[QE-users] The pencil decomposition option

[Elio Physics]

Dear Professor Paulo

Thanks for your response.

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

>>> I have gathered that I misplaced the option. It works fine now.

Regards

________________________________
From: Paolo Giannozzi <paolo.giannozzi at uniud.it>
Sent: Wednesday, November 9, 2022 12:58 PM
To: Quantum ESPRESSO users Forum <users at lists.quantum-espresso.org>; Elio Physics <Elio-Physics at live.com>
Subject: Re: [QE-users] The pencil decomposition option

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
--
Paolo Giannozzi, Dip. Scienze Matematiche Informatiche e Fisiche,
Univ. Udine, via delle Scienze 208, 33100 Udine, Italy
Phone +39-0432-558216, fax +39-0432-558222
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