From owner-freebsd-performance@FreeBSD.ORG  Wed Dec 24 15:02:45 2008
Return-Path: <owner-freebsd-performance@FreeBSD.ORG>
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 546761065676
	for <freebsd-performance@freebsd.org>;
	Wed, 24 Dec 2008 15:02:45 +0000 (UTC)
	(envelope-from ivoras@gmail.com)
Received: from mail-bw0-f19.google.com (mail-bw0-f19.google.com
	[209.85.218.19])
	by mx1.freebsd.org (Postfix) with ESMTP id B6F078FC18
	for <freebsd-performance@freebsd.org>;
	Wed, 24 Dec 2008 15:02:44 +0000 (UTC)
	(envelope-from ivoras@gmail.com)
Received: by bwz12 with SMTP id 12so8703395bwz.19
	for <freebsd-performance@freebsd.org>;
	Wed, 24 Dec 2008 07:02:43 -0800 (PST)
Received: by 10.181.30.10 with SMTP id h10mr3167709bkj.200.1230130963357;
	Wed, 24 Dec 2008 07:02:43 -0800 (PST)
Received: by 10.181.20.7 with HTTP; Wed, 24 Dec 2008 07:02:39 -0800 (PST)
Message-ID: <9bbcef730812240702t6fd2f9f8wcdda075f70517102@mail.gmail.com>
Date: Wed, 24 Dec 2008 16:02:39 +0100
From: ivoras@freebsd.org
To: "Mike Tancsa" <mike@sentex.net>
In-Reply-To: <200812240320.mBO3KoEi033856@lava.sentex.ca>
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 7bit
Content-Disposition: inline
References: <200812192214.mBJMEj2Q009511@lava.sentex.ca>
	<gir34t$bkl$1@ger.gmane.org>
	<200812240320.mBO3KoEi033856@lava.sentex.ca>
Cc: freebsd-performance@freebsd.org
Subject: Re: intel i7 and Hyperthreading
X-BeenThere: freebsd-performance@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Performance/tuning <freebsd-performance.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-performance>,
	<mailto:freebsd-performance-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-performance>
List-Post: <mailto:freebsd-performance@freebsd.org>
List-Help: <mailto:freebsd-performance-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-performance>,
	<mailto:freebsd-performance-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 24 Dec 2008 15:02:45 -0000

On 24/12/2008, Mike Tancsa <mike@sentex.net> wrote:
> 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
>

Comparing to your original numbers, it looks like you might have some
debugging enabled there: the original 7.x results went from 13:57 to
11:32, this goes from 21:18 to 15:30. I don't think the world is that
much larger in -CURRENT.