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Subject: Re: [OMPI users] "almost there" in getting MPI to run
From: Ralph Castain (rhc_at_[hidden])
Date: 2011-12-15 09:37:20


What was your cmd line when you ran the job?

On Dec 15, 2011, at 7:09 AM, Joao Amaral wrote:

> Hi all,
>
> After trying cygwin and the windows build of Open MPI, I've now focused on using linux for my mpif90 code testing/development on my laptop.
>
> I've managed to install Open MPI, and it works, sort of.
>
> Strangely(?), in both my laptop and the cluster, the number of threads from the command
>
> call MPI_Comm_size ( MPI_COMM_WORLD, p, error )
>
> Results on only one active thread, when my laptop is a quad-core (should be 8 threads). The same happens running in the cluster, where each "blade" has 8 cores.
>
> What am I missing here? Is there more configuration to be done? Actually, can I manually set the number of working threads?
>
> Thanks for any help. I hope I'm "almost there".
>
> Joao
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