On Mar 16, 2012, at 19:14 , Elie M wrote: > I am running phonon calculations for a supercell of 60 atoms at the > gamma point [...] > What could the possible causes of this slowness be? Is it something > to do with the > nodes or with phonon calculations in general? Is there a way to check?
> a phonon calculation for N atoms requires a CPU time of the order of 3N the time of the correspoding scf calculation. Does yours? if it does, there is nothing that can be done. P. --- Paolo Giannozzi, Dept of Chemistry&Physics&Environment, Univ. Udine, via delle Scienze 208, 33100 Udine, Italy Phone +39-0432-558216, fax +39-0432-558222
