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Hi Mike,<br>
<br>
Let's have the initial discussion on the email list and then add
relevant content to the appropriate ticket(s).<br>
<br>
Cheers,<br>
Dan.<br>
<br>
<div class="moz-cite-prefix">On 23/03/2015 14:46, Blocksome, Michael
wrote:<br>
</div>
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<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">I’ve
got some comments on the info keys tickets – do you prefer
to have the discussion in the tickets or on the mailing list
(so that the ticket is more readable as a proposal “draft”)
?<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Thanks,<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Mike<o:p></o:p></span></p>
<p class="MsoNormal"><a moz-do-not-send="true"
name="_MailEndCompose"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></a></p>
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<p class="MsoNormal"><b><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:windowtext">From:</span></b><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:windowtext">
mpiwg-p2p [<a class="moz-txt-link-freetext" href="mailto:mpiwg-p2p-bounces@lists.mpi-forum.org">mailto:mpiwg-p2p-bounces@lists.mpi-forum.org</a>]
<b>On Behalf Of </b>Daniel Holmes<br>
<b>Sent:</b> Monday, March 23, 2015 7:01 AM<br>
<b>To:</b> MPI WG Point To Point Communications working
group<br>
<b>Subject:</b> Re: [mpiwg-p2p] Next meeting: 16th March
2015 11am Central US<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal" style="margin-bottom:12.0pt">Hi All,<br>
<br>
At the last telco meeting, Jim asked for a to-do list of the
tasks needed to move communicator assertions forward. Please
find below a first draft of such a task list. Could we agree
that this is a good list? If you see something odd/missing,
reply to this email group.<br>
<br>
<u>To-do list for communicator assertions<br>
</u><br>
0) Gather evidence to support "no-one will be affected by
backwards incompatibility".<br>
(e.g. chase Pavan, who volunteered to do this for major
MPICH users)<br>
1) Change behaviour of MPI_COMM_DUP so that INFO keys are
*not* propagated to new comm.<br>
(include AtoU: if you want to dup INFO use
MPI_COMM_DUP_WITH_INFO, with example)<br>
2) Discuss whether attributes (plus, anything else?) should be
propagated by MPI_COMM_DUP.<br>
(default presumption is yes, they should still be
propagated).<br>
3) Find all occurrence of language in the MPI Standard that
suggests INFO keys are hints.<br>
a) Change or remove any generic statements like "INFO keys
cannot change semantics".<br>
(e.g. change to "cannot change observable semantics" or
remove)<br>
b) For each occurrence, determine if it should continue to
suggest hint status<br>
(e.g. a particular key, most likely for the I/O keys but
maybe also some RMA keys)<br>
<br>
A) Convert ticket 381 into "make comm assertions doable"
proposal (by Jun 2015 - Chicago?)<br>
B) Get "no wildcard" INFO keys proposal ready for formal
reading (by Jun 2015 - Chicago?)<br>
C) Get "no ordering" INFO key proposal ready for formal
reading (by Jun 2015 - Chicago?)<br>
D) Get "no cancel" INFO keys proposal ready for formal reading
(by Jun 2015 - Chicago?)<br>
E) Discuss other INFO key proposals, e.g. "only wildcard", "no
non-blocking", "no underflow"<br>
<br>
Cheers,<br>
Dan.<o:p></o:p></p>
<div>
<p class="MsoNormal">On 13/03/2015 19:22, Daniel Holmes wrote:<o:p></o:p></p>
</div>
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<p class="MsoNormal" style="margin-bottom:12.0pt">Hi All, <br>
<br>
The next point-to-point teleconference will be on Monday
16th March 2015 at 11am Central US via webex.
<br>
<br>
Connection details are on the point-to-point wiki page: <br>
<a moz-do-not-send="true"
href="https://svn.mpi-forum.org/trac/mpi-forum-web/wiki/PtpWikiPage">https://svn.mpi-forum.org/trac/mpi-forum-web/wiki/PtpWikiPage</a>
<br>
<br>
Agenda: <br>
1) "Can INFO keys change the semantic behaviour of MPI?"
issue - following the discussion at the face-to-face
meeting, we seem to have a workable way forward on this
issue!
<br>
2) New communicator INFO keys - it looks like these will be
allowed, so we should define a few and get a proposal ready
for the next face-to-face meeting
<br>
3) Progress on Arecv and Fsend or ReceiveReduce? <br>
4) Other stuff? <br>
<br>
Cheers, <br>
Dan. <o:p></o:p></p>
</blockquote>
<p class="MsoNormal"><br>
<br>
<br>
<o:p></o:p></p>
<pre>-- <o:p></o:p></pre>
<pre>Dan Holmes<o:p></o:p></pre>
<pre>Applications Consultant in HPC Research<o:p></o:p></pre>
<pre>EPCC, The University of Edinburgh<o:p></o:p></pre>
<pre>James Clerk Maxwell Building<o:p></o:p></pre>
<pre>The Kings Buildings<o:p></o:p></pre>
<pre>Peter Guthrie Tait Road <o:p></o:p></pre>
<pre>Edinburgh<o:p></o:p></pre>
<pre>EH9 3FD<o:p></o:p></pre>
<pre>T: +44(0)131 651 3465<o:p></o:p></pre>
<pre>E: <a moz-do-not-send="true" href="mailto:dholmes@epcc.ed.ac.uk">dholmes@epcc.ed.ac.uk</a><o:p></o:p></pre>
<pre><o:p> </o:p></pre>
<pre>*Please consider the environment before printing this email.*<o:p></o:p></pre>
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<br>
<pre class="moz-signature" cols="72">--
Dan Holmes
Applications Consultant in HPC Research
EPCC, The University of Edinburgh
James Clerk Maxwell Building
The Kings Buildings
Peter Guthrie Tait Road
Edinburgh
EH9 3FD
T: +44(0)131 651 3465
E: <a class="moz-txt-link-abbreviated" href="mailto:dholmes@epcc.ed.ac.uk">dholmes@epcc.ed.ac.uk</a>
*Please consider the environment before printing this email.*</pre>
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