[Pw_forum] image parallelization for phonon calculations

Paolo Giannozzi giannozz at democritos.it
Sat Nov 12 09:35:06 CET 2011

On Nov 11, 2011, at 23:22 , IYAD AL-QASIR wrote:

> Hello All,
> I am trying to perform in parallel phonon calculations  using ph.x.
> I used the command
> mpiexec -np 12 ./ph.x -nimage 3 -npool 2 <input.in> input.ph.out
> but I got the message the "image parallelization is not permitted"

$ grep 'image parallelization is not permitted' ~/CVS/espresso/*/*f90
(nothing found)

$ grep 'image parallelization' ~/CVS/espresso/*/*f90
/home/giannozz/CVS/espresso/PH/phq_readin.f90:     'elph with image  
parallelization is not yet available',1)

Is the above one the exact message you get?

Paolo Giannozzi, Dept of Chemistry&Physics&Environment,
Univ. Udine, via delle Scienze 208, 33100 Udine, Italy
Phone +39-0432-558216, fax +39-0432-558222

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