From owner-sc22wg5@open-std.org Wed Dec 3 18:52:09 2008 Return-Path: X-Original-To: sc22wg5-dom7 Delivered-To: sc22wg5-dom7@www2.open-std.org Received: by www2.open-std.org (Postfix, from userid 521) id 15AA5C56CF8; Wed, 3 Dec 2008 18:52:09 +0100 (CET) X-Original-To: sc22wg5@open-std.org Delivered-To: sc22wg5@open-std.org Received: from ppsw-0.csi.cam.ac.uk (ppsw-0.csi.cam.ac.uk [131.111.8.130]) by www2.open-std.org (Postfix) with ESMTP id 8293BC4596D for ; Wed, 3 Dec 2008 18:52:07 +0100 (CET) X-Cam-AntiVirus: no malware found X-Cam-SpamDetails: not scanned X-Cam-ScannerInfo: http://www.cam.ac.uk/cs/email/scanner/ Received: from hermes-1.csi.cam.ac.uk ([131.111.8.51]:33562) by ppsw-0.csi.cam.ac.uk (smtp.hermes.cam.ac.uk [131.111.8.150]:25) with esmtpa (EXTERNAL:nmm1) id 1L7vtP-0003R1-0B (Exim 4.70) for sc22wg5@open-std.org (return-path ); Wed, 03 Dec 2008 17:52:07 +0000 Received: from prayer by hermes-1.csi.cam.ac.uk (hermes.cam.ac.uk) with local (PRAYER:nmm1) id 1L7vtP-0006kp-1L (Exim 4.67) for sc22wg5@open-std.org (return-path ); Wed, 03 Dec 2008 17:52:07 +0000 Received: from [83.67.89.123] by webmail.hermes.cam.ac.uk with HTTP (Prayer-1.3.1); 03 Dec 2008 17:52:07 +0000 Date: 03 Dec 2008 17:52:07 +0000 From: "N.M. Maclaren" To: sc22wg5@open-std.org Subject: MPI non-blocking transfers and ASYNCHRONOUS Message-ID: X-Mailer: Prayer v1.3.1 Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="-1870869256-1804289383-1228326727=:6705" Sender: owner-sc22wg5@open-std.org Precedence: bulk This message is in MIME format. The first part should be readable text, while the remaining parts are likely unreadable without MIME-aware tools. Send mail to mime@docserver.cac.washington.edu for more info. ---1870869256-1804289383-1228326727=:6705 Content-Type: text/plain; format=flowed; charset=ISO-8859-1 I attach a proposal for how to add this to the Technical Report. Unless I have missed something fundamental, it addresses the problem of the semantics of MPI buffers. Note that it does NOT address the type matching rules - it is orthogonal to those. 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 ---1870869256-1804289383-1228326727=:6705 Content-Type: application/unknown; name=MPI_asynch.txt Content-Disposition: attachment; filename=MPI_asynch.txt Content-Description: MPI_asynch.txt Content-Transfer-Encoding: BASE64 VGhlIGdvb2QgbmV3cyBpcyB0aGF0IG5vIGNoYW5nZXMgdG8gdGhlIG1haW4g Ym9keSBvZiB0aGUgc3RhbmRhcmQgYXJlCm5lZWRlZCwgYW5kIGFsbCBvZiB0 aGUgZXh0ZW5zaW9ucyBhcmUgcmVzdHJpY3RlZCB0byB3aXRoaW4gdGhlIG1v ZHVsZQpJU09fQ19CSU5ESU5HLiAgVGhpcyBkb2N1bWVudCBwcm9wb3NlcyBo b3cuCgoKTVBJJ3MgVHJhbnNmZXIgU2VtYW50aWNzCi0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLQoKVGhpcyBpcyBub3QgcmVmZXJyaW5nIHRvIHRoZSBwcm9i bGVtIG9mIG1hdGNoaW5nIE1QSSdzICdjaG9pY2UnIChpLmUuCmFyYml0cmFy eSB0eXBlKSBhcmd1bWVudHMgdG8gRm9ydHJhbiwgYnV0IHRvIHRoZSBhY3R1 YWwgc2VtYW50aWNzIG9mCnRoZSB0cmFuc2ZlciAoaS5lLiBzeW5jaHJvbm91 cywgYXN5bmNocm9ub3VzIGFuZCBleHRlcm5hbCkuCgpNUEkgaGFzIHRocmVl IGZvcm1zIG9mIHRyYW5zZmVyOgoKICAgIDEpIEJsb2NraW5nIHBvaW50LXRv 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