From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <69f0ed122149a92a1496f346e75bf51c@terzarima.net> From: Charles Forsyth Date: Mon, 2 Apr 2007 10:38:21 +0100 To: 9fans@cse.psu.edu Subject: Re: [9fans] slow performance In-Reply-To: <20070402093109.GD11896@suckless.org> MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="upas-wftmzpgyahqoqlbtsszeotwdhu" Topicbox-Message-UUID: 3c0d1c92-ead2-11e9-9d60-3106f5b1d025 This is a multi-part message in MIME format. --upas-wftmzpgyahqoqlbtsszeotwdhu Content-Disposition: inline Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit i think you're a few messages behind on this one... --upas-wftmzpgyahqoqlbtsszeotwdhu Content-Type: message/rfc822 Content-Disposition: inline Received: from mail.cse.psu.edu ([130.203.4.6]) by lavoro; Mon Apr 2 10:32:00 BST 2007 Received: from psuvax1.cse.psu.edu (localhost [127.0.0.1]) by mail.cse.psu.edu (CSE Mail Server) with ESMTP id 519E2C703A for ; Mon, 2 Apr 2007 05:31:44 -0400 (EDT) X-Original-To: 9fans@cse.psu.edu Delivered-To: 9fans@cse.psu.edu Received: from localhost (localhost [127.0.0.1]) by mail.cse.psu.edu (CSE Mail Server) with ESMTP id 446EBC6D5D for <9fans@cse.psu.edu>; Mon, 2 Apr 2007 05:31:11 -0400 (EDT) Received: from mail.cse.psu.edu ([127.0.0.1]) by localhost (psuvax1 [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 26669-01-23 for <9fans@cse.psu.edu>; Mon, 2 Apr 2007 05:31:10 -0400 (EDT) Received: from suckless.org (suckless.org [81.169.167.196]) by mail.cse.psu.edu (CSE Mail Server) with ESMTP id 4F67DC6CD1 for <9fans@cse.psu.edu>; Mon, 2 Apr 2007 05:31:10 -0400 (EDT) Received: from arg by suckless.org with local (Exim 4.50) id 1HYIsX-0002Xe-1X for 9fans@cse.psu.edu; Mon, 02 Apr 2007 11:31:09 +0200 Date: Mon, 2 Apr 2007 11:31:09 +0200 From: "Anselm R. Garbe" To: Fans of the OS Plan 9 from Bell Labs <9fans@cse.psu.edu> Subject: Re: [9fans] slow performance Message-ID: <20070402093109.GD11896@suckless.org> References: <1175358184.387149.12600@p15g2000hsd.googlegroups.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1175358184.387149.12600@p15g2000hsd.googlegroups.com> User-Agent: Mutt/1.5.9i X-Virus-Scanned: by amavisd-new at cse.psu.edu X-BeenThere: 9fans@cse.psu.edu X-Mailman-Version: 2.1.5 Precedence: list Reply-To: Fans of the OS Plan 9 from Bell Labs <9fans@cse.psu.edu> List-Id: Fans of the OS Plan 9 from Bell Labs <9fans.cse.psu.edu> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: 9fans-bounces+forsyth=terzarima.net@cse.psu.edu Errors-To: 9fans-bounces+forsyth=terzarima.net@cse.psu.edu On Mon, Apr 02, 2007 at 09:14:45AM +0000, phao wrote: > Well, i dont know if this is a plan9 question it self, but i've writen > a program using a data structure and the program spend about 30 secs > to finish the task. I've compiled the same program under another > operating system, (running in the same computer) and the program > finish the task with 3 secs. > > anyone knows what can it be? If you want a serious answer then show us the source code of this particular program and tell us which compilers and exact OS you have used and how you measured the performance (I guess using time(1)?). Also some words about the hardware in use might be interesting. Regards, -- Anselm R. Garbe >< http://www.suckless.org/ >< GPG key: 0D73F361 --upas-wftmzpgyahqoqlbtsszeotwdhu--