<div dir="ltr">Dear Tao,<div>Make sure that you have some parallel libraries like openmpi or mpich with their development libraries like mpicc, mpif90. if you don't have them, QE won't recognise system as a parallel one.</div></div><div class="gmail_extra"><br><div class="gmail_quote">2016-09-13 0:20 GMT+03:00 Yu, Tao <span dir="ltr"><<a href="mailto:tyu@tntech.edu" target="_blank">tyu@tntech.edu</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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<div style="font-size:12pt;color:#000000;background-color:#ffffff;font-family:Calibri,Arial,Helvetica,sans-serif">
<p>What of parallel environment is required? like MPI, or something else?</p>
<p><br>
</p>
<p>I just want to make sure with that, only serial QE can run. Can we still run QE with 8 cores, not crossing nodes? Or that means I can only run QE with 1 core.</p>
<p><br>
</p>
<p>Tao</p>
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<hr style="display:inline-block;width:98%">
<div dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> <a href="mailto:pw_forum-bounces@pwscf.org" target="_blank">pw_forum-bounces@pwscf.org</a> <<a href="mailto:pw_forum-bounces@pwscf.org" target="_blank">pw_forum-bounces@pwscf.org</a>> on behalf of Paolo Giannozzi <<a href="mailto:p.giannozzi@gmail.com" target="_blank">p.giannozzi@gmail.com</a>><br>
<b>Sent:</b> Monday, September 12, 2016 2:52:36 PM<span class=""><br>
<b>To:</b> PWSCF Forum<br>
<b>Subject:</b> Re: [Pw_forum] can not install parallel run of QE</span></font>
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<div dir="ltr">
<div>It is explained in some detail in the user guide: "configure" did not detect your parallel environment, for one out 1001 possible reasons
<br>
<br>
</div>
Paolo<br>
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<div class="gmail_extra"><br>
<div class="gmail_quote">On Mon, Sep 12, 2016 at 9:49 PM, Yu, Tao <span dir="ltr">
<<a href="mailto:tyu@tntech.edu" target="_blank">tyu@tntech.edu</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr">
<div style="font-size:12pt;color:#000000;background-color:#ffffff;font-family:Calibri,Arial,Helvetica,sans-serif">
<p>Hi,</p>
<p><br>
</p>
<p>During the installation process, after running ./configure, it returned a piece of information,</p>
<p><br>
</p>
<p></p>
<div>Parallel environment not detected \(is this a parallel machine?\).\<br>
Configured for compilation of serial executables.<br>
</div>
<p></p>
<p><br>
</p>
<p>What happened there? Does this mean I can only run with 1CPU? How to fix that?</p>
<p><br>
</p>
<p>Many thanks,</p>
<p><br>
</p>
<p>Tao<br>
</p>
</div>
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<br>
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<div>Paolo Giannozzi, Dip. Scienze Matematiche Informatiche e Fisiche,<br>
Univ. Udine, via delle Scienze 208, 33100 Udine, Italy<br>
Phone <a href="tel:%2B39-0432-558216" value="+390432558216" target="_blank">+39-0432-558216</a>, fax <a href="tel:%2B39-0432-558222" value="+390432558222" target="_blank">+39-0432-558222</a><br>
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