From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from zombie.ncsc.mil (zombie.ncsc.mil [144.51.88.131]) by tycho.ncsc.mil (8.12.8/8.12.8) with ESMTP id i7P9pwrT004102 for ; Wed, 25 Aug 2004 05:51:58 -0400 (EDT) Message-ID: <024c01c48a89$283dd4f0$f97d220a@linux.bs1.fc.nec.co.jp> From: "Kaigai Kohei" To: "James Morris" Cc: "Stephen Smalley" , "SELinux-ML(Eng)" , "Linux Kernel ML(Eng)" References: Subject: Re: RCU issue with SELinux (Re: SELINUX performance issues) Date: Wed, 25 Aug 2004 18:51:56 +0900 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-2022-jp" Sender: owner-selinux@tycho.nsa.gov List-Id: selinux@tycho.nsa.gov Hi James, thanks for your comment. > > o dbench [ 4 processes run parallely on 4-CPUs / 10 times trials ] > > ---- mean ---- - STD - > > 2.6.8.1(disable) 860.249 [MB/s] 44.683 > > 2.6.8.1(enable) 714.254 [MB/s] 32.359 > > 2.6.8.1(+rwlock) 767.904 [MB/s] 27.968 > > 2.6.8.1(+RCU) 830.678 [MB/s] 16.352 > > Can you show the figures for 1 and 2 clients? The results are as follows: o dbench [ 1/2/4 processes run parallely on 4-CPUs / 10 times trials ] - Average[MB/s] - -1proc- -2procs- -4procs- 2.6.8.1(disable) 247.43 473.11 891.51 2.6.8.1(enable) 218.99 434.97 761.06 2.6.8.1(+rwlock) 225.18 432.80 802.62 2.6.8.1(+RCU) 231.84 444.30 820.00 -------------------------------------------- (*) 2.6.8.1(+RCU) is applied the take3-patch. By the way, the results of dbench are sharply changed at every measurement. I don't think it is statistically-significant. -------- Kai Gai -- This message was distributed to subscribers of the selinux mailing list. If you no longer wish to subscribe, send mail to majordomo@tycho.nsa.gov with the words "unsubscribe selinux" without quotes as the message. From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266485AbUHYJyM (ORCPT ); Wed, 25 Aug 2004 05:54:12 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265196AbUHYJxD (ORCPT ); Wed, 25 Aug 2004 05:53:03 -0400 Received: from TYO206.gate.nec.co.jp ([202.32.8.206]:38118 "EHLO tyo206.gate.nec.co.jp") by vger.kernel.org with ESMTP id S266003AbUHYJwG (ORCPT ); Wed, 25 Aug 2004 05:52:06 -0400 Message-ID: <024c01c48a89$283dd4f0$f97d220a@linux.bs1.fc.nec.co.jp> From: "Kaigai Kohei" To: "James Morris" Cc: "Stephen Smalley" , "SELinux-ML(Eng)" , "Linux Kernel ML(Eng)" References: Subject: Re: RCU issue with SELinux (Re: SELINUX performance issues) Date: Wed, 25 Aug 2004 18:51:56 +0900 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-2022-jp" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1409 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1409 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi James, thanks for your comment. > > o dbench [ 4 processes run parallely on 4-CPUs / 10 times trials ] > > ---- mean ---- - STD - > > 2.6.8.1(disable) 860.249 [MB/s] 44.683 > > 2.6.8.1(enable) 714.254 [MB/s] 32.359 > > 2.6.8.1(+rwlock) 767.904 [MB/s] 27.968 > > 2.6.8.1(+RCU) 830.678 [MB/s] 16.352 > > Can you show the figures for 1 and 2 clients? The results are as follows: o dbench [ 1/2/4 processes run parallely on 4-CPUs / 10 times trials ] - Average[MB/s] - -1proc- -2procs- -4procs- 2.6.8.1(disable) 247.43 473.11 891.51 2.6.8.1(enable) 218.99 434.97 761.06 2.6.8.1(+rwlock) 225.18 432.80 802.62 2.6.8.1(+RCU) 231.84 444.30 820.00 -------------------------------------------- (*) 2.6.8.1(+RCU) is applied the take3-patch. By the way, the results of dbench are sharply changed at every measurement. I don't think it is statistically-significant. -------- Kai Gai