Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Tue, 31 Oct 2000 15:22:23 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 31 Oct 2000 15:22:13 -0500 Received: from chiara.elte.hu ([157.181.150.200]:40711 "HELO chiara.elte.hu") by vger.kernel.org with SMTP id ; Tue, 31 Oct 2000 15:21:38 -0500 Date: Tue, 31 Oct 2000 22:31:35 +0100 (CET) From: Ingo Molnar Reply-To: mingo@elte.hu To: "Jeff V. Merkey" Cc: Pavel Machek , "Jeff V. Merkey" , linux-kernel@vger.kernel.org Subject: Re: 2.2.18Pre Lan Performance Rocks! In-Reply-To: <39FF27F9.8DE77CFA@timpanogas.org> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 31 Oct 2000, Jeff V. Merkey wrote: > It relies on an anomoly in the design of Intel's cache controllers, > and with memory based applications, I can get 120% scaling per > procesoor by jugling the working set of executable code cached accros > each processor. There's sample code with this kernel you can use to > verify.... FYI, this is a very old concept and a scalability FAQ item. It's called "sublinear scaling", and SGI folks have already published articles about it 10 years ago. Ingo - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/