From owner-freebsd-performance@FreeBSD.ORG Wed Dec 24 03:20:51 2008 Return-Path: Delivered-To: freebsd-performance@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 7D6B61065674; Wed, 24 Dec 2008 03:20:51 +0000 (UTC) (envelope-from mike@sentex.net) Received: from smarthost1.sentex.ca (smarthost1.sentex.ca [64.7.153.18]) by mx1.freebsd.org (Postfix) with ESMTP id 466498FC19; Wed, 24 Dec 2008 03:20:51 +0000 (UTC) (envelope-from mike@sentex.net) Received: from lava.sentex.ca (pyroxene.sentex.ca [199.212.134.18]) by smarthost1.sentex.ca (8.14.3/8.14.3) with ESMTP id mBO3KoQ8011712; Tue, 23 Dec 2008 22:20:50 -0500 (EST) (envelope-from mike@sentex.net) Received: from mdt-xp.sentex.net (simeon.sentex.ca [192.168.43.27]) by lava.sentex.ca (8.13.8/8.13.3) with ESMTP id mBO3KoEi033856 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Tue, 23 Dec 2008 22:20:50 -0500 (EST) (envelope-from mike@sentex.net) Message-Id: <200812240320.mBO3KoEi033856@lava.sentex.ca> X-Mailer: QUALCOMM Windows Eudora Version 7.1.0.9 Date: Tue, 23 Dec 2008 22:20:49 -0500 To: Ivan Voras , freebsd-performance@freebsd.org From: Mike Tancsa In-Reply-To: References: <200812192214.mBJMEj2Q009511@lava.sentex.ca> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; format=flowed X-Scanned-By: MIMEDefang 2.64 on 64.7.153.18 Cc: Subject: Re: intel i7 and Hyperthreading X-BeenThere: freebsd-performance@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Performance/tuning List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 24 Dec 2008 03:20:51 -0000 At 11:20 AM 12/23/2008, Ivan Voras wrote: >I just thought of another thing - can you boot an 8-CURRENT kernel >on the machine and report the value of kern.sched.topology_spec >sysctl? This is to verify how the ULE sees the HTT topology of the CPUs. And buildworld from current 4,8 and 10 3287.727u 973.504s 21:18.88 333.1% -4100+2075k 28490+5472io 10433pf+0w 3511.547u 1473.695s 15:30.77 535.6% -2668+2067k 1604+5381io 8741pf+0w 3576.281u 1546.722s 15:38.02 546.1% -2431+2068k 1570+5448io 8711pf+0w ---Mike