On Dec 15, 2010, at 6:55 , ac.rain at inbox.com wrote: > How to run one of the test programs with mpich2 ? mpirun -np 2 ../bin/pw.x -inp atom.in or mpiexec -n 2 ../bin/pw.x -inp atom.in --- Paolo Giannozzi, Dept of Chemistry&Physics, Univ. Udine via delle Scienze 208, 33100 Udine, Italy Phone +39-0432-558216, fax +39-0432-558222