49.246.2]) by smtp.des.no (Postfix) with ESMTP id 7B8CA1FFC51; Tue, 26 Jan 2010 15:20:26 +0000 (UTC) Received: by ds4.des.no (Postfix, from userid 1001) id 5AED98449F; Tue, 26 Jan 2010 16:20:26 +0100 (CET) From: =?utf-8?Q?Dag-Erling_Sm=C3=B8rgrav?= To: Ivan Voras References: Date: Tue, 26 Jan 2010 16:20:26 +0100 In-Reply-To: (Ivan Voras's message of "Sat, 23 Jan 2010 01:05:29 +0100") Message-ID: <86ljfkj3k5.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-hackers@freebsd.org Subject: Re: A 7 vs 8 db benchmark X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 26 Jan 2010 15:20:27 -0000 Ivan Voras writes: > This is a bit old, I forgot to post it earlier: > > http://suckit.blog.hu/2009/10/05/freebsd_8_is_it_worth_to_upgrade > > Some interesting graphs there. Jeff Roberson said the bogus CPU > topology shouldn't influence end-performance much. He thinks the > lockmgr rewrite was responsible for most of the big performance > difference. Were the benchmarks run with or without the topology patch? If without, could you ask the author to re-run them with the patch? DES --=20 Dag-Erling Sm=C3=B8rgrav - des@des.no