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<p dir="auto" data-sourcepos="3:1-3:73">Hello,</p>
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<p dir="auto" data-sourcepos="3:1-3:73">sorry for hidden link;</p>
<p dir="auto" data-sourcepos="3:1-3:73"><br>
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<p dir="auto" data-sourcepos="3:1-3:73">the point is that the "<code>ompi_info -a | grep THREAD</code>" says
<code>MPI_THREAD_MULTIPLE: yes</code>,</p>
<p dir="auto" data-sourcepos="3:1-3:73"><br>
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<p dir="auto" data-sourcepos="5:1-5:160">but "spack info openmpi@4.1.5" gives "thread_multiple [off] [@1.5.4:2] on, off Enable MPI_THREAD_MULTIPLE support"
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<p dir="auto" data-sourcepos="5:1-5:160"><br>
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<p dir="auto" data-sourcepos="7:1-7:219">Maybe this is the case of the ELPA "WARNING elpa_setup: MPI threading level MPI_THREAD_SERALIZED or MPI_THREAD_MULTIPLE required but your implementation does not support this! The number of OpenMP threads within ELPA
will be limited to 1"</p>
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I will investigate it deeper, as I need Wien2k parallel as fast as possible.</div>
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Intel MPI will come later, again, I need ELPA built with Intel. I guess that IntelMPI+MKL Wien2k is faster than OpenMPI+Openblas ?<br>
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Best, Miro<br>
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<div id="divRplyFwdMsg" dir="ltr"><font style="font-size:11pt" face="Calibri, sans-serif" color="#000000"><b>From:</b> Wien <wien-bounces@zeus.theochem.tuwien.ac.at> on behalf of Laurence Marks <laurence.marks@gmail.com><br>
<b>Sent:</b> 04 July 2023 18:02<br>
<b>To:</b> A Mailing list for WIEN2k users<br>
<b>Subject:</b> Re: [Wien] WARNING elpa_setup during lapw1_mpi</font>
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<div>That is a private site, do I cannot read anything.</div>
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<div dir="auto">All I can suggest is doing a Google search on "missing MPI_THREAD_MULTIPLE". It looks as if you have to enable this in openmpi configure, although there might be some bugs. There could also be some environmental parameters that need to be set.</div>
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<div dir="auto">Or use Intel mpi. While it does not have everything that some sysadmin want, if you are using mkl & ifort (both free) it integrates trivially. I personally dislike openmpi as it keeps changing and is not always user friendly.<br>
<br>
<div dir="auto">--<br>
Professor Laurence Marks (Laurie)<br>
Department of Materials Science and Engineering, Northwestern University<br>
<a href="http://www.numis.northwestern.edu" target="_blank" rel="noreferrer">www.numis.northwestern.edu</a><br>
"Research is to see what everybody else has seen, and to think what nobody else has thought" Albert Szent-Györgyi</div>
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<div dir="ltr" class="gmail_attr">On Tue, Jul 4, 2023, 09:33 Ilias, Miroslav <<a href="mailto:M.Ilias@gsi.de" target="_blank" rel="noreferrer">M.Ilias@gsi.de</a>> wrote:<br>
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<p>Dear Professor Marks,</p>
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<p>concerning <a href="https://www.mail-archive.com/wien@zeus.theochem.tuwien.ac.at/msg22621.html" rel="noreferrer noreferrer" target="_blank">
https://www.mail-archive.com/wien@zeus.theochem.tuwien.ac.at/msg22621.html</a> :
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<p>I am trying to find out why is ELPA module complaining of missing <span style="font-family:monospace"><span style="color:#000000; background-color:#ffffff">MPI_THREAD_MULTIPLE</span> .</span></p>
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<p><span style="font-family:monospace">We have a debate on this <span style="font-family:monospace">
<a href="https://git.gsi.de/SDEGroup/SIR/-/issues/85#note_55392" rel="noreferrer noreferrer" target="_blank">https://git.gsi.de/SDEGroup/SIR/-/issues/85#note_55392</a></span></span></p>
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</span></span></p>
<p><span style="font-family:monospace"><span style="font-family:monospace">If you somebody could comment on this topic as I would like to investigate deeply. Can somebody advice me a short ELPA testing program for this ?</span></span></p>
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<p><span style="font-family:monospace"><span style="font-family:monospace">Best, Miro<br>
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