From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail3-relais-sop.national.inria.fr (mail3-relais-sop.national.inria.fr [192.134.164.104]) by walapai.inria.fr (8.13.6/8.13.6) with ESMTP id p2UGulNG025340 for ; Wed, 30 Mar 2011 18:56:48 +0200 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AvgCAHtgk01KfVI0kGdsb2JhbAClSggUAQEBAQkJDQcUBCGiXIx3AQWOMQEEhWqWFzo X-IronPort-AV: E=Sophos;i="4.63,269,1299452400"; d="scan'208";a="79495903" Received: from mail-ww0-f52.google.com ([74.125.82.52]) by mail3-smtp-sop.national.inria.fr with ESMTP/TLS/RC4-SHA; 30 Mar 2011 18:56:42 +0200 Received: by wwe15 with SMTP id 15so2148897wwe.9 for ; Wed, 30 Mar 2011 09:56:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=gamma; h=domainkey-signature:from:to:cc:references:in-reply-to:subject:date :organization:message-id:mime-version:content-type :content-transfer-encoding:x-mailer:thread-index:content-language; bh=L9Y+VcTjRSG04eLxI+NIMgTAawWelfSkQhVeWBlTps4=; b=J5/ZO3O+IY2nh7l24qBOkWdziMIp+VagzvNQJu61WQkPA3JpKKecdS/c2xoJ7G92dg 1acYxXWIphBKgbe4Z9xUXhItO3HsrrlL01kCLTmg4v8DSRsnOlEMy7jxhEhL+bRyPkez 88kW9WdbbJuhaUcu2IBDFoQS3SAgwlGwPTnxU= DomainKey-Signature: a=rsa-sha1; c=nofws; d=googlemail.com; s=gamma; h=from:to:cc:references:in-reply-to:subject:date:organization :message-id:mime-version:content-type:content-transfer-encoding :x-mailer:thread-index:content-language; b=SprAH/F89afdx5+nLTJSUtvtMLqXSfhnKJTlv69l2hXYTEWC0DDJGk2a6ATkvcCaa6 S+7fXAXyT8Ft33dZUJZ1nl75IP8Iqbzz1JuwIQBlyvrXf+G6SVFIoHkbGhnNTRe7gojR FBl445Ob93MJVBd8NyHEvOI1iswkrceWErJ2Q= Received: by 10.216.16.100 with SMTP id g78mr1486672weg.55.1301504201992; Wed, 30 Mar 2011 09:56:41 -0700 (PDT) Received: from WinEight ([87.115.154.244]) by mx.google.com with ESMTPS id t5sm130752wes.9.2011.03.30.09.56.39 (version=SSLv3 cipher=OTHER); Wed, 30 Mar 2011 09:56:39 -0700 (PDT) From: Jon Harrop To: "'Richard W.M. Jones'" Cc: References: <2054357367.219171.1300974318806.JavaMail.root@zmbs4.inria.fr> <4D8BD02D.1010505@inria.fr> <4D8C73C8.6020801@inescporto.pt> <1301055903.8429.314.camel@thinkpad> <341494683.237537.1301057887481.JavaMail.root@zmbs4.inria.fr> <4D8C944A.9060601@inria.fr> <4D8CB859.9040709@inescporto.pt> <4D8CDDCC.4010000@ens-lyon.org> <4D8CEAA4.2030403@inescporto.pt> <1301084818.8429.435.camel@thinkpad> <20110326103149.GA7467@annexia.org> In-Reply-To: <20110326103149.GA7467@annexia.org> Date: Wed, 30 Mar 2011 17:56:25 +0100 Organization: Flying Frog Consultancy Message-ID: <040801cbeefb$68cd5440$3a67fcc0$@ffconsultancy.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Outlook 14.0 Thread-Index: AQFhMASujb2QG2h3N2h7/lJjoQ23OAIYQRkZAge6bucBi7oV8gIGVE8/AmcCvngCudDnUAFa0vZTARTLcbACmiZk1QK7ovZalHbTxVA= Content-Language: en-gb Subject: RE: [Caml-list] Efficient OCaml multicore -- roadmap? Richard Jones wrote: > The sort of high end hardware we're seeing now has 128 cores and hundreds of > gigabytes or even a terabyte of non-uniform RAM. FWIW, Azul have been shipping 864-core machines for years now. Note also that they use a single multi-threaded GC for the JVM to write efficient parallel code (albeit with some hardware support) and not separate GCs with message passing (which is basically unheard of). Cheers, Jon.