Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752988Ab2JMJvf (ORCPT ); Sat, 13 Oct 2012 05:51:35 -0400 Received: from mail-pa0-f46.google.com ([209.85.220.46]:44952 "EHLO mail-pa0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750975Ab2JMJvd (ORCPT ); Sat, 13 Oct 2012 05:51:33 -0400 Date: Sat, 13 Oct 2012 02:51:31 -0700 (PDT) From: David Rientjes X-X-Sender: rientjes@chino.kir.corp.google.com To: Andi Kleen cc: Ezequiel Garcia , Linux Kernel Mailing List , linux-mm@kvack.org, Tim Bird , celinux-dev@lists.celinuxforum.org Subject: Re: [Q] Default SLAB allocator In-Reply-To: Message-ID: References: User-Agent: Alpine 2.00 (DEB 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 766 Lines: 17 On Thu, 11 Oct 2012, Andi Kleen wrote: > When did you last test? Our regressions had disappeared a few kernels > ago. > This was in August when preparing for LinuxCon, I tested netperf TCP_RR on two 64GB machines (one client, one server), four nodes each, with thread counts in multiples of the number of cores. SLUB does a comparable job, but once we have the the number of threads equal to three times the number of cores, it degrades almost linearly. I'll run it again next week and get some numbers on 3.6. -- 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/