MPI is Simple

• Many parallel programs can be written using just these six functions, only two of which are non-trivial:

  • MPI_INIT
  • MPI_FINALIZE
  • MPI_COMM_SIZE
  • MPI_COMM_RANK
  • MPI_SEND
  • MPI_RECV

• Point-to-point (send/recv) isn’t the only way...

Notes: