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Subject: Re: [OMPI users] openmpi's mpi_comm_spawn integrated with sge?
From: Terry Dontje (terry.dontje_at_[hidden])
Date: 2011-01-25 06:32:03


On 01/25/2011 02:17 AM, Will Glover wrote:
> Hi all,
> I tried a google/mailing list search for this but came up with nothing, so here goes:
>
> Is there any level of automation between open mpi's dynamic process management and the SGE queue manager?
> In particular, can I make a call to mpi_comm_spawn and have SGE dynamically increase the number of slots?
> This seems a little far fetched, but it would be really useful if this is possible. My application is 'restricted' to coarse-grain task parallelism and involves a work load that varies significantly during runtime (between 1 and ~100 parallel tasks). Dynamic process management would maintain an optimal number of processors and reduce idling.
>
> Many thanks,
This is an interesting idea but no integration has been done that would
allow an MPI job to request more slots.

-- 
Oracle
Terry D. Dontje | Principal Software Engineer
Developer Tools Engineering | +1.781.442.2631
Oracle *- Performance Technologies*
95 Network Drive, Burlington, MA 01803
Email terry.dontje_at_[hidden] <mailto:terry.dontje_at_[hidden]>



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