From owner-sc22wg5@open-std.org Fri Aug 11 17:56:05 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 D3270256D1; Fri, 11 Aug 2006 17:56:05 +0200 (CET DST) X-Original-To: sc22wg5@open-std.org Delivered-To: sc22wg5@open-std.org Received: from mk-ironport-3.mail.uk.tiscali.com (mk-ironport-3.mail.uk.tiscali.com [212.74.114.23]) by open-std.org (Postfix) with ESMTP id EA76B25625 for ; Fri, 11 Aug 2006 17:56:02 +0200 (CET DST) Received: from mk-smarthost-3.mail.uk.tiscali.com ([212.74.114.39]) by mk-ironport-3.mail.uk.tiscali.com with ESMTP; 11 Aug 2006 16:56:00 +0100 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AQAAAPJE3EQBiwUBAQIHBBEG Received: from 62-64-222-96.dynamic.dial.as9105.com ([62.64.222.96]:49271) by mk-smarthost-3.mail.uk.tiscali.com with esmtp (Exim 4.30) id 1GBZMd-0004wc-Mq for sc22wg5@open-std.org; Fri, 11 Aug 2006 15:56:00 +0000 Mime-Version: 1.0 (Apple Message framework v752.2) References: <20060811113625.523512561F@open-std.org> Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed Message-Id: <6D3892D6-5992-446D-81E8-FEAED4769393@bcs.org.uk> Content-Transfer-Encoding: 7bit From: David Muxworthy Subject: Fwd: BOUNCE sc22wg5@open-std.org: Non-member submission from [Boleslaw Szymanski ] Date: Fri, 11 Aug 2006 16:56:55 +0100 To: sc22wg5@open-std.org X-Mailer: Apple Mail (2.752.2) Sender: owner-sc22wg5@open-std.org Precedence: bulk > Return-Path: > X-Original-To: sc22wg5@open-std.org > Delivered-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 > > 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 >>