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Re: [Starpu-devel] hwloc CUDA plugin missing


Chronologique Discussions 
  • From: Brice Goglin <Brice.Goglin@inria.fr>
  • To: Alfredo Buttari <alfredo.buttari@enseeiht.fr>, starpu-devel@lists.gforge.inria.fr
  • Subject: Re: [Starpu-devel] hwloc CUDA plugin missing
  • Date: Mon, 11 Feb 2019 10:21:16 +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>


Le 11/02/2019 à 10:16, Alfredo Buttari a écrit :
> I do not know if there is an easy way to figure out whether a GPU is
> closer to another GPU or to another core. As far as I understand this
> information (essentially the existence of an nvlink interconnect
> between GPUs) is not provided by hwloc.


Right, we're working on it but it's not available yet.

Brice






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