lihm wrote: > However, I found that the walltime is too long for parallel calculations: > > PWSCF : 1m 4.86s CPU time, 32m53.67s wall time
unless you have really slow communications between CPUs, the only reason that can lead to such a "speedown" is heavy I/O via the network (e.g. NFS-mounted disks) Paolo -- Paolo Giannozzi, Democritos and University of Udine, Italy
