Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1765840AbZAOOrj (ORCPT ); Thu, 15 Jan 2009 09:47:39 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1765366AbZAOOq7 (ORCPT ); Thu, 15 Jan 2009 09:46:59 -0500 Received: from courier.cs.helsinki.fi ([128.214.9.1]:50368 "EHLO mail.cs.helsinki.fi" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1762919AbZAOOq5 (ORCPT ); Thu, 15 Jan 2009 09:46:57 -0500 Message-ID: <496F4B63.6070609@cs.helsinki.fi> Date: Thu, 15 Jan 2009 16:42:43 +0200 From: Pekka Enberg User-Agent: Thunderbird 2.0.0.19 (Macintosh/20081209) MIME-Version: 1.0 To: Matthew Wilcox CC: Nick Piggin , Andrew Morton , "Wilcox, Matthew R" , chinang.ma@intel.com, linux-kernel@vger.kernel.org, sharad.c.tripathi@intel.com, arjan@linux.intel.com, andi.kleen@intel.com, suresh.b.siddha@intel.com, harita.chilukuri@intel.com, douglas.w.styner@intel.com, peter.xihong.wang@intel.com, hubert.nueckel@intel.com, chris.mason@oracle.com, srostedt@redhat.com, linux-scsi@vger.kernel.org, Andrew Vasquez , Anirban Chakraborty Subject: Re: Mainline kernel OLTP performance update References: <20090115012147.GW29283@parisc-linux.org> <20090114180431.f4a96543.akpm@linux-foundation.org> <200901151824.38658.nickpiggin@yahoo.com.au> <84144f020901150146x72402ec4p7636d583cfd55b3e@mail.gmail.com> <20090115135236.GB29283@parisc-linux.org> In-Reply-To: <20090115135236.GB29283@parisc-linux.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1018 Lines: 26 Matthew Wilcox wrote: > On Thu, Jan 15, 2009 at 11:46:09AM +0200, Pekka Enberg wrote: >> It would also be nice if someone could do the performance analysis on >> the SLUB bug. I ran sysbench in oltp mode here and the results look >> like this: >> >> [ number of transactions per second from 10 runs. ] >> >> min max avg sd >> 2.6.29-rc1-slab 833.77 852.32 845.10 4.72 >> 2.6.29-rc1-slub 823.61 851.94 836.74 8.57 >> >> And no, the numbers are not flipped, SLUB beats SLAB here. :( > > Um. More transactions per second is good. Your numbers show SLAB > beating SLUB (even on your dual-CPU system). And SLAB shows a lower > standard deviation, which is also good. *blush* Will do oprofile tomorrow. Thanks Matthew. -- 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/