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Re: [Starpu-devel] status of MPI distribution


Chronologique Discussions 
  • From: Samuel Thibault <samuel.thibault@inria.fr>
  • To: Malcolm Roberts <malcolm.i.w.roberts@gmail.com>
  • Cc: starpu-devel@lists.gforge.inria.fr
  • Subject: Re: [Starpu-devel] status of MPI distribution
  • Date: Mon, 9 Nov 2015 11:52:29 +0100
  • List-archive: <http://lists.gforge.inria.fr/pipermail/starpu-devel/>
  • List-id: "Developers list. For discussion of new features, code changes, etc." <starpu-devel.lists.gforge.inria.fr>

Hello,

Malcolm Roberts, on Mon 09 Nov 2015 11:45:42 +0100, wrote:
> Can StarPU divide the DAG between MPI processes on its own?

Not yet.

> If this is not currently the case, is this a planned feature for
> StarPU?

It is planned in relatively close future, yes. This will however
be a master-slave scheme, and thus tasks should be big enough for
the overhead to stay neglectible. We have ideas about decentralized
distribution, but that's only dreams for now :)

Samuel




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