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Subject: Re: [OMPI users] LSF launch with OpenMPI
From: Matthieu Brucher (matthieu.brucher_at_[hidden])
Date: 2009-05-06 15:19:39

2009/5/6 Jeff Squyres <jsquyres_at_[hidden]>:
> On May 5, 2009, at 10:01 AM, Matthieu Brucher wrote:
>> > What Terry said is correct.  It means that "mpirun" will use, under the
>> > covers, the "native" launching mechanism of LSF to launch jobs (vs.,
>> > say,
>> > rsh or ssh).  It'll also discover the hosts to use for this job without
>> > the
>> > use of a hostfile -- it'll query LSF directly to see what hosts it
>> > should
>> > use.
>> OK, so I have to do something like:
>> bsub -n ${CPUS} mpirun myapplication
>> Is it what I think?
> I don't know what you think.  ;-)  But I think that your above command might
> be correct.  You want *1* copy of mpirun to execute.  Hence, if
> bsub -n ${CPUS} uptime
> launches ${CPUS} copies of uptime, then the above command is not correct.
>  You want to submit an ${CPUS} processor job to LSF and have *one* copy of
> "mpirun myapplication" run -- mpirun will then invoke the underlying stuff
> to launch ${CPUS} copies of myapplication and join them together into a
> single MPI job.
>> I've enclosed the configure output as well as the config.log. The
>> problem is that my LSF (I didn't install it) 7.0.3 need libbat to be
>> linked against llsbstream (I modified the configure script to add
>> -llsbstream, and it compiled).
> Huh!  Odd -- we didn't need that before.  Let me check with Platform...
> FWIW, you should be able to run like this without modifying configure:
>    ./configure LIBS=-llsbstream ....etc....
> That should add -llsbstream in the Right places.

Thanks, I'll try this (provided I'm able to run OpenMPI 1.3.2, I have
some strange errors I didn't get with 1.2.8)


Information System Engineer, Ph.D.
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