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=none autolearn=disabled version=3.1.3 X-Original-To: caml-list@yquem.inria.fr Delivered-To: caml-list@yquem.inria.fr Received: from mail3-relais-sop.national.inria.fr (mail3-relais-sop.national.inria.fr [192.134.164.104]) by yquem.inria.fr (Postfix) with ESMTP id 2F5FABBAF for ; Thu, 10 Jul 2008 22:24:13 +0200 (CEST) X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AsgCAP0MdkjU4363emdsb2JhbACBW5BKAQEOIgOfJAE X-IronPort-AV: E=Sophos;i="4.30,340,1212357600"; d="scan'208";a="15007187" Received: from concorde.inria.fr ([192.93.2.39]) by mail3-smtp-sop.national.inria.fr with ESMTP; 10 Jul 2008 22:24:12 +0200 Received: from mail3-relais-sop.national.inria.fr (mail3-relais-sop.national.inria.fr [192.134.164.104]) by concorde.inria.fr (8.13.6/8.13.6) with ESMTP id m6AKOCVu001142 (version=TLSv1/SSLv3 cipher=RC4-SHA bits=128 verify=OK) for ; Thu, 10 Jul 2008 22:24:12 +0200 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AsgCAP0MdkjU4363emdsb2JhbACBW5BKAQEOIgOfJAE X-IronPort-AV: E=Sophos;i="4.30,340,1212357600"; d="scan'208";a="15007186" Received: from moutng.kundenserver.de ([212.227.126.183]) by mail3-smtp-sop.national.inria.fr with ESMTP; 10 Jul 2008 22:24:12 +0200 Received: from gate.lan.gerd-stolpmann.de (dslb-088-068-196-079.pools.arcor-ip.net [88.68.196.79]) by mrelayeu.kundenserver.de (node=mrelayeu6) with ESMTP (Nemesis) id 0ML29c-1KH2gU3vN2-0003fn; Thu, 10 Jul 2008 22:24:11 +0200 Received: from [192.168.0.32] (fw.lan.gerd-stolpmann.de [192.168.1.1]) by gate.lan.gerd-stolpmann.de (Postfix) with ESMTP id A0A9BC077; Thu, 10 Jul 2008 22:24:10 +0200 (CEST) Subject: Re: [Caml-list] Re: thousands of CPU cores From: Gerd Stolpmann To: Sylvain Le Gall Cc: caml-list@inria.fr In-Reply-To: References: <1215717356.24773.17.camel@flake.lan.gerd-stolpmann.de> Content-Type: text/plain Date: Thu, 10 Jul 2008 22:24:10 +0200 Message-Id: <1215721450.24773.25.camel@flake.lan.gerd-stolpmann.de> Mime-Version: 1.0 X-Mailer: Evolution 2.12.1 Content-Transfer-Encoding: 7bit X-Provags-ID: V01U2FsdGVkX19QmvsftqJiQmlbEnUM6aFhvbhEx3DmhNSvzXh YFZ6rvZWk4nKhNkFs0eSES6GDzlL9awEE0AS1JSmXyS06qwQu5 QpLLE2s1KUuPmzARhw8YvWNPudbD8zG X-Miltered: at concorde with ID 48766FEC.000 by Joe's j-chkmail (http://j-chkmail . ensmp . fr)! X-Spam: no; 0.00; gerd:01 stolpmann:01 donnerstag:01 gerd:01 stolpmann:01 ocaml:01 cygwin:01 viktoriastr:01 64293:01 darmstadt:01 6151:01 6151:01 wrote:01 unix:01 unix:01 Am Donnerstag, den 10.07.2008, 20:07 +0000 schrieb Sylvain Le Gall: > On 10-07-2008, Gerd Stolpmann wrote: > > In Ocaml you can exploit multi-core currently only by using > > multi-processing parallel programs that communicate over message passing > > (and only on Unix). Actually, it's an excellent language for this style. > > Why only on Unix ? No fork() on Windows. And emulating its effects is hard. I would subsume Cygwin under "pseudo-Unix", and its fork emulation is so slow that it would be a problem for speedy programs. Gerd -- ------------------------------------------------------------ Gerd Stolpmann * Viktoriastr. 45 * 64293 Darmstadt * Germany gerd@gerd-stolpmann.de http://www.gerd-stolpmann.de Phone: +49-6151-153855 Fax: +49-6151-997714 ------------------------------------------------------------