From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail143.messagelabs.com (mail143.messagelabs.com [216.82.254.35]) by kanga.kvack.org (Postfix) with ESMTP id D96456B00BF for ; Mon, 16 Feb 2009 14:44:04 -0500 (EST) Date: Mon, 16 Feb 2009 19:44:01 +0000 From: Mel Gorman Subject: Re: [patch] SLQB slab allocator (try 2) Message-ID: <20090216194401.GC31264@csn.ul.ie> References: <20090123154653.GA14517@wotan.suse.de> <200902041748.41801.nickpiggin@yahoo.com.au> <20090204152709.GA4799@csn.ul.ie> <200902051459.30064.nickpiggin@yahoo.com.au> <20090216184200.GA31264@csn.ul.ie> <84144f020902161125r59de8a53nfe01566d20ff1658@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Disposition: inline In-Reply-To: <84144f020902161125r59de8a53nfe01566d20ff1658@mail.gmail.com> Sender: owner-linux-mm@kvack.org To: Pekka Enberg Cc: Nick Piggin , Nick Piggin , Linux Memory Management List , Linux Kernel Mailing List , Andrew Morton , Lin Ming , "Zhang, Yanmin" , Christoph Lameter List-ID: On Mon, Feb 16, 2009 at 09:25:35PM +0200, Pekka Enberg wrote: > Hi Mel, > > On Mon, Feb 16, 2009 at 8:42 PM, Mel Gorman wrote: > > Slightly later than hoped for, but here are the results of the profile > > run between the different slab allocators. It also includes information on > > the performance on SLUB with the allocator pass-thru logic reverted by commit > > http://git.kernel.org/?p=linux/kernel/git/penberg/slab-2.6.git;a=commitdiff;h=97a4871761e735b6f1acd3bc7c3bac30dae3eab9 > > Did you just cherry-pick the patch or did you run it with the > topic/slub/perf branch? Cherry picked to minimise the number of factors involved. > There's a follow-up patch from Yanmin which > will make a difference for large allocations when page-allocator > pass-through is reverted: > > http://git.kernel.org/?p=linux/kernel/git/penberg/slab-2.6.git;a=commitdiff;h=79b350ab63458ef1d11747b4f119baea96771a6e > Is this expected to make a difference to workloads that are not that allocator intensive? I doubt it'll make much different to speccpu but conceivably it makes a difference to sysbench. -- Mel Gorman Part-time Phd Student Linux Technology Center University of Limerick IBM Dublin Software Lab -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org