[QE-users] The pencil decomposition option

[Paolo Giannozzi]

On 11/9/22 15:07, Elio Physics wrote:

>    there are processes with no planes. Use pencil decomposition (-pd .true.)
> 
> How do I tell the code to use the pencil decomposition? I have tried 
> adding -pd to the 'mpirun' an adding use_pd=.true. in the PW inout but 
> in vain.

-pd .true. is a command-line option of the code, not of mpirun, so:
    mpirun [options] pw.x -pd .true. [other options]

Paolo
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Paolo Giannozzi, Dip. Scienze Matematiche Informatiche e Fisiche,
Univ. Udine, via delle Scienze 208, 33100 Udine, Italy
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