<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN">
<html><body style='font-size: 10pt'>
<p>Dear Paolo,</p>
<p>Apologies, I should have checked for an example first. I appear to have it working now.</p>
<p>Many thanks,</p>
<p>Michael</p>
<p> </p>
<p>On 2019-11-19 17:16, Paolo Giannozzi wrote:</p>
<blockquote type="cite" style="padding-left:5px; border-left:#1010ff 2px solid; margin-left:5px"><!-- html ignored --><!-- head ignored --><!-- meta ignored -->
<div dir="ltr">
<div>That paper is 11 years old. There is an example of grid phonon calculation in the examples of the phonon code. Please have a look and try that one first (report if ti doesn't work)</div>
<div> </div>
<div>Paolo</div>
</div>
<br />
<div class="gmail_quote">
<div class="gmail_attr" dir="ltr">On Tue, Nov 19, 2019 at 5:24 PM M.J. Hutcheon <<a href="mailto:mjh261@cam.ac.uk">mjh261@cam.ac.uk</a>> wrote:</div>
<blockquote class="gmail_quote" style="margin: 0px 0px 0px 0.8ex; border-left: 1px solid #cccccc; padding-left: 1ex;"><span style="text-decoration: underline;"></span>
<div style="font-size: 10pt;">
<p>Dear Q.E community,</p>
<p>I have been attempting to parallelize an electron-phonon calculations using irreducible representations as described in</p>
<p><a href="http://users.ictp.it/~pub_off/lectures/lns024/10-giannozzi/10-giannozzi.pdf">http://users.ictp.it/~pub_off/lectures/lns024/10-giannozzi/10-giannozzi.pdf</a></p>
<p>However, my grid setup step with start_irr=0 and last_irr=0 produces no output and appears to stop early.</p>
<p>Input file:</p>
<p> </p>
<p>&INPUTPH<br />outdir='.',<br />trans=.true.,<br />ldisp=.true.,<br />nq1=1,<br />nq2=1,<br />nq3=1,<br />start_irr=0,<br />last_irr=0,<br />fildvscf='elph_vscf',<br />electron_phonon='interpolated',<br />/</p>
<p>Output file:</p>
<p>Normal up to printing of the q-points to be calculated, but then just stops abruptly before printing anything about the representations to be done. The last few lines look like:</p>
<p>Dynamical matrices for ( 1, 1, 1) uniform grid of q-points<br /> ( 1 q-points):<br /> N xq(1) xq(2) xq(3) <br /> 1 0.000000000 0.000000000 0.000000000</p>
<p>Weirdly, I had it working for the same system not too long ago, but it is no longer producing the necessary files in _ph0/pwscf.phsave/ directory. I've tried a few compilers/versions of q-e (including the developer version)/combinations of input parameters with the same results.</p>
<p>Have I made a stupid mistake / has anyone had these problems before?</p>
<p>Thanks for your time,</p>
<p>Michael</p>
<div> </div>
</div>
_______________________________________________<br /> Quantum ESPRESSO is supported by MaX (<a href="http://www.max-centre.eu/quantum-espresso">www.max-centre.eu/quantum-espresso</a>)<br /> users mailing list <a href="mailto:users@lists.quantum-espresso.org">users@lists.quantum-espresso.org</a><br /> <a href="https://lists.quantum-espresso.org/mailman/listinfo/users">https://lists.quantum-espresso.org/mailman/listinfo/users</a></blockquote>
</div>
<br clear="all" /><br />-- <br />
<div class="gmail_signature" dir="ltr">
<div dir="ltr">
<div>
<div dir="ltr">
<div>Paolo Giannozzi, Dip. Scienze Matematiche Informatiche e Fisiche,<br />Univ. Udine, via delle Scienze 208, 33100 Udine, Italy<br />Phone +39-0432-558216, fax +39-0432-558222<br /><br /></div>
</div>
</div>
</div>
</div>
<br />
<pre>_______________________________________________
Quantum ESPRESSO is supported by MaX (<a href="http://www.max-centre.eu/quantum-espresso">www.max-centre.eu/quantum-espresso</a>)
users mailing list <a href="mailto:users@lists.quantum-espresso.org">users@lists.quantum-espresso.org</a>
<a href="https://lists.quantum-espresso.org/mailman/listinfo/users">https://lists.quantum-espresso.org/mailman/listinfo/users</a>
</pre>
</blockquote>
<p> </p>
<div> </div>
</body></html>