From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from hosting.substring.ch (hosting.substring.ch [80.242.134.171]) (using TLSv1 with cipher EDH-RSA-DES-CBC3-SHA (168/168 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTP id 7C6E967B34 for ; Tue, 20 Jun 2006 23:27:55 +1000 (EST) Message-ID: <4497F7D4.7080603@tonarchiv.ch> Date: Tue, 20 Jun 2006 15:27:48 +0200 From: Till Wimmer MIME-Version: 1.0 To: Olof Johansson Subject: Re: L3 cache on Apple dual processor (7450 r 2.1) question References: <1150726624.4711.16.camel@localhost.localdomain> <20060619143607.GB4845@pb15.lixom.net> In-Reply-To: <20060619143607.GB4845@pb15.lixom.net> Content-Type: text/plain; charset=us-ascii; format=flowed Cc: linuxppc-dev@ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Olof Johansson wrote: >On Mon, Jun 19, 2006 at 04:17:04PM +0200, Till Wimmer wrote: > > > >>Now my questions are: >>Is there anything else to do for getting the L3 cache working? >>How can i check if the L3 is enabled? E.g. is there a benchmark program >>which accounts for cache settings? >> >> > >lmbench has testcases for memory latency testing. > > Thank you for the hint, i tested it and the results are deflating: Most values are the same, but the communication bandwidths are worse with the L3 cache enabled? Therefore i think that my L3CR settings are wrong. bg Till -- ******************************************************** * "Deutschland vor!" - Die WM Gegenhymne * * http://www.zittrige-haende.com/download/antiwm.mp3 * ********************************************************