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Subject: Re: [OMPI users] trouble using openmpi under slurm
From: Ralph Castain (rhc_at_[hidden])
Date: 2010-07-07 15:27:53

You'll get passionate advocates from all the various resource managers - there really isn't a right/wrong answer. Torque is more widely used, but any of them will do.

None are perfect, IMHO.

On Jul 7, 2010, at 1:16 PM, 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?
> Suggestions appreciated,
> Douglas.
> --
> Douglas Guptill voice: 902-461-9749
> Research Assistant, LSC 4640 email: douglas.guptill_at_[hidden]
> Oceanography Department fax: 902-494-3877
> Dalhousie University
> Halifax, NS, B3H 4J1, Canada
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