<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Brian makes a good point, and its a reminder that we need to look at everything with reference to the entire chapter.<div><br></div><div>Bill</div><div><br><div>
<span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><div style="font-size: 12px; ">William Gropp</div><div style="font-size: 12px; ">Director, Parallel Computing Institute</div><div style="font-size: 12px; ">Deputy Director for Research</div><div style="font-size: 12px; ">Institute for Advanced Computing Applications and Technologies</div></div></div></span><span class="Apple-style-span" style="font-size: 12px; ">Thomas M. Siebel Chair in Computer Science</span><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><div style="font-size: 12px; ">University of Illinois Urbana-Champaign</div></div><div><br></div></div></span><br class="Apple-interchange-newline"></span><br class="Apple-interchange-newline">
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<br><div><div>On Aug 19, 2013, at 9:01 PM, Torsten Hoefler wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div>Agreed -- I think it's a bug and we should fix it asap.<br><br>Best,<br>  Torsten<br><br>On Mon, Aug 19, 2013 at 03:47:39PM -0500, Rajeev Thakur wrote:<br><blockquote type="cite">It is still disallowed in MPI-3 by this sentence<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">pg 437, ln 28: Distinct access epochs for win at the same process must be disjoint. <br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">On Aug 19, 2013, at 3:13 PM, Jim Dinan wrote:<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><blockquote type="cite">Jeff,<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">With apologies if I have misunderstood your question.  To clarify, the example Rajeev gave was forbidden in MPI-2.  One could not have concurrent passive target access epochs, even if they accessed different targets.  It is allowed in MPI-3.<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"> ~Jim.<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">On Mon, Aug 19, 2013 at 3:52 PM, Jeff Hammond <<a href="mailto:jeff.science@gmail.com">jeff.science@gmail.com</a>> wrote:<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">you mean lock at those ranks, not by those ranks?  those aren't conflicting so i don't see the issue.  maybe i am a dolt though.<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">jeff<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">On Mon, Aug 19, 2013 at 2:44 PM, Rajeev Thakur <<a href="mailto:thakur@mcs.anl.gov">thakur@mcs.anl.gov</a>> wrote:<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">Did we make any change in MPI 3.0 to allow nesting of MPI_Win_lock calls? For example,<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">Win_lock(rank 1)<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">    Win_lock(rank 2)<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">    Win_unlock(rank 2)<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">Win_unlock(rank 1)<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">I can't find the text we added or deleted to allow this.<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">But I do see text that disallows this:<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">pg 437, ln 28: "Distinct access epochs for win at the same process must be disjoint."<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">Rajeev<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">_______________________________________________<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">mpi3-rma mailing list<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><a href="mailto:mpi3-rma@lists.mpi-forum.org">mpi3-rma@lists.mpi-forum.org</a><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><a href="http://lists.mpi-forum.org/mailman/listinfo.cgi/mpi3-rma">http://lists.mpi-forum.org/mailman/listinfo.cgi/mpi3-rma</a><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">-- <br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">Jeff Hammond<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><a href="mailto:jeff.science@gmail.com">jeff.science@gmail.com</a><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">_______________________________________________<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">mpi3-rma mailing list<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><a href="mailto:mpi3-rma@lists.mpi-forum.org">mpi3-rma@lists.mpi-forum.org</a><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><a href="http://lists.mpi-forum.org/mailman/listinfo.cgi/mpi3-rma">http://lists.mpi-forum.org/mailman/listinfo.cgi/mpi3-rma</a><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">_______________________________________________<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">mpi3-rma mailing list<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><a href="mailto:mpi3-rma@lists.mpi-forum.org">mpi3-rma@lists.mpi-forum.org</a><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><a href="http://lists.mpi-forum.org/mailman/listinfo.cgi/mpi3-rma">http://lists.mpi-forum.org/mailman/listinfo.cgi/mpi3-rma</a><br></blockquote></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">_______________________________________________<br></blockquote><blockquote type="cite">mpi3-rma mailing list<br></blockquote><blockquote type="cite"><a href="mailto:mpi3-rma@lists.mpi-forum.org">mpi3-rma@lists.mpi-forum.org</a><br></blockquote><blockquote type="cite"><a href="http://lists.mpi-forum.org/mailman/listinfo.cgi/mpi3-rma">http://lists.mpi-forum.org/mailman/listinfo.cgi/mpi3-rma</a><br></blockquote><br>-- <br>### qreharg rug ebs fv crryF ----------- <a href="http://htor.inf.ethz.ch/">http://htor.inf.ethz.ch/</a> -----<br>Torsten Hoefler           | Assistant Professor<br>Dept. of Computer Science | ETH Zürich<br>Universitätsstrasse 6     | Zurich-8092, Switzerland<br>CAB E 64.1                | Phone: +41 76 309 79 29<br>_______________________________________________<br>mpi3-rma mailing list<br><a href="mailto:mpi3-rma@lists.mpi-forum.org">mpi3-rma@lists.mpi-forum.org</a><br>http://lists.mpi-forum.org/mailman/listinfo.cgi/mpi3-rma<br></div></blockquote></div><br></div></body></html>