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=UNPARSEABLE_RELAY autolearn=disabled version=3.1.3 X-Original-To: caml-list@yquem.inria.fr Delivered-To: caml-list@yquem.inria.fr Received: from mail1-relais-roc.national.inria.fr (mail1-relais-roc.national.inria.fr [192.134.164.82]) by yquem.inria.fr (Postfix) with ESMTP id 333B1BC6B for ; Wed, 19 Sep 2007 12:57:53 +0200 (CEST) X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AgAAAAed8EbAXQImn2dsb2JhbACOEgIBAQcEBgcIGGk X-IronPort-AV: E=Sophos;i="4.20,273,1186351200"; d="scan'208";a="1025281" Received: from discorde.inria.fr ([192.93.2.38]) by mail1-smtp-roc.national.inria.fr with ESMTP; 19 Sep 2007 12:59:06 +0200 Received: from mail2-relais-roc.national.inria.fr (mail2-relais-roc.national.inria.fr [192.134.164.83]) by discorde.inria.fr (8.13.6/8.13.6) with ESMTP id l8JAwPZA007739 (version=TLSv1/SSLv3 cipher=RC4-SHA bits=128 verify=OK) for ; Wed, 19 Sep 2007 12:58:25 +0200 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AgAAAA+e8EaTIFAHh2dsb2JhbACOEgIBCAonaQ X-IronPort-AV: E=Sophos;i="4.20,273,1186351200"; d="scan'208";a="1403472" Received: from relay.felk.cvut.cz ([147.32.80.7]) by mail2-smtp-roc.national.inria.fr with ESMTP; 19 Sep 2007 12:59:04 +0200 Received: from k333.felk.cvut.cz (k333.felk.cvut.cz [147.32.87.5]) by relay.felk.cvut.cz (8.14.1/8.14.1) with ESMTP id l8JAwrGr017735 for ; Wed, 19 Sep 2007 12:58:53 +0200 (CEST) (envelope-from kybic@fel.cvut.cz) Received: from K333/SpoolDir by k333.felk.cvut.cz (Mercury 1.48); 19 Sep 07 12:58:53 +0100 Received: from SpoolDir by K333 (Mercury 1.48); 19 Sep 07 12:58:38 +0100 Received: from d620-jk (147.32.84.19) by k333.felk.cvut.cz (Mercury 1.48) with ESMTP; 19 Sep 07 12:58:30 +0100 To: caml-list@inria.fr Subject: Can coThreads be used for message passing architecture? Reply-To: Jan Kybic From: Jan Kybic In-Reply-To: <20070919201144.634be18a.mle+ocaml@mega-nerd.com> (Erik de Castro Lopo's message of "Wed, 19 Sep 2007 20:11:44 +1000") References: <87lkb5fe3f.fsf@pps.jussieu.fr> <87sl5d8cgd.fsf@pps.jussieu.fr> <20070919201144.634be18a.mle+ocaml@mega-nerd.com> Date: Wed, 19 Sep 2007 12:58:29 +0200 Message-ID: <87ps0e9b1m.fsf_-_@fel.cvut.cz> User-Agent: Gnus/5.1008 (Gnus v5.10.8) Emacs/21.4 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-FELK-MailScanner-Information: X-FELK-MailScanner: Found to be clean X-FELK-MailScanner-SpamCheck: not spam, SpamAssassin (not cached, score=-2.599, required 5, autolearn=not spam, BAYES_00 -2.60) X-FELK-MailScanner-From: kybic@fel.cvut.cz X-Miltered: at discorde with ID 46F100D1.000 by Joe's j-chkmail (http://j-chkmail . ensmp . fr)! X-Spam: no; 0.00; ocaml:01 usable:02 programming:03 library:03 concurrent:04 mpi:04 mpi:04 passing:05 passing:05 shared:06 i'd:06 fel:07 cluster:07 fel:07 release:09 >> I'd like to announce the first public release of coThreads, a concurrent >> programming library for OCaml. I have had only a quick look at the web page but I did not understand whether and how can coThreads be used on a cluster of independent computers (Beowulf-style) that are only connected by network (no shared memory) for which I normally use MPI (message passing). Is coThreads usable in such a scenario? What is the backend - does it run on the top of PVM, MPI, or similar? Thanks for clarification. Jan -- ------------------------------------------------------------------------- Jan Kybic tel. +420 2 2435 5721 http://cmp.felk.cvut.cz/~kybic ICQ 200569450