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Subject: Re: [OMPI users] trouble using openmpi under slurm
From: Gus Correa (gus_at_[hidden])
Date: 2010-07-08 09:43:48


Douglas Guptill wrote:
> On Wed, Jul 07, 2010 at 12:37:54PM -0600, Ralph Castain wrote:
>
>> No....afraid not. Things work pretty well, but there are places
>> where things just don't mesh. Sub-node allocation in particular is
>> an issue as it implies binding, and slurm and ompi have conflicting
>> methods.
>>
>> It all can get worked out, but we have limited time and nobody cares
>> enough to put in the effort. Slurm just isn't used enough to make it
>> worthwhile (too small an audience).
>
> I am about to get my first HPC cluster (128 nodes), and was
> considering slurm. We do use MPI.
>
> Should I be looking at Torque instead for a queue manager?
>
Hi Douglas

Yes, works like a charm along with OpenMPI.
I also have MVAPICH2 and MPICH2, no integration w/ Torque,
but no conflicts either.

My $0.02.
Gus Correa

> Suggestions appreciated,
> Douglas.