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Subject: Re: [OMPI users] Scheduling dynamically spawned processes
From: Ralph Castain (rhc_at_[hidden])
Date: 2011-05-13 20:16:17


I believe I answered that question. You can use the hostfile info key, or you can use the host info key - either one will do what you require.

On May 13, 2011, at 4:11 PM, Rodrigo Silva Oliveira wrote:

> Hi,
>
> I think I was not specific enough. I need to spawn the copies of a process in a unique mpi_spawn call. It is, I have to specify a list of machines and how many copies of the process will be spawned on each one. Is it possible?
>
> I would be something like that:
>
> machines #copies
> m1 1
> m2 3
> m3 1
>
> After an unique call to spawn, I want the copies running in this fashion. I tried use a hostfile with the option slot, but I'm not sure if it is the best way.
>
> hostfile:
>
> m1 slots=1
> m2 slots=3
> m3 slots=1
>
> Thanks
>
> --
> Rodrigo Silva Oliveira
> M.Sc. Student - Computer Science
> Universidade Federal de Minas Gerais
> www.dcc.ufmg.br/~rsilva
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