From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 21 Nov 2002 08:17:41 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 21 Nov 2002 08:17:41 -0500 Received: from noodles.codemonkey.org.uk ([213.152.47.19]:12690 "EHLO noodles.internal") by vger.kernel.org with ESMTP id ; Thu, 21 Nov 2002 08:17:40 -0500 Date: Thu, 21 Nov 2002 13:23:02 +0000 From: Dave Jones To: Andi Kleen Cc: Margit Schubert-While , linux-kernel@vger.kernel.org Subject: Re: L1_CACHE_SHIFT value for P4 ? Message-ID: <20021121132302.GD9883@suse.de> Mail-Followup-To: Dave Jones , Andi Kleen , Margit Schubert-While , linux-kernel@vger.kernel.org References: <4.3.2.7.2.20021121130236.00b15370@mail.dns-host.com.suse.lists.linux.kernel> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Nov 21, 2002 at 02:10:02PM +0100, Andi Kleen wrote: > The P4 has 128byte L2 cache lines (2^7). The L1 apparently has smaller lines. Not mine: L2 unified cache: Size: 512KB Sectored, 8-way associative. line size=64 bytes. Someone (Manfred?) pointed out a chapter in the P4 system programmer guide about this last time I brought it up. I forget the reasoning, I'll see if I can dig it out.. Dave -- | Dave Jones. http://www.codemonkey.org.uk | SuSE Labs