<div dir="ltr"><div>Dear Minkyu Park, <br></div><div><br></div><div>Thanks for your suggestion. <br></div><div><br></div><div>I was indeed able to reproduce the issue (example11 of wannier90):</div><div>1) Reference<br></div><div>mpirun -np 8 pw2wannier90.x -in silicon.pw2wan <br></div><div>mpirun -np 8 ../../wannier90.x silicon.win</div><div>Omega I = <b>20.717087947</b></div><div><br></div><div>2) fourier para<br></div><div>mpirun -np 8 pw2wannier90.x -nt 2 -in silicon.pw2wan <br></div><div>mpirun -np 8 ../../wannier90.x silicon.win</div><div>Omega I = <b>20.717087947</b></div><div><br></div><div>3) band para</div><div><div>mpirun -np 8 pw2wannier90.x -nb 2 -in silicon.pw2wan <br></div><div>mpirun -np 8 ../../wannier90.x silicon.win</div></div><div>Omega I = <b> -425.574563848</b></div><div><br></div><div>I therefore added an error message as you suggested and made a merge request to the GitLab of Quantum Espresso:</div><div><br></div><div><a href="https://gitlab.com/QEF/q-e/-/merge_requests/820">https://gitlab.com/QEF/q-e/-/merge_requests/820</a></div><div><br></div><div>Best wishes, <br></div><div>Samuel<br></div><div><br>-- <br><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><span><font color="#888888"><pre cols="72">------------------------------------------------------------------------------------------------
Dr. Samuel Poncé
Laboratory of theory and simulation of materials
Ecole polytechnique fédérale de Lausanne
Switzerland
Phone: <span>+41 21 693 50 10 </span><br> email: <a href="mailto:samuel.ponce@epfl.ch" target="_blank">samuel.ponce@epfl.ch</a>
web: <a href="https://people.epfl.ch/samuel.ponce/?lang=en" target="_blank">https://people.epfl.ch/samuel.ponce/?lang=en</a>
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