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[Starpu-devel] mpi_isend_detached / mpi_irecv_detached with starpu-trunk with tag


Chronologique Discussions 
  • From: Jean-Marie Couteyen <jean-marie.couteyen@inria.fr>
  • To: starpu-devel@lists.gforge.inria.fr
  • Subject: [Starpu-devel] mpi_isend_detached / mpi_irecv_detached with starpu-trunk with tag
  • Date: Thu, 26 Feb 2015 10:08:30 +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,

it seems that tag are no longer taken into account for communication when calling "starpu_mpi_isend_detached" / "starpu_mpi_irecv_detached" with the trunk version.
A magical value (_STARPU_MPI_TAG_DATA) replace the tag given when StarPU calls Isend (_starpu_mpi_isend_data_func:327)

I do rely on tags to make my communications on my application (multiple isend_detached/irecv_detached identified by tags) and I can't see a way to do them without it.
Is there a good reason to override the given tag ?

Regards,
Jean-Marie Couteyen




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