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Subject: Re: [OMPI users] OPenMpi: How to specify login name in machinefile passed to mpirun
From: Ralph Castain (rhc_at_[hidden])
Date: 2010-03-10 09:46:11

It is the exact same syntax inside of the machinefile:

user1_at_machine1 slots=4
user2_at_machine2 slots=3

On Mar 10, 2010, at 5:41 AM, Olivier Riff wrote:

> Hello,
> I am using openmpi on several machines which have different user accounts and I cannot find a way to specify the login for each machine in the machinefile passed to mpirun.
> The only solution I found is to use the -host argument of mpirun, such as:
> mpirun -np 2 --host user1_at_machine1,user2_at_machine2 MyProgram
> which is very inconvenient with a lot of machines.
> Is there a way to do the same using a machinefile text? :
> mpirun -np 2 -machinefile machinefile.txt MyProgram
> I cannot find the appropriate syntax for specifying a user in machinefile.txt...
> Thanks in advance,
> Olivier
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