From owner-freebsd-net@FreeBSD.ORG Tue Jan 8 03:56:52 2013 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.FreeBSD.org [8.8.178.115]) by hub.freebsd.org (Postfix) with ESMTP id 01D7F793 for ; Tue, 8 Jan 2013 03:56:51 +0000 (UTC) (envelope-from erichsfreebsdlist@alogt.com) Received: from alogt.com (alogt.com [69.36.191.58]) by mx1.freebsd.org (Postfix) with ESMTP id 862FA8CF for ; Tue, 8 Jan 2013 03:56:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=alogt.com; s=default; h=Content-Transfer-Encoding:Content-Type:Mime-Version:References:In-Reply-To:Message-ID:Subject:Cc:To:From:Date; bh=4CiQiL+cXXtnmKlMPoQkCXOmEsQTsTvMpJrThd3UyYU=; b=XbxA7SJhQMZyhezPbaR0wC3nfWD1/KIAzXA2CK/Awr7hq5Rm58tnc9pSnhrxdOgeRpLKNRj4ZOeWLdXNXtHUxUUeeUMPvWwvN2NCsaDcGhBI/dTgX2HNQYswerHrVkwN; Received: from [122.129.203.50] (port=31207 helo=X220.ovitrap.com) by sl-508-2.slc.westdc.net with esmtpsa (SSLv3:DHE-RSA-AES128-SHA:128) (Exim 4.80) (envelope-from ) id 1TsQIt-00276I-As; Mon, 07 Jan 2013 20:56:43 -0700 Date: Tue, 8 Jan 2013 10:56:38 +0700 From: Erich Dollansky To: Barney Cordoba Subject: Re: To SMP or not to SMP Message-ID: <20130108105638.7ef9d6c2@X220.ovitrap.com> In-Reply-To: <1357611958.66651.YahooMailClassic@web121603.mail.ne1.yahoo.com> References: <1357611958.66651.YahooMailClassic@web121603.mail.ne1.yahoo.com> X-Mailer: Claws Mail 3.9.0 (GTK+ 2.24.6; amd64-portbld-freebsd10.0) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - sl-508-2.slc.westdc.net X-AntiAbuse: Original Domain - freebsd.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - alogt.com X-Get-Message-Sender-Via: sl-508-2.slc.westdc.net: authenticated_id: erichsfreebsdlist@alogt.com X-Source: X-Source-Args: X-Source-Dir: Cc: freebsd-net@freebsd.org X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 08 Jan 2013 03:56:52 -0000 Hi, On Mon, 7 Jan 2013 18:25:58 -0800 (PST) Barney Cordoba wrote: > I have a situation where I have to run 9.1 on an old single core box. > Does anyone have a handle on whether it's better to build a non SMP > kernel or to just use a standard SMP build with just the one core? > Thanks. I ran a single CPU version of FreeBSD until my last single CPU got hit by a lightning last April or May without any problems. I never saw a reason to include the overhead of SMP for this kind of machine and I also never ran into problems with this. Erich