[slurm-users] How to implement job arrays with distribution=cyclic

[Eli V]

SelectTypeParameters=CR_LLN will do this automatically for all jobs
submitted to the cluster. Not sure if that's an acceptable solution for you.

On Wed, Dec 12, 2018 at 11:54 AM Roger Moye <rmoye at quantlab.com> wrote:

>
>
> I have a user who wants to control how job arrays are allocated to
> nodes.   He wants to mimic a cyclic distribution, basically round-robin
> assignment of each job within the array.   That is, array element 1 as
> assigned to node 1, element 2 to node 2, and so on until there is an
> element running on each node.   Then the next element goes on node 1 and
> the whole thing repeats until all of the array elements are running or the
> nodes are full.
>
>
>
> So it looks like –distribution=cyclic is what we need but we need this
> applied to the node assignments for a job array.
>
>
>
> Is there a way to accomplish this?   Without this, node 1 fills up first
> before any cores on node 2 are assigned.
>
>
>
> Thanks in advance!
>
> -Roger
>
>
>
>
>
> [image: cid:image001.png at 01D22319.C7D5D540]
>
> Roger Moye
>
> HPC Engineer
>
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>
> 713.898.0021 Mobile
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>
>
> QUANTLAB Financial, LLC
>
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>
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>
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