From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx137.postini.com [74.125.245.137]) by kanga.kvack.org (Postfix) with SMTP id 315646B005A for ; Thu, 28 Jun 2012 23:19:49 -0400 (EDT) Message-ID: <4FED1E4E.7000403@intel.com> Date: Fri, 29 Jun 2012 11:17:34 +0800 From: Alex Shi MIME-Version: 1.0 Subject: Re: [RFC] Common code 00/12] Sl[auo]b: Common functionality V2 References: <20120518161906.207356777@linux.com> <4FD55734.60104@intel.com> In-Reply-To: <4FD55734.60104@intel.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Christoph Lameter Cc: Pekka Enberg , linux-mm@kvack.org, David Rientjes , Matt Mackall , Glauber Costa , Joonsoo Kim On 06/11/2012 10:25 AM, Alex Shi wrote: > On 05/19/2012 12:19 AM, Christoph Lameter wrote: > >> V1->V2: >> - Incorporate glommers feedback. >> - Add 2 more patches dealing with common code in kmem_cache_destroy > > > I tested the patchset on 3.4 kernel with hackbench process/thread: > $hackbench 100 process/thread 2000 > > on Romely EP machine. 32 LCPUs, with 64GB memory > hackbench process slub 0% > hackbench thread slub 0% > hackbench process slab -6.0% > hackbench thread slab -0.5% > > on NHM EP machine, 16 cpus, with 12GB memory > hackbench process slub -1.0% > hackbench thread slub -1.5% > hackbench process slab +1.0% > hackbench thread slab +1.0% > hackbench process slob 0% > hackbench thread slob 0% > > on 4 sockets Quad-core Xeon, 16 cpus, with 16 GB memory > hackbench process slub 0% > hackbench thread slub 0% > hackbench process slab -0.5% > hackbench thread slab -0.5% > hackbench process slob 0% > hackbench thread slob 0% > > > On netperf loopback, 2048 threads testing. In general, compare tcp/udp > results, no clear performance change on above three machines. Generally, I think the patchset is qualified for LKP. :) -- 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