[Pw_forum] Problem arising in fc_10.0.023+mkl_9.1.023

Mahmoud Payami Shabestari mpayami at aeoi.org.ir
Thu Oct 11 20:45:30 CEST 2007

Dear Paolo,
Thank you very much. My question was a stupid one.

mahmoud payami

> pools work without any problem where properly implemented, but
> in some codes, pools are not implemented. More exactly: the
> parallelization over k-points (requiring partition of processors into
> the so-called pools) is not implemented. All codes call the same
> initialization routine that partitions processes into pools if required
> to do so with the appopriate command line option (-npool 2 for
> instance), but unless somebody has programmed how to partition
> the tasks and how to collect the results, pools will not work by
> themselves. The code "bands.x" stops if run with pools because
> unpredictable behavior may result. Apparently it doesn't stop in a
> gracious manner, but it manages anyway to spread the message
> why it is stopping.
> Paolo
> ---
> Paolo Giannozzi, Dept of Physics, University of Udine
> via delle Scienze 208, 33100 Udine, Italy
> Phone +39-0432-558216, fax +39-0432-558222
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