[Pw_forum] paralel calculations

Paolo Giannozzi giannozz at nest.sns.it
Mon May 24 10:46:00 CEST 2004


On Monday 24 May 2004 10:23, Dariusz Chrobak wrote:

> I would like to start 4 processes on  two (one-processor) computers.

the only reason to do this is to overcome memory limits

> I'm using MPICH-1.2.5.2 MPI implementation [...] The command:
>
> mpirun -np4 ../bin/pw.x -npool 2 < nmgs.in > nmgs.out
>
> starts my calculation and create the following PI#### file:
> [...]  What mean these numbers?

the PI#### files are created by MPI, not by PWscf

Paolo

-- 
Paolo Giannozzi             e-mail:  giannozz at nest.sns.it
Scuola Normale Superiore    Phone:   +39/050-509876, Fax:-563513 
Piazza dei Cavalieri 7      I-56126 Pisa, Italy



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