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Subject: Re: [OMPI devel] mpirun options in the MPMD model
From: Ralph Castain (rhc_at_[hidden])
Date: 2010-11-09 10:39:51

On Nov 9, 2010, at 8:22 AM, nadia.derbey wrote:

> Hi list,
> Can someone give me an exhaustive list of the options that can be used
> for any single binary when calling mpirun for the mpmd model, vs those
> that are global to the job? I couldn't find it anywhere.

I don't think such a list exists.

> For example, --hostfile can be specified for each binary in the job,
> while it looks like --output-filename is global to the job: even if it
> is given on any single line of an application context, with different
> values, the last value is the one that is actually taken as an output
> file prefix.

Yes, but remember that the output-filename value is used as a base, and the rank is appended to it. So each process gets its own file. That is why it is a "global" option.

> Regards,
> Nadia
> --
> nadia.derbey <Nadia.Derbey_at_[hidden]>
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