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Notes 2020 05 07

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Marc-Andre Hermanns edited this page May 8, 2020 · 2 revisions

Meeting 2020-05-07

Participants

  • Bengisu Elis
  • Marc-Andre Hermanns
  • Michael Knobloch
  • Kathryn Mohror
  • Joachim Protze
  • Martin Schulz

Topics

MPI_T Object Binding clarification

  • Needs to be clear whether the handle or the object is invalid
    • MPI_COMM_WORLD is a valid handle, but the object is uninitialized before MPI_Init
    • Would need to cover the world model and the session model
  • Difficult to capture all cases of invalid and uninitialized in a single expression
    • Maybe easier to capture the valid use cases?

Suggested Wording:

A user can only bind to a handle that is valid to use as input argument to another MPI call (except calls to the MPI Tool Information Interface) at the same state of execution.

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