[Pw_forum] strange behavior of npool + nscf output

Gabriele Sclauzero sclauzer at sissa.it
Wed Jul 21 09:28:51 CEST 2010


On 07/20/2010 06:04 PM, Daniel Forrer wrote:
> Dear Gabriele,
> thank you for your prompt answer.
> Indeed, we set verbosity = 'high'.
> It was a little confusing to us that this line was present only for a 
> subset of k-points.

I see. You are right, maybe this kind of printout should be modified in 
order to take into account the case with npool > 1, for the sake of 
completeness (and to avoid confusing users).

Regards,

Gabriele

>
> regards
> Daniel and Luca
>
>
>
> 2010/7/20 Gabriele Sclauzero <sclauzer at sissa.it 
> <mailto:sclauzer at sissa.it>>
>
>
>     Have you set verbosity='high' in the input? If so, I think this is
>     the expected behavior of the code. When running in parallel,
>     however, I suspect that only the IO node prints this information,
>     so that's why you don't see this printout for all the k-points but
>     only for those assigned to the first pool. Anyway, this should not
>     affect the results in any way.
>
>     HTH
>
>     GS
>
>     Il giorno 20/lug/2010, alle ore 17.18, Daniel Forrer ha scritto:
>
>>     Dear all,
>>     in the output file of the nscf run, using npool > 1
>>     the line of the type:
>>     "Computing kpt #:    xx"
>>     are printed only for a few k-points, precisely from kpt=1 to
>>     kpt=(total kpt)/npool
>>     we checked that the nscf run computes actually the whole set of
>>     k-points, so that it is only a matter of the textual output.
>>
>>     kind regards
>>
>>     Daniel Forrer (Università di Padova)
>>     Luca Sementa (IPCF-CNR Pisa)
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>
>
>     § Gabriele Sclauzero, EPFL SB ITP CSEA
>     /   PH H2 462, Station 3, CH-1015 Lausanne/
>
>
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>
>
>
> -- 
>  ----------------------------------
>
>   Daniel Forrer
>   Dipartimento di Scienze Chimiche
>   Università degli Studi di Padova
>   V. Marzolo 1, Padova
>   mail daniel.forrer at unipd.it <mailto:daniel.forrer at unipd.it>
>   tel.   +39 049 8275166
>
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-- 

Gabriele Sclauzero, EPFL SB ITP CSEA
PH H2 462, Station 3, CH-1015 Lausanne

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