From owner-sc22wg5@open-std.org Fri Aug 11 15:34:27 2006 Return-Path: X-Original-To: sc22wg5-dmo5 Delivered-To: sc22wg5-dmo5@open-std.org Received: by open-std.org (Postfix, from userid 521) id 2246F256D1; Fri, 11 Aug 2006 15:34:27 +0200 (CET DST) X-Original-To: sc22wg5@open-std.org Delivered-To: sc22wg5@open-std.org Received: from 62-64-201-6.dynamic.dial.as9105.com (62-64-201-6.dynamic.dial.as9105.com [62.64.201.6]) by open-std.org (Postfix) with ESMTP id D23C32563A for ; Fri, 11 Aug 2006 15:34:19 +0200 (CET DST) Received: by 62-64-201-6.dynamic.dial.as9105.com (Postfix, from userid 501) id 3E4921A4C42; Fri, 11 Aug 2006 14:35:13 +0100 (BST) X-Original-To: sc22wg5@open-std.org Received: from cliffclavin.cs.rpi.edu (cliffclavin.cs.rpi.edu [128.213.1.9]) by open-std.org (Postfix) with ESMTP id 7598E249D3 for ; Fri, 11 Aug 2006 13:36:19 +0200 (CET DST) Received: from barbara.cs.rpi.edu (barbara.cs.rpi.edu [128.213.7.22]) by cliffclavin.cs.rpi.edu (8.13.6/8.13.6) with ESMTP id k7BBaEAI003623 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Fri, 11 Aug 2006 07:36:14 -0400 (EDT) Received: from barbara.cs.rpi.edu (localhost [127.0.0.1]) by barbara.cs.rpi.edu (8.13.1/8.12.6) with ESMTP id k7BBaEeO001530; Fri, 11 Aug 2006 07:36:14 -0400 (EDT) (envelope-from szymansk@barbara.cs.rpi.edu) Received: (from szymansk@localhost) by barbara.cs.rpi.edu (8.13.1/8.12.6/Submit) id k7BBaEjC001529; Fri, 11 Aug 2006 07:36:14 -0400 (EDT) (envelope-from szymansk) Date: Fri, 11 Aug 2006 07:36:13 -0400 (EDT) From: Boleslaw Szymanski To: Nick Maclaren Cc: van.snyder@jpl.nasa.gov, sc22wg5 Subject: Re: [ukfortran] (SC22WG5.3412) Invitation to write about Fortran in "Scientific Programming" In-Reply-To: Message-ID: <20060811073533.O1498@barbara.cs.rpi.edu> References: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Scanned-By: MIMEDefang 2.56 on 128.213.1.9 Sender: owner-sc22wg5@open-std.org Precedence: bulk indeed this is an interesting obeservation and can be a basis for a contribution. Boleslaw --------------------------------------------------------------------------- Boleslaw K. Szymanski Professor of Computer Science Rensselaer Polytechnic Institute e-mail: szymansk@cs.rpi.edu Lally 204, 110 Eighth Street http://www.cs.rpi.edu/~szymansk Troy, NY 12180-3590, USA tel: 518-276-2714, fax: 518-276-4033 On Fri, 11 Aug 2006, Nick Maclaren wrote: > I hesitate to say anything, still less make an offer, but there is one > aspect that I think is worth a brief note that is dear to my heart. > It is just how well the original Fortran computational/memory model > has allowed procedural forms of parallelism. Some were doubtless > thought of by Backus, but I'll bet not all. > > I am thinking of (a) distributed memory message passing (like MPI), > (b) vector-like SIMD (numerous examples) and even (c) hierarchical > threading (e.g. OpenMP). All have been addable with minimal changes > to the language's basic model and modest extensions. > > The same is not true, of course, of the non-procedural parallelism > models, but that is only to be expected. > > Is anyone picking this up? Because I think that someone should. > > > Regards, > Nick Maclaren, > University of Cambridge Computing Service, > New Museums Site, Pembroke Street, Cambridge CB2 3QH, England. > Email: nmm1@cam.ac.uk > Tel.: +44 1223 334761 Fax: +44 1223 334679 >