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Subject: Re: [OMPI users] Running Open MPI on Ethernet
From: Ralph Castain (rhc_at_[hidden])
Date: 2008-08-08 12:56:52


You might want to peruse the Open MPI FAQ area:

http://www.open-mpi.org/faq/

Particularly:

http://www.open-mpi.org/faq/?category=running

and

http://www.open-mpi.org/faq/?category=rsh

On Aug 8, 2008, at 10:50 AM, Rayne wrote:

>> If you have other machines on the network, you have to
>> configure them
>> such that you can start remote processes on them.
>> When you use "mpirun" to launch your MPI code you
>> need to give the names
>> of those machines as a parameter to mpirun - it is known as
>> a "machines
>> file".
>>
>> John Hearns
>
> Do I put the IP addresses of machines I want to use in the machine
> file? And do I need to use the machine file everytime I run the MPI
> program?
>
> Regards,
> Rayne
>
>
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