Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263193AbUCYPQb (ORCPT ); Thu, 25 Mar 2004 10:16:31 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263197AbUCYPQb (ORCPT ); Thu, 25 Mar 2004 10:16:31 -0500 Received: from fmr06.intel.com ([134.134.136.7]:54748 "EHLO caduceus.jf.intel.com") by vger.kernel.org with ESMTP id S263196AbUCYPQ2 convert rfc822-to-8bit (ORCPT ); Thu, 25 Mar 2004 10:16:28 -0500 Content-Class: urn:content-classes:message MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT X-MimeOLE: Produced By Microsoft Exchange V6.0.6487.1 Subject: RE: [Lse-tech] [patch] sched-domain cleanups, sched-2.6.5-rc2-mm2-A3 Date: Thu, 25 Mar 2004 07:15:15 -0800 Message-ID: <7F740D512C7C1046AB53446D3720017301119907@scsmsx402.sc.intel.com> X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: [Lse-tech] [patch] sched-domain cleanups, sched-2.6.5-rc2-mm2-A3 Thread-Index: AcQSRuLJRmOAInKpT2GffMxlCepNxAAM6y/g From: "Nakajima, Jun" To: "Andi Kleen" , "Ingo Molnar" Cc: , , , , , , , , X-OriginalArrivalTime: 25 Mar 2004 15:15:16.0012 (UTC) FILETIME=[FA236EC0:01C4127B] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1207 Lines: 35 We have found some performance regressions (e.g. SPECjbb) with the scheduler on a large IA-64 NUMA machine, and we are debugging it. On SMP machines, we haven't seen performance regressions. Jun >-----Original Message----- >From: Andi Kleen [mailto:ak@suse.de] >Sent: Wednesday, March 24, 2004 8:56 PM >To: Ingo Molnar >Cc: piggin@cyberone.com.au; linux-kernel@vger.kernel.org; akpm@osdl.org; >kernel@kolivas.org; rusty@rustcorp.com.au; Nakajima, Jun; >ricklind@us.ibm.com; anton@samba.org; lse-tech@lists.sourceforge.net; >mbligh@aracnet.com >Subject: Re: [Lse-tech] [patch] sched-domain cleanups, sched-2.6.5-rc2-mm2- >A3 > >On Thu, 25 Mar 2004 09:28:09 +0100 >Ingo Molnar wrote: > >> i've reviewed the sched-domains balancing patches for upstream inclusion >> and they look mostly fine. > >The main problem it has is that it performs quite badly on Opteron NUMA >e.g. in the OpenMP STREAM test (much worse than the normal scheduler) > >-Andi - 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/