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Re: [Starpu-devel] [Morse-devel] MPI tags limitation with Starpu


Chronologique Discussions 
  • From: Samuel Thibault <samuel.thibault@inria.fr>
  • To: Nathalie Furmento <nathalie.furmento@labri.fr>
  • Cc: Mathieu Faverge <mathieu.faverge@inria.fr>, starpu-devel@lists.gforge.inria.fr, Sameh Abdulah <sameh.abdulah@kaust.edu.sa>, morse-devel@lists.gforge.inria.fr
  • Subject: Re: [Starpu-devel] [Morse-devel] MPI tags limitation with Starpu
  • Date: Tue, 21 Feb 2017 11:54:23 +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>
  • Organization: I am not organized

Nathalie Furmento, on mar. 21 févr. 2017 11:46:30 +0100, wrote:
> Yes, for StarPU 1.2. However this is a internal mechanism, i am not sure
> the application should make any assumptions on how we handle MPI comms,
> and we may want to change it in futur releases depending on the MPI
> implementation.

Perhaps StarPU could provide a function that returns the proper TAG_UB
depending on how tags are handled?

Samuel




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