[Pw_forum] parallelization problem 3d plotting pp.x

Aldo Ugolotti a.ugolotti at campus.unimib.it
Mon Feb 15 14:19:16 CET 2016


The QE version is 5.1.2. I can add that the custom 3d plotting routine is
working also under mpirun environment but using only 1 processor.

Regards,

Aldo Ugolotti
Master thesis student
University of Milano-Bicocca

> Which version of the code? I remember a limitation to parallel execution
of
> pp.x in some cases (those requiring to perform FFT: the calculation could
> be done only in two steps, first by saving the required quantity to file
> and then by plotting it) but since I don't see any longer any reference to
> it, I guess it is no longer present
>
> PAolo
>
> On Fri, Feb 12, 2016 at 12:11 PM, Aldo Ugolotti <
a.ugolotti at campus.unimib.it
> wrote:
>
> Dear all,
> I have an issue when I try to generate a 3d .xsf output file with custom
> grid, say "output_format = 3". Running pp.x with the parallel environment
> it gets stuck at some point and i get no output. Please notice that
without
> parallel environment the code is working well, but I wanted to ask your
> opinions to know if there is a way to solve this and speed up the
> calculation.
>
> Regards,
>
> Aldo Ugolotti
> Master thesis student
> University of Milano-Bicocca
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