From owner-freebsd-chat@FreeBSD.ORG Thu Mar 11 07:35:11 2004 Return-Path: Delivered-To: freebsd-chat@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 548B916A4D0 for ; Thu, 11 Mar 2004 07:35:11 -0800 (PST) Received: from mail19a.dulles19-verio.com (mail19a.dulles19-verio.com [198.170.241.2]) by mx1.FreeBSD.org (Postfix) with SMTP id D282D43D46 for ; Thu, 11 Mar 2004 07:35:10 -0800 (PST) (envelope-from rob@pythonemproject.com) Received: from www.pythonemproject.com (198.104.176.109)3-0948229308 for ; Thu, 11 Mar 2004 10:35:09 -0500 (EST) Message-ID: <4050872D.90503@pythonemproject.com> Date: Thu, 11 Mar 2004 07:35:09 -0800 From: Rob User-Agent: Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:1.6) Gecko/20040217 X-Accept-Language: en-us, en MIME-Version: 1.0 References: <404FAC50.6070603@pythonemproject.com> <200403111155.39591.doconnor@gsoft.com.au> In-Reply-To: <200403111155.39591.doconnor@gsoft.com.au> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit To: chat@freebsd.org X-Loop-Detect: 1 cc: chat@freebsd.org Subject: Re: What makes Centrino so fast? X-BeenThere: freebsd-chat@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Non technical items related to the community List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 11 Mar 2004 15:35:11 -0000 Daniel O'Connor wrote: > On Thu, 11 Mar 2004 10:31, Rob wrote: > >>I have my own benchmark program that I use for number crunching. >>It uses a mixture of Python and Numeric Python. >> >>Athlon 2166Mhz as reported by OS: 2m38.7s >>Intel Centrino Pentium 1700 Mhz: 2m17s >> >>Is it just compiler optimization at play? > > > Here's an interesting article on it -> > http://arstechnica.com/cpu/004/pentium-m/pentium-m-1.html > > but in short.. better branch prediction, and micro-architecture improvments in > general, and a slightly longer pipeline (for higher clocks vs a PIII) > Great article Dan! Thanks for the pointer. Rob.