From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Delivered-To: caml-list@yquem.inria.fr Received: from nez-perce.inria.fr (nez-perce.inria.fr [192.93.2.78]) by yquem.inria.fr (Postfix) with ESMTP id 97703BCAE for ; Wed, 6 Jul 2005 18:22:37 +0200 (CEST) Received: from pih-relay04.plus.net (pih-relay04.plus.net [212.159.14.131]) by nez-perce.inria.fr (8.13.0/8.13.0) with ESMTP id j66GMaPl010877 (version=TLSv1/SSLv3 cipher=AES256-SHA bits=256 verify=NO) for ; Wed, 6 Jul 2005 18:22:37 +0200 Received: from [80.229.56.224] (helo=chetara) by pih-relay04.plus.net with esmtp (Exim) id 1DqCfS-0008RG-H7 for caml-list@yquem.inria.fr; Wed, 06 Jul 2005 17:22:36 +0100 From: Jon Harrop Organization: Flying Frog Consultancy Ltd. To: caml-list@yquem.inria.fr Subject: Re: [Caml-list] x86 vs AMD64 OCaml compiler performance Date: Wed, 6 Jul 2005 17:20:59 +0100 User-Agent: KMail/1.7.2 References: <200507060353.29648.jon@ffconsultancy.com> <42CB7DB9.6010107@bik-gmbh.de> In-Reply-To: <42CB7DB9.6010107@bik-gmbh.de> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200507061720.59541.jon@ffconsultancy.com> X-Miltered: at nez-perce with ID 42CC054C.001 by Joe's j-chkmail (http://j-chkmail.ensmp.fr)! X-Spam: no; 0.00; caml-list:01 ocaml:01 compiler:01 florian:01 hars:01 ocamlopt:01 ocamlopt:01 ocamlc:01 ...:98 frog:98 presenta:98 wrote:01 native:02 executable:03 compiled:04 X-Spam-Checker-Version: SpamAssassin 3.0.2 (2004-11-16) on yquem.inria.fr X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=disabled version=3.0.2 X-Spam-Level: On Wednesday 06 July 2005 07:44, Florian Hars wrote: > You have doublechecked that you always use either ocamlopt or ocamlopt.opt, > but not accidentally one for x86 and the other for amd64? This would > explain the factor of approximately 5 you see... You are quite right - I think only ocamlc on the AMD64 had been compiled to native code because it is the only executable that "ldd" will run on. -- Dr Jon D Harrop, Flying Frog Consultancy Ltd. Technical Presentation Software http://www.ffconsultancy.com/products/presenta