From owner-freebsd-questions@FreeBSD.ORG Wed Nov 26 14:02:38 2003 Return-Path: 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 DC04916A4D0 for ; Wed, 26 Nov 2003 14:02:38 -0800 (PST) Received: from pursued-with.net (adsl-66-125-9-242.dsl.sndg02.pacbell.net [66.125.9.242]) by mx1.FreeBSD.org (Postfix) with ESMTP id 65E6043FFB for ; Wed, 26 Nov 2003 14:02:33 -0800 (PST) (envelope-from kevin_stevens@pursued-with.net) Received: from [192.168.168.42] (babelfish.pursued-with.net [192.168.168.42]) by pursued-with.net (Postfix) with ESMTP id 627F745050; Wed, 26 Nov 2003 14:02:41 -0800 (PST) In-Reply-To: <200311261658.34693.fbsd-questions@trini0.org> References: <200311261658.34693.fbsd-questions@trini0.org> Mime-Version: 1.0 (Apple Message framework v606) Content-Type: text/plain; charset=US-ASCII; format=flowed Message-Id: <415E761F-205C-11D8-91D9-000A95D7C3C6@pursued-with.net> Content-Transfer-Encoding: 7bit From: Kevin Stevens Date: Wed, 26 Nov 2003 14:02:41 -0800 To: Gerard Samuel X-Mailer: Apple Mail (2.606) cc: freebsd-questions@freebsd.org Subject: Re: Multiple CPU Performance X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 26 Nov 2003 22:02:39 -0000 On Nov 26, 2003, at 13:58, Gerard Samuel wrote: > I was fortunate to acquire a dual Slot one motherboard. > I currently only have one PIII 450 in there, and its working without > any > problems so far. > This box is primarily for www/samba/cvs. > I was wondering if my PHP apps would benefit (run faster) if I > introduced a 2nd CPU. No single program thread will run faster than it would on an unladen single-processor machine. You would gain more in terms of how many threads could run concurrently. In other words: more, not faster. KeS