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<div class="moz-cite-prefix">your cutoff (25 Ry) is quite low,
you will likely want to increase it and in this case the problem
could disappear. <br>
</div>
<div class="moz-cite-prefix"><br>
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<div class="moz-cite-prefix">If you want to use this cutoff with the
same number of MPI tasks, you could instead use more pools, <br>
</div>
<div class="moz-cite-prefix">use the command option -nk <br>
</div>
<div class="moz-cite-prefix">e.g. <br>
</div>
<div class="moz-cite-prefix"><br>
</div>
<div class="moz-cite-prefix">pw.x -nk 2 <br>
</div>
<div class="moz-cite-prefix">or</div>
<div class="moz-cite-prefix"> pw.x -nk 4 <br>
</div>
<div class="moz-cite-prefix"><br>
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<div class="moz-cite-prefix">Pietro <br>
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<div class="moz-cite-prefix">On 7/2/21 5:44 PM, Rutika Savaliya
wrote:<br>
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<blockquote type="cite"
cite="mid:YQXPR01MB56177F1AD4CDD0B1F62DA399D71F9@YQXPR01MB5617.CANPRD01.PROD.OUTLOOK.COM">
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<div dir="ltr" style="color: rgb(0, 0, 0); background-color:
rgb(255, 255, 255);">
Thank You for the response.</div>
<div dir="ltr" style="color: rgb(0, 0, 0); background-color:
rgb(255, 255, 255);">
Can I know how can I tackle this issue</div>
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<div style="color: rgb(33, 33, 33); background-color: rgb(255,
255, 255); text-align: left;" dir="auto">
Rutika Savaliya</div>
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<hr style="display:inline-block;width:98%" tabindex="-1">
<div id="divRplyFwdMsg" dir="ltr"><font style="font-size:11pt"
face="Calibri, sans-serif" color="#000000"><b>From:</b> users
<a class="moz-txt-link-rfc2396E" href="mailto:users-bounces@lists.quantum-espresso.org"><users-bounces@lists.quantum-espresso.org></a> on behalf of
Paolo Giannozzi <a class="moz-txt-link-rfc2396E" href="mailto:p.giannozzi@gmail.com"><p.giannozzi@gmail.com></a><br>
<b>Sent:</b> Friday, July 2, 2021 10:56:36 AM<br>
<b>To:</b> Quantum ESPRESSO users Forum
<a class="moz-txt-link-rfc2396E" href="mailto:users@lists.quantum-espresso.org"><users@lists.quantum-espresso.org></a><br>
<b>Subject:</b> Re: [QE-users] Relaxation of W2N Error</font>
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<div dir="ltr">
<div dir="ltr">On Fri, Jul 2, 2021 at 4:45 PM Rutika Savaliya
<<a href="mailto:rutika.savaliya@mail.mcgill.ca"
target="_blank" moz-do-not-send="true">rutika.savaliya@mail.mcgill.ca</a>>
wrote:</div>
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<div class="x_gmail_quote">
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0.8ex; border-left:1px solid rgb(204,204,204);
padding-left:1ex">
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<div> Parallel version (MPI), running on 192
processors</div>
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0.8ex; border-left:1px solid rgb(204,204,204);
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font-size:12pt; color:rgb(0,0,0)">
<span><span>
<div> Error in routine n_plane_waves (1):</div>
</span></span><span><span></span></span><span><span>
<div> No plane waves found: running on too
many processors?<br clear="all">
</div>
</span></span></div>
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<div>The answer is "yes, running on too many processors" <br>
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<div><br>
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<div>Paolo<br>
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-- <br>
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<div>Paolo Giannozzi, Dip. Scienze Matematiche
Informatiche e Fisiche,<br>
Univ. Udine, via delle Scienze 206, 33100 Udine,
Italy<br>
Phone +39-0432-558216, fax +39-0432-558222<br>
<br>
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<pre class="moz-quote-pre" wrap="">_______________________________________________
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