<div dir="ltr"><div class="gmail_quote"><br><div dir="ltr"><div class="gmail_quote"><div dir="ltr"><div id="m_2579146087120120516gmail-m_-6388625938077435782divtagdefaultwrapper" style="font-size:12pt;color:rgb(0,0,0);font-family:Calibri,Helvetica,sans-serif" dir="ltr"><div style="color:rgb(0,0,0)"><div dir="ltr" style="font-size:12pt;color:rgb(0,0,0);background-color:rgb(255,255,255);font-family:Calibri,Arial,Helvetica,sans-serif"><div style="word-wrap:break-word"><div><div><blockquote type="cite"><div><div style="font-family:Calibri,Arial,Helvetica,sans-serif;font-size:16px;font-style:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255)"><div style="word-wrap:break-word"><div><div>Please schedule a reading for issue #25 (pull request #29).<br>
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<div><a href="https://github.com/mpi-forum/mpi-issues/issues/25" id="m_2579146087120120516gmail-m_-6388625938077435782LPlnk671302" target="_blank">https://github.com/mpi-forum/m<wbr>pi-issues/issues/25</a></div>
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<a id="m_2579146087120120516gmail-m_-6388625938077435782LPImageAnchor_15109532794150.8315865664240266" href="https://github.com/mpi-forum/mpi-issues/issues/25" style="display:table-cell;text-align:center" target="_blank"><img id="m_2579146087120120516gmail-m_-6388625938077435782LPThumbnailImageID_15109532794150.7554217395237394" width="250" height="250" style="display:inline-block;max-width:250px;max-height:250px;height:250px;width:250px;border-width:0px;vertical-align:bottom" src="https://avatars1.githubusercontent.com/u/916617?s=400&v=4"></a></div>
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<div id="m_2579146087120120516gmail-m_-6388625938077435782LPTitle_15109532794150.7643893330989289" style="color:rgb(0,120,215);font-weight:normal;font-size:21px;font-family:wf_segoe-ui_light,"Segoe UI Light","Segoe WP Light","Segoe UI","Segoe WP",Tahoma,Arial,sans-serif;line-height:21px">
<a id="m_2579146087120120516gmail-m_-6388625938077435782LPUrlAnchor_15109532794150.3658297469159667" href="https://github.com/mpi-forum/mpi-issues/issues/25" style="text-decoration:none" target="_blank">Adding Persistent Collective Communication · Issue #25 ...</a></div>
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<a href="http://github.com" target="_blank">github.com</a></div>
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This ticket proposes non-blocking persistent collective operations be added to the standard. The associated PR is at: mpi-forum/mpi-standard#29</div></td></tr></tbody></table></div></div></div></div></blockquote></div></blockquote><div style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px">Useful links:</div><div style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px"><a href="https://github.com/mpi-forum/mpi-issues/issues/25" target="_blank">https://github.com/mpi-forum/m<wbr>pi-issues/issues/25</a></div><div style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px"><a href="https://github.com/mpi-forum/mpi-standard/pull/29" target="_blank">https://github.com/mpi-forum/m<wbr>pi-standard/pull/29</a></div><div style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8px"><a href="https://github.com/mpi-forum/mpi-standard/files/1483740/mpi32-report.pdf" target="_blank">https://github.com/mpi-forum/m<wbr>pi-standard/files/1483740/mpi3<wbr>2-report.pdf</a></div><blockquote type="cite"><div><div style="font-family:Calibri,Arial,Helvetica,sans-serif;font-size:16px;font-style:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);word-wrap:break-word"><div><div><span style="font-size:12pt">Summary of changes:</span><div><div style="word-wrap:break-word">
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</div><div>Point to point chapter</div><div>-----------------------------</div><div><span style="font-size:12pt">3 .9 Clarification that persistent collective requests cannot be freed while active.</span><br></div></div></div></div></div></div></div></blockquote><blockquote type="cite"><div><div style="font-family:Calibri,Arial,Helvetica,sans-serif;font-size:16px;font-style:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);word-wrap:break-word"><div><div><div><div style="word-wrap:break-word">
<div>Collective Communication Chapter<br>
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<div>5.13  Added Persistent collective communication functions<br>
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<div>5.13.1 -- Added section to discuss Info Keys related to Persistent Collectibrs<br>
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<div>5.13.2-5.13.13 -- Added one-to-one a persistent collective for every corresponding nonblocking collective<br>
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Process Topologies chapter<br>
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<div>Added Section 7.8 -- Persistent collective communication for communication on process topologies;</div>
<div>added one-to-one a function for every nonblocking topological collective operation</div>
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As noted previously, we have a working functional implementation (libPNBC) as well.   This is the implementation that matches the proposal.</div><div><br></div><div>Please note that this will be a full reading.  We went over the material in the September meeting, but determined we needed to do a new reading in December after making clarifications on several points raised in Chicago.</div><div><br></div><div>In particular, we explain the semantics of MPI_Request_free for collective</div><div>requests. And, we explain the life-cycle of persistent collectives requests as being valid for zero-or-more uses after their respective _Init.</div>
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<span style="font-size:12pt">Thank you,</span></div>
<div><span style="font-size:12pt"></span>Tony Skjellum, Puri Bangalore, and Dan Holmes</div>
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</font></span></div><span class="HOEnZb"><font color="#888888"><br><br clear="all"><div><br></div>-- <br><div class="m_2579146087120120516gmail_signature"><div dir="ltr">Anthony Skjellum, PhD<br><a href="mailto:skjellum@gmail.com" target="_blank">skjellum@gmail.com</a><br>Cell: <a href="tel:(205)%20807-4968" value="+12058074968" target="_blank">+1-205-807-4968</a><div><br><div><br></div></div></div></div>
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