[gridengine users] recommended configuration for hybrib mpi+openmp jobs?

Pablo Escobar pescobar001 at gmail.com
Wed Jul 10 13:04:41 UTC 2013


thanks for the information Brian. I will give it a try  :)

2013/7/8 Brian Smith <brs at usf.edu>:
> I have a tool I wrote for configuring GridEngine PEs for this sort of
> purpose: https://github.com/brlindblom/gepetools
>
> It provides the requestable complex resources
>
> pcpus     # default is fill_up... can change to round-robin if desired
> ppn & nodes  # allows processer & node requests
>
> for requesting parallel resources.  It maps PEs to defined host groups.  We
> use this since our host groups tend to map to different interconnect
> fabrics.
>
> With the jsv in place, you simply need to submit a job with
>
> -l nodes=x,ppn=y
>
> in order to get the type of allocation you are looking for.  Then, its up to
> your MPI runtime and openmp environment variables to figure out how to
> distribute the processes.
>
> Not sure if it would be useful for you.
>
>
> On Thu, Jul 4, 2013 at 11:23 AM, Pablo Escobar <pescobar001 at gmail.com>
> wrote:
>>
>> nobody in the list uses this kind of configuration?
>>
>>
>> 2013/6/28 Pablo Escobar <pescobar001 at gmail.com>
>>>
>>> Hi,
>>>
>>> I would like to run in my OGS cluster some hybrid mpi+openmp jobs. I want
>>> that one mpi process runs in each computing node and each of this mpi
>>> processes launches X openmp threads in the local machine.
>>>
>>> I have seen some people is already doing this but it seems each person
>>> uses a different approach and I couldn't find any detailed documentation
>>> about the recommended configuration for OGS.
>>>
>>> Could anyone point me to some documentation about this? Or post some
>>> examples of a recommended/working OGS configuration for this kind of hybrid
>>> jobs?  I suppose the interesting thing would be to see the parallel
>>> environments and consumable resources/complex values configuration.
>>>
>>> thanks in advance for any help.
>>> regards,
>>> Pablo.
>>>
>>>
>>
>>
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>
>
>
> --
> Brian Smith
> Assistant Director
> Research Computing, University of South Florida
> 4202 E. Fowler Ave. SVC4010
> Office Phone: +1 813 974-1467
> Organization URL: http://rc.usf.edu


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