From owner-freebsd-questions@FreeBSD.ORG Wed Nov 15 00:15:26 2006 Return-Path: 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 4899E16A416 for ; Wed, 15 Nov 2006 00:15:26 +0000 (UTC) (envelope-from speedtoys.racing@gmail.com) Received: from nf-out-0910.google.com (nf-out-0910.google.com [64.233.182.190]) by mx1.FreeBSD.org (Postfix) with ESMTP id CDAAD43E0F for ; Wed, 15 Nov 2006 00:13:55 +0000 (GMT) (envelope-from speedtoys.racing@gmail.com) Received: by nf-out-0910.google.com with SMTP id x37so87731nfc for ; Tue, 14 Nov 2006 16:13:54 -0800 (PST) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=qo3v31yyzARrficz1lGNsBLT2OnXkn1PxkJsy+f2zbYx+RAAVX/vlUtK7S5e7l6izQYrjmNkN2Wg6ob7Td6fmhB9SBY6tW1KTauv1F5JQbtucBPpD+AqeJInhIgZEo+PmXiceF0fFrxVJbv2NjZZ1U3V7gAOsye4FvrJBvmmNUg= Received: by 10.49.20.15 with SMTP id x15mr1817677nfi.1163549634414; Tue, 14 Nov 2006 16:13:54 -0800 (PST) Received: by 10.48.203.2 with HTTP; Tue, 14 Nov 2006 16:13:54 -0800 (PST) Message-ID: Date: Tue, 14 Nov 2006 16:13:54 -0800 From: "Jeff Mohler" To: "Juha Saarinen" In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <1163545085.492.20.camel@columbus.webtent.org> <8cb6106e0611141504sa4fbe00q8aeda6f869422d26@mail.gmail.com> <1163548016.492.26.camel@columbus.webtent.org> Cc: Robert Fitzpatrick , FreeBSD Subject: Re: Dual core processors X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 15 Nov 2006 00:15:26 -0000 My dmesg matches yours Juha.. Would enabling Hyperthreading increase any of my processing power? On 11/14/06, Juha Saarinen wrote: > On 11/15/06, Robert Fitzpatrick wrote: > > Looks like my hyperthreading is enabled and it is in the BIOS. I was > > told there was a dual-core in the machine, but not confirmed. But there > > should be two with HT anyway as seen, correct? > > This is a dmesg from an Intel D830 box: > > CPU: Genuine Intel(R) CPU 3.20GHz (3217.43-MHz 686-class CPU) > Origin = "GenuineIntel" Id = 0xf47 Stepping = 7 > Features=0xbfebfbff SE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE> > Features2=0x649d> > AMD Features=0x20100000 > AMD Features2=0x1 > Cores per package: 2 > > I think you do have a single processor with hyperthreading (logical > CPUs) and not a dual-core model. > > To get hyperthreading up and running, you need to add: > > machdep.hyperthreading_allowed=1 > > to /etc/sysctl.conf or change it manually. Please google for the > security implications of doing this first though. > > > -- > Juha > http://www.geekzone.co.nz/juha > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org" >