From owner-freebsd-questions@FreeBSD.ORG Thu Oct 20 15:07:14 2005 Return-Path: X-Original-To: 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 852DB16A41F for ; Thu, 20 Oct 2005 15:07:14 +0000 (GMT) (envelope-from grog@lemis.com) Received: from ext-gw.lemis.com (ext-gw.lemis.com [150.101.14.10]) by mx1.FreeBSD.org (Postfix) with ESMTP id 32A2943D7C for ; Thu, 20 Oct 2005 15:07:07 +0000 (GMT) (envelope-from grog@lemis.com) Received: from wantadilla.lemis.com (wantadilla.lemis.com [192.109.197.135]) by ext-gw.lemis.com (Postfix) with ESMTP id A5084131D4D; Fri, 21 Oct 2005 00:37:05 +0930 (CST) Received: from eucla.lemis.com (wantadilla.lemis.com [192.109.197.135]) by wantadilla.lemis.com (Postfix) with ESMTP id 9A66F84641; Fri, 21 Oct 2005 00:37:04 +0930 (CST) Received: by eucla.lemis.com (Postfix, from userid 1004) id 09C6C4D302; Thu, 20 Oct 2005 18:07:02 +0300 (EEST) Date: Thu, 20 Oct 2005 18:07:02 +0300 From: Greg 'groggy' Lehey To: "Andrew P." Message-ID: <20051020150701.GB973@eucla.lemis.com> References: <20051020125504.GG1128@eucla.lemis.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.2.1i Organization: The FreeBSD Project Phone: +61-8-8388-8286 Fax: +61-8-8388-8725 Mobile: +61-418-838-708 WWW-Home-Page: http://www.FreeBSD.org/ X-PGP-Fingerprint: 9A1B 8202 BCCE B846 F92F 09AC 22E6 F290 507A 4223 Cc: FreeBSD Questions Subject: Re: Multiple CPUs without SMP 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: Thu, 20 Oct 2005 15:07:14 -0000 On Thursday, 20 October 2005 at 18:06:29 +0400, Andrew P. wrote: > On 10/20/05, Greg 'groggy' Lehey wrote: >> On Thursday, 20 October 2005 at 15:15:39 +0400, Andrew P. wrote: >>> I don't need SMP, I would settle on manually assigning CPU affinity >>> to each processor, but I gather FreeBSD can only handle 2+ CPUs with >>> SMP enabled. >> >> I'm wondering if you have misunderstood the purpose of SMP >> (symmetrical multiprocessors). That's the architecture of the >> motherboard. If you want to use the second processor, you're >> effectively saying that you want to use SMP. An SMP kernel is one >> that supports them. > > Thanks for your answer. > > NUMA architecture would fit some of our servers so much better. But > SMP has its own strengths which we'll try to use. Right, but NUMA is different hardware from SMP. We don't support any "real" NUMA hardware. Greg -- When replying to this message, please copy the original recipients. If you don't, I may ignore the reply or reply to the original recipients. For more information, see http://www.lemis.com/questions.html See complete headers for address and phone numbers