From mboxrd@z Thu Jan 1 00:00:00 1970 Received: (from majordomo@localhost) by pauillac.inria.fr (8.7.6/8.7.3) id NAA28061; Fri, 14 Nov 2003 13:23:53 +0100 (MET) X-Authentication-Warning: pauillac.inria.fr: majordomo set sender to owner-caml-list@pauillac.inria.fr using -f Received: from concorde.inria.fr (concorde.inria.fr [192.93.2.39]) by pauillac.inria.fr (8.7.6/8.7.3) with ESMTP id NAA28220 for ; Fri, 14 Nov 2003 13:23:51 +0100 (MET) Received: from oxy.exomi.com (ua199d87hel.dial.kolumbus.fi [212.54.23.199]) by concorde.inria.fr (8.11.1/8.11.1) with ESMTP id hAECNo120877 for ; Fri, 14 Nov 2003 13:23:50 +0100 (MET) Received: by oxy.exomi.com (Postfix, from userid 501) id E8F9FAE43A; Fri, 14 Nov 2003 14:23:49 +0200 (EET) Date: Fri, 14 Nov 2003 14:23:49 +0200 From: Ville-Pertti Keinonen To: Brian Hurt Cc: Daniel =?iso-8859-1?Q?B=FCnzli?= , Ocaml Mailing List Subject: Re: [Caml-list] Profiling a function execution Message-ID: <20031114122349.GA676@exomi.com> Mail-Followup-To: Brian Hurt , Daniel =?iso-8859-1?Q?B=FCnzli?= , Ocaml Mailing List References: <81F621FD-1629-11D8-A1E1-000393DBC266@epfl.ch> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.1i X-Loop: caml-list@inria.fr X-Spam: no; 0.00; caml-list:01 0600,:01 milliseconds:01 varies:01 interfaces:01 nov:01 wrote:03 brian:06 thu:08 function:09 precision:09 100:89 computers:89 usually:11 usually:11 Sender: owner-caml-list@pauillac.inria.fr Precedence: bulk On Thu, Nov 13, 2003 at 05:53:01PM -0600, Brian Hurt wrote: > Clocks on computers have a 10ms quantiziation- i.e., they measure > everything as multiples of 10 milliseconds. All measurements are accurate No they don't, hardware timers usually run at at more than a MHz. Most operating systems provide interfaces with limited precision (this usually varies between 100 and 1000 Hz), but on systems that actually read the clock and don't just count interrupts, getrusage is much more accurate than times. ------------------- To unsubscribe, mail caml-list-request@inria.fr Archives: http://caml.inria.fr Bug reports: http://caml.inria.fr/bin/caml-bugs FAQ: http://caml.inria.fr/FAQ/ Beginner's list: http://groups.yahoo.com/group/ocaml_beginners