<div dir="ltr"><div class="gmail_default" style="font-family:tahoma,sans-serif">Hi,</div><div class="gmail_default" style="font-family:tahoma,sans-serif">I have installed QE via yum (epel), but it seems that pw.x runs the serial version.</div><div class="gmail_default" style="font-family:tahoma,sans-serif"><br></div><div class="gmail_default" style="font-family:tahoma,sans-serif">$ pw.x --hrlp<br><br>     Program PWSCF v.6.4.1 starts on 10Dec2019 at 18:46:25<br><br>     This program is part of the open-source Quantum ESPRESSO suite<br>     for quantum simulation of materials; please cite<br>         "P. Giannozzi et al., J. Phys.:Condens. Matter 21 395502 (2009);<br>         "P. Giannozzi et al., J. Phys.:Condens. Matter 29 465901 (2017);<br>          URL <a href="http://www.quantum-espresso.org">http://www.quantum-espresso.org</a>",<br>     in publications or presentations arising from this work. More details at<br>     <a href="http://www.quantum-espresso.org/quote">http://www.quantum-espresso.org/quote</a><br><br>     Serial version<br>     Waiting for input...</div><div class="gmail_default" style="font-family:tahoma,sans-serif"><br></div><div class="gmail_default" style="font-family:tahoma,sans-serif"><br></div><div class="gmail_default" style="font-family:tahoma,sans-serif"><br></div><div class="gmail_default" style="font-family:tahoma,sans-serif">The installed packages are</div><div class="gmail_default" style="font-family:tahoma,sans-serif"><br></div><div class="gmail_default" style="font-family:tahoma,sans-serif">$ yum list quantum*<br>Installed Packages<br>quantum-espresso.x86_64                                         6.4.1-1.el7                          @epel<br>quantum-espresso-openmpi.x86_64                                 6.4.1-1.el7                          @epel<br>quantum-espresso-openmpi-devel.x86_64                           6.4.1-1.el7                          @epel<br>quantum-espresso-openmpi-static.x86_64                          6.4.1-1.el7                          @epel<br>quantum-espresso-static.x86_64                                  6.4.1-1.el7                          @epel<br>Available Packages<br>quantum-espresso-devel.x86_64                                   6.4.1-1.el7                          epel<br>quantum-espresso-mpich.x86_64                                   6.4.1-1.el7                          epel<br>quantum-espresso-mpich-devel.x86_64                             6.4.1-1.el7                          epel<br>quantum-espresso-mpich-static.x86_64                            6.4.1-1.el7                          epel<br></div><div class="gmail_default" style="font-family:tahoma,sans-serif"><br></div><div class="gmail_default" style="font-family:tahoma,sans-serif"><br></div><div class="gmail_default" style="font-family:tahoma,sans-serif"><br></div><div class="gmail_default" style="font-family:tahoma,sans-serif">Any thought?</div><div class="gmail_default" style="font-family:tahoma,sans-serif"><br></div><div class="gmail_default" style="font-family:tahoma,sans-serif"><br></div><div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><font face="tahoma,sans-serif">Regards,<br>Mahmood</font><br><br><br></div></div></div></div>