From owner-freebsd-questions@FreeBSD.ORG  Mon Nov 21 11:26:36 2005
Return-Path: <owner-freebsd-questions@FreeBSD.ORG>
X-Original-To: freebsd-questions@freebsd.org
Delivered-To: freebsd-questions@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id 3A73E16A41F
	for <freebsd-questions@freebsd.org>;
	Mon, 21 Nov 2005 11:26:36 +0000 (GMT)
	(envelope-from freebsd-questions@m.gmane.org)
Received: from ciao.gmane.org (main.gmane.org [80.91.229.2])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 9F8D143D46
	for <freebsd-questions@freebsd.org>;
	Mon, 21 Nov 2005 11:26:35 +0000 (GMT)
	(envelope-from freebsd-questions@m.gmane.org)
Received: from list by ciao.gmane.org with local (Exim 4.43)
	id 1Ee9lu-0004T9-UJ
	for freebsd-questions@freebsd.org; Mon, 21 Nov 2005 12:23:44 +0100
Received: from 0x5551206f.adsl.cybercity.dk ([85.81.32.111])
	by main.gmane.org with esmtp (Gmexim 0.1 (Debian))
	id 1AlnuQ-0007hv-00
	for <freebsd-questions@freebsd.org>; Mon, 21 Nov 2005 12:23:42 +0100
Received: from jwl by 0x5551206f.adsl.cybercity.dk with local (Gmexim 0.1
	(Debian)) id 1AlnuQ-0007hv-00
	for <freebsd-questions@freebsd.org>; Mon, 21 Nov 2005 12:23:42 +0100
X-Injected-Via-Gmane: http://gmane.org/
To: freebsd-questions@freebsd.org
From: Jeppe Larsen <jwl@io.dk>
Date: Mon, 21 Nov 2005 12:22:32 +0100
Lines: 17
Message-ID: <pan.2005.11.21.11.22.26.13882@io.dk>
References: <20051107185226.M70218@io.dk>
	<200511172302.39460.freebsd01@dgmm.net>
Mime-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: 8bit
X-Complaints-To: usenet@sea.gmane.org
X-Gmane-NNTP-Posting-Host: 0x5551206f.adsl.cybercity.dk
User-Agent: Pan/0.14.2.91 (As She Crawled Across the Table)
Sender: news <news@sea.gmane.org>
Subject: Re: enable smp / hyperthreading
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions>
List-Post: <mailto:freebsd-questions@freebsd.org>
List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Mon, 21 Nov 2005 11:26:36 -0000

On Thu, 17 Nov 2005 23:02:39 +0000, dgmm wrote:

> From my point of view, using SMP with a single HT processor is a waste of time 
> unless you routinely run multiple programmes which require an approximately 
> equal amount of CPU time or you need to keep about half of your CPU time free 
> for other programs.

What about running 'make' with some -j options? Wouldnt that take
advantage of the "two" CPUs better than if running without HT? And 'make'
is used quite often ;)

-- 
vh
Jeppe W. Larsen

"Logic is the beginning of wisdom; not the end."