Program PWSCF v.6.3 starts on  4Feb2019 at 11:59:30 

     This program is part of the open-source Quantum ESPRESSO suite
     for quantum simulation of materials; please cite
         "P. Giannozzi et al., J. Phys.:Condens. Matter 21 395502 (2009);
         "P. Giannozzi et al., J. Phys.:Condens. Matter 29 465901 (2017);
          URL http://www.quantum-espresso.org", 
     in publications or presentations arising from this work. More details at
     http://www.quantum-espresso.org/quote

     Parallel version (MPI), running on    16 processors

     MPI processes distributed on     1 nodes
     R & G space division:  proc/nbgrp/npool/nimage =      16
     wavefunctions fft division:  Y-proc x Z-proc =       4      4
     wavefunctions fft division:  task group distribution
                                  #TG    x Z-proc =       4      4