On Nov 18, 2009, at 3:24 , Jiaye Li wrote: > I am wondering if openmpi is compatible with pwscf? PWscf is compatible with all MPI implementations (as long as they work) P. --- Paolo Giannozzi, Dept of Physics, University of Udine via delle Scienze 208, 33100 Udine, Italy Phone +39-0432-558216, fax +39-0432-558222