[Pw_forum] error: nb less than number of procs

Paolo Giannozzi p.giannozzi at gmail.com
Tue May 24 14:24:16 CEST 2016


nb is related to the number of bands, not necessarily equal to it. Anyway:
it means that linear-algebra operations such as conventional
diagonalization or iterative orthonormalization are parallelized  on too
many processors (-nd N)

Paolo

On Tue, May 24, 2016 at 11:23 AM, Pascal Boulet <pascal.boulet at univ-amu.fr>
wrote:

> Dear all,
>
> we have a crash with the message: error in routine blk2cyc_redist(1): nb
> less than the number of proc.
>
> What is nb? Is it the number of electronic bands (nbnd)?
>
> Best regards
> Pascal
>
> --
> Pascal Boulet *- MCF HDR, Resp. L1 MPCI - DEPARTEMENT CHIMIE*
> Aix-Marseille Université - ST JEROME - Avenue Escadrille Normandie Niemen
> - 13013 Marseille
> Tél: +33(0)4 13 55 18 10 - Fax : +33(0)4 13 55 18 50
> Site : http://allos.up.univ-mrs.fr/pascal - Email :
> pascal.boulet at univ-amu.fr
> *Afin de respecter l'environnement, merci de n'imprimer cet email que si
> nécessaire.*
>
>
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-- 
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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