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On Wed, 9 May 2012, Jiri Polach wrote:
> Dear all,
> is "-np N" parameter needed for mpirun when running jobs under SGE
> environment? All examples in
> show that "-np N" is used, but in my opinion it should be redundant: mpirun
> should determine all parameters from SGE environment anyway. If there is "no
> need to specify what nodes to run on" (as stated in FAQ), it should not be
> necessary to specify the number of processors either.
> I ran some tests and it seems that mpirun correctly gets number of processors
> from SGE, but I would like to have some more solid confirmation.
You might want to use a smaller number of processors than those made
available by SGE.
PhD/MSc Mechanical Engineering | Lic. Aerospace Engineering
Computational Fluid Dynamics, High Performance Computing, Turbulence
Cultural Instigator @ Rádio Zero
contacts: gtalk: kyriusan_at_[hidden] skype: kyriusan
Ricardo J.N. dos Reis
IDMEC, Instituto Superior Técnico, Technical University of Lisbon
Av. Rovisco Pais
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