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Subject: Re: [OMPI users] open mpi on smp
From: Jozef Káèer (quickparser_at_[hidden])
Date: 2008-04-16 08:32:58

I think that in pure OpenMPI environment (without any resorce manager) you
should be able to run applications like this:

mpirun -np 2 mpi_executable
mpirun -np 4 -machinefile machines.list mpi_executable

where machines.list contains a list of your computers identified by their
host names.
The former command should run the program locally on 2 processors/cores, the
one on those specified in the list.


On Tue, Apr 15, 2008 at 6:38 PM, Cally K <kalpana0611_at_[hidden]> wrote:

> hi, am beginner in openmpi
> could anyone tell me how do i run programs in open mpi on smp.. as in do I
> have to do any changes in hostfile ... like in mpich -- I write
> server:2
> how do I do it openmpi
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