From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on yquem.inria.fr X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=AWL autolearn=disabled version=3.1.3 Received: from mail2-relais-roc.national.inria.fr (mail2-relais-roc.national.inria.fr [192.134.164.83]) by yquem.inria.fr (Postfix) with ESMTP id 88806BC69 for ; Mon, 12 Nov 2007 01:33:38 +0100 (CET) X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AgAAAJgtN0fAbSoIh2dsb2JhbACPBgEBAQgKKQ X-IronPort-AV: E=Sophos;i="4.21,402,1188770400"; d="scan'208";a="4124404" Received: from einhorn.in-berlin.de ([192.109.42.8]) by mail2-smtp-roc.national.inria.fr with ESMTP; 12 Nov 2007 01:33:38 +0100 X-Envelope-From: oliver@first.in-berlin.de X-Envelope-To: Received: from einhorn.in-berlin.de (localhost [127.0.0.1]) by einhorn.in-berlin.de (8.13.6/8.13.6/Debian-1) with ESMTP id lAC0XbCA021846 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT) for ; Mon, 12 Nov 2007 01:33:37 +0100 Received: (from www-data@localhost) by einhorn.in-berlin.de (8.13.6/8.13.6/Submit) id lAC0XboW021843 for caml-list@yquem.inria.fr; Mon, 12 Nov 2007 01:33:37 +0100 X-Authentication-Warning: einhorn.in-berlin.de: www-data set sender to oliver@first.in-berlin.de using -f Received: from dslb-088-073-093-214.pools.arcor-ip.net (dslb-088-073-093-214.pools.arcor-ip.net [88.73.93.214]) by webmail.in-berlin.de (IMP) with HTTP for ; Mon, 12 Nov 2007 01:33:36 +0100 Message-ID: <1194827616.47379f60f3320@webmail.in-berlin.de> Date: Mon, 12 Nov 2007 01:33:36 +0100 From: Oliver Bandel To: caml-list@yquem.inria.fr Subject: Re: [Caml-list] Why 'Graphics.wait_next_event' doesn't reply anymore ? References: <20071110230145.3aebafe4@localhost.localdomain> <20071111150720.4f8d1c44@localhost.localdomain> <1194799714.473732620f33e@webmail.in-berlin.de> <20071111183530.GA19575@localhost> In-Reply-To: <20071111183530.GA19575@localhost> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit User-Agent: Internet Messaging Program (IMP) 3.2.6 X-Scanned-By: MIMEDefang_at_IN-Berlin_e.V. on 192.109.42.8 X-Spam: no; 0.00; bandel:01 in-berlin:01 0100,:01 bandel:01 scheduler:01 threads:01 wrote:01 oliver:01 oliver:01 caml-list:01 ugly:04 thread:06 thread:06 looks:08 i'm:09 Zitat von Julien Moutinho : > On Sun, Nov 11, 2007 at 05:48:34PM +0100, Oliver Bandel wrote: > > [...] > > This code looks ugly. > I've just noticed the id := Some (Thread.create run ()) > coupled with the [while !id <> None do] in run: [...] I didn't saw this code in the program that I'm talking about :-) [...] > > > Why? > > [...] > > It forces calls to the scheduler all too often. > > And it does it at three places. And in the print-loop > > it clals it every time! > Are you sure? Yes! And the loop in the main-thread, that does nothing else but calling Thread.yield is even worse! Two busy threads running wild against one most-of-the-time sleeping thread... ...and always these Thread.yield-calls, that only add unnecessary business... Ciao, Oliver