Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758796AbXIGWLV (ORCPT ); Fri, 7 Sep 2007 18:11:21 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758618AbXIGWLN (ORCPT ); Fri, 7 Sep 2007 18:11:13 -0400 Received: from smtp109.mail.mud.yahoo.com ([209.191.85.219]:39438 "HELO smtp109.mail.mud.yahoo.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1753731AbXIGWLM (ORCPT ); Fri, 7 Sep 2007 18:11:12 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com.au; h=Received:X-YMail-OSG:From:To:Subject:Date:User-Agent:Cc:References:In-Reply-To:MIME-Version:Content-Type:Content-Transfer-Encoding:Content-Disposition:Message-Id; b=Iy5GJMaZ8G5dDbwZlAIrHwN3/IbPT6sTh1PWcmeIIWdasDSXLLG8hptjHV4Sp1TiHSLpA0jrpbeuti70o4jwF40/RrqNqUTnYDigp8h9zjS+yV6gwYllr5fljeTv6ypmMmMi78RGYbicqPNH2P+k2SwDG9jbDzzvjMbii+v7nlQ= ; X-YMail-OSG: C27A.mIVM1mCRBdnwlVao6Nkc7Lzr0LrfAmSUSbEP0EJyJY02jblpRQDRGU5zPqHiCNgyBPXNA-- From: Nick Piggin To: Christoph Lameter , Andrew Morton Subject: Re: tbench regression - Why process scheduler has impact on tbench and why small per-cpu slab (SLUB) cache creates the scenario? Date: Sat, 8 Sep 2007 18:08:42 +1000 User-Agent: KMail/1.9.5 Cc: "Zhang, Yanmin" , LKML , mingo@elte.hu References: <1188953218.26438.34.camel@ymzhang> <1188969725.26438.46.camel@ymzhang> In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200709081808.42421.nickpiggin@yahoo.com.au> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 722 Lines: 18 On Wednesday 05 September 2007 17:07, Christoph Lameter wrote: > On Wed, 5 Sep 2007, Zhang, Yanmin wrote: > > > slub_max_order=3 slub_min_objects=8 > > > > I tried this approach. The testing result showed 2.6.23-rc4 is about > > 2.5% better than 2.6.22. It really resovles the issue. > > Note also that the configuration you tried is the way SLUB is configured > in Andrew's tree. It still doesn't sound like it is competitive with SLAB at the same sizes. What's the problem? - 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/