Completion

• MPI_Test

  • Nonblocking test for the completion of a nonblocking operation

• MPI_Wait

  • Blocking test

• MPI_Testall, MPI_Waitall

  • For all in a collection of requests

• MPI_Testany, MPI_Waitany

• MPI_Testsome, MPI_Waitsome

• MPI_Cancel (MPI_Test_cancelled)

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