From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753713AbaBTNH2 (ORCPT ); Thu, 20 Feb 2014 08:07:28 -0500 Received: from mga01.intel.com ([192.55.52.88]:16093 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753019AbaBTNH1 (ORCPT ); Thu, 20 Feb 2014 08:07:27 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.97,512,1389772800"; d="scan'208";a="478438201" Date: Thu, 20 Feb 2014 21:06:46 +0800 From: Fengguang Wu To: Maarten Lankhorst Cc: LKML , lkp@01.org Subject: [x86] 339a3922f6: +4.3% aim7 jobs-per-min Message-ID: <20140220130646.GA22815@localhost> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Maarten, We are glad to find that your commit 339a3922f68dcb7d93001f07b7e914d5cf6c066d ("decrease useless padding") increased aim disk_src performance by 4.3%: 74833276be6802b 339a3922f68dcb7d93001f07b --------------- ------------------------- 511685 ~ 0% +4.3% 533571 ~ 0% TOTAL aim7.2000.jobs-per-min 77.30 ~ 0% -9.9% 69.66 ~ 0% TOTAL time.system_time 1.95 ~ 2% +7.0% 2.09 ~ 2% TOTAL iostat.sda.rrqm/s 23.57 ~ 0% -4.1% 22.60 ~ 0% TOTAL time.elapsed_time 425 ~ 0% -3.1% 412 ~ 0% TOTAL time.percent_of_cpu_this_job_got 7.59 ~ 0% -2.9% 7.37 ~ 0% TOTAL boottime.dhcp 15.24 ~ 0% -1.9% 14.94 ~ 0% TOTAL boottime.boot time.system_time 82 ++--------------------------------------------------------------------+ | | 80 ++ ..*.. | | .*.. .*. .*.. | 78 ++.*..*..*..*..*..*. *.. .*. *..*. *..*.. .*..* | *. *. *..*..*. | 76 ++ | | | 74 ++ | | | 72 ++ | | | 70 O+ O O O O O O O O O O O O O O O O O O | | O O O O 68 ++-------------------------O------------------------------------------+ time.elapsed_time 24 ++------------------------------------------------------------------+ | *.. | 23.8 ++ + *.. | *..*.. .*.. .*..*..*.. .*..* *..*..*..*.. .*.. | 23.6 ++ *. *..*. *. *..*..*. * | 23.4 ++ | | | 23.2 ++ | | | 23 ++ | | | 22.8 ++ O O O O O | 22.6 O+ O O O O O O O O O O O O O O O O O | O | 22.4 ++------------------------------------------------------------------+ aim7.2000.jobs-per-min 540000 ++----------------------------------------------------------------+ | | 535000 O+ O O O O O O O O O O O O O | 530000 ++ O O O O O O O O O O | | 525000 ++ | | | 520000 ++ | | | 515000 ++ .*. | 510000 *+.*..*..*.*..*..*..*..*..*.. .*. *.. .* | | *..*. .*..*..*..*. *. | 505000 ++ *..*. | | | 500000 ++----------------------------------------------------------------+