Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 19 Nov 2001 12:07:34 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 19 Nov 2001 12:07:24 -0500 Received: from e1.ny.us.ibm.com ([32.97.182.101]:28384 "EHLO e1.ny.us.ibm.com") by vger.kernel.org with ESMTP id ; Mon, 19 Nov 2001 12:07:13 -0500 Importance: Normal Subject: Re: [patch] scheduler cache affinity improvement in 2.4 kernels by Ingo Molnar To: "Partha Narayanan" Cc: linux-kernel@vger.kernel.org X-Mailer: Lotus Notes Release 5.0.3 (Intl) 21 March 2000 Message-ID: From: "Shailabh Nagar" Date: Mon, 19 Nov 2001 12:06:52 -0500 X-MIMETrack: Serialize by Router on D01ML233/01/M/IBM(Release 5.0.8 |June 18, 2001) at 11/19/2001 12:06:54 PM 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 Hi Partha, Sorry to see the "shoot-the-messenger" replies to your posting. I've yet to understand why lmbench is relevant in an SMP setting..... Shailabh Nagar Enterprise Linux Group, IBM TJ Watson Research Center (914) 945 2851, T/L 862 2851 Partha Narayanan/Austin/IBM@IBMUS@vger.kernel.org on 11/17/2001 11:58:05 AM Sent by: linux-kernel-owner@vger.kernel.org To: linux-kernel@vger.kernel.org cc: Subject: [patch] scheduler cache affinity improvement in 2.4 kernels by Ingo Molnar Folks, The above patch for scheduler cache affinity improvement in 2.4 kernels by Ingo Molnar was applied to 2.4.14 kernel; a run of Volano LoopBack BenchMark on a Netfinity 8500 R 1MB 700 MHz PIII 1MB-L2 cache and 1GB memory support produced the following results: The UniProcessor throughput was reduced by 40%. The 4-way throughput showed a very slight degradation of 1%. The 8-way throughput showed an improvemnet of 10%. I do not subscribe to lkml and hence please address any future correspondence on this topic to partha@us.ibm.,com. Thanks, Partha - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/