Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1423710AbXEEBCe (ORCPT ); Fri, 4 May 2007 21:02:34 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1423712AbXEEBCe (ORCPT ); Fri, 4 May 2007 21:02:34 -0400 Received: from netops-testserver-3-out.sgi.com ([192.48.171.28]:52215 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1423710AbXEEBCd (ORCPT ); Fri, 4 May 2007 21:02:33 -0400 Date: Fri, 4 May 2007 18:02:32 -0700 (PDT) From: Christoph Lameter X-X-Sender: clameter@schroedinger.engr.sgi.com To: Tim Chen cc: "Chen, Tim C" , "Siddha, Suresh B" , "Zhang, Yanmin" , "Wang, Peter Xihong" , Arjan van de Ven , linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: RE: Regression with SLUB on Netperf and Volanomark In-Reply-To: <1178322083.23795.217.camel@localhost.localdomain> Message-ID: References: <9D2C22909C6E774EBFB8B5583AE5291C02786032@fmsmsx414.amr.corp.intel.com> <1178322083.23795.217.camel@localhost.localdomain> 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 Content-Length: 740 Lines: 18 On Fri, 4 May 2007, Tim Chen wrote: > On Thu, 2007-05-03 at 18:45 -0700, Christoph Lameter wrote: > > Hmmmm.. One potential issues are the complicated way the slab is > > handled. Could you try this patch and see what impact it has? > > > The patch boost the throughput of TCP_STREAM test by 5%, for both slab > and slub. But slab is still 5% better in my tests. Really? buffer head handling improves TCP performance? I think you have run to run variances. I need to look at this myself. - 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/