Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753362AbdGGBzW (ORCPT ); Thu, 6 Jul 2017 21:55:22 -0400 Received: from mail-pg0-f67.google.com ([74.125.83.67]:33766 "EHLO mail-pg0-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753203AbdGGBzU (ORCPT ); Thu, 6 Jul 2017 21:55:20 -0400 Message-ID: <1499392447.23251.1.camel@gmail.com> Subject: Re: [RFC v5 00/11] Speculative page faults From: Balbir Singh To: Laurent Dufour , paulmck@linux.vnet.ibm.com, peterz@infradead.org, akpm@linux-foundation.org, kirill@shutemov.name, ak@linux.intel.com, mhocko@kernel.org, dave@stgolabs.net, jack@suse.cz, Matthew Wilcox Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, haren@linux.vnet.ibm.com, khandual@linux.vnet.ibm.com, npiggin@gmail.com, Tim Chen Date: Fri, 07 Jul 2017 11:54:07 +1000 In-Reply-To: References: <1497635555-25679-1-git-send-email-ldufour@linux.vnet.ibm.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.22.6-1ubuntu1 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 738 Lines: 23 On Mon, 2017-07-03 at 19:32 +0200, Laurent Dufour wrote: > The test is counting the number of records per second it can manage, the > higher is the best. I run it like this 'ebizzy -mTRp'. To get consistent > result I repeat the test 100 times and measure the average result, mean > deviation and max. I run the test on top of 4.12 on 2 nodes, one with 80 > CPUs, and the other one with 1024 CPUs: > > * 80 CPUs Power 8 node: > Records/s 4.12 4.12-SPF > Average 38941,62 64235,82 > Mean deviation 620,93 1718,95 > Max 41988 69623 > > * 1024 CPUs Power 8 node: > Records/s 4.12 4.12-SPF > Average 39516,64 80689,27 > Mean deviation 1387,66 1319,98 > Max 43281 90441 > This seems like a very interesting result Balbir Singh.