From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sc8-sf-mx2-b.sourceforge.net ([10.3.1.12] helo=sc8-sf-mx2.sourceforge.net) by sc8-sf-list1.sourceforge.net with esmtp (Exim 4.30) id 1BTZMB-0004kj-3Y for user-mode-linux-devel@lists.sourceforge.net; Thu, 27 May 2004 21:52:35 -0700 Received: from ns.theshore.net ([216.156.129.65] helo=www.theshore.net) by sc8-sf-mx2.sourceforge.net with esmtp (Exim 4.30) id 1BTZMA-0005h6-Mw for user-mode-linux-devel@lists.sourceforge.net; Thu, 27 May 2004 21:52:34 -0700 Message-ID: <001001c4446f$c323d2e0$0201a8c0@hawk> From: "Christopher S. Aker" References: <20040229043549.GA8583@ccure.user-mode-linux.org> <02dc01c43c4a$bb7c0490$2000000a@schlepptopp> <1084831251.1230.4.camel@chartreuse> <03ff01c43c5d$7db6e5e0$2000000a@schlepptopp> <20040518175904.GB29114@ccure.user-mode-linux.org> <1084987654.2250.4.camel@chartreuse> <006f01c443b2$29434290$0201a8c0@hawk> <1085646154.1264.6.camel@chartreuse> <003b01c443cc$8349fcb0$0201a8c0@hawk> <1085658646.1256.9.camel@chartreuse> Subject: Re: [uml-devel] [PATCH] host context switch reduction Benchmarks MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Sender: user-mode-linux-devel-admin@lists.sourceforge.net Errors-To: user-mode-linux-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Id: The user-mode Linux development list List-Post: List-Help: List-Subscribe: , List-Archive: Date: Thu, 27 May 2004 23:53:42 -0500 To: Laurent Vivier Cc: uml-devel Using Mysql's "run-all-tests" as a benchmark, the sysemu patches provide about a 33% performance improvement over a "vanilla" UML+skas. w/ sysemu: real 13m57.353s user 2m17.370s sys 3m54.310s w/o sysemu: real 18m38.329s user 2m37.370s sys 6m3.040s Mysql test results here: http://www.theshore.net/~caker/uml/sysemu-benchmarks.txt For a kernel compile, the improvement isn't as drastic -- but compiling spends most of it's time in user-space... w/ sysemu: real 5m15.182s user 4m22.470s sys 0m52.230s w/o sysemu: real 5m28.466s user 4m32.030s sys 0m55.370s Nice stuff, thanks! -Chris ------------------------------------------------------- This SF.Net email is sponsored by: Oracle 10g Get certified on the hottest thing ever to hit the market... Oracle 10g. Take an Oracle 10g class now, and we'll give you the exam FREE. http://ads.osdn.com/?ad_id=3149&alloc_id=8166&op=click _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel