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MPI: Difference between revisions
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More Python (mpi4py)
m (More Python (mpi4py) examples) |
m (More Python (mpi4py)) |
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MPI_Init(ierr) | MPI_Init(ierr) | ||
INTEGER, OPTIONAL, INTENT(OUT) :: ierr | INTEGER, OPTIONAL, INTENT(OUT) :: ierr | ||
</source> | |||
</tab> | |||
<tab name="Python (mpi4py)"> | |||
<source lang="Python"> | |||
# importing automatically initializes MPI with mpi4py | |||
MPI.Init() | |||
</source> | </source> | ||
</tab> | </tab> | ||
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INTEGER, OPTIONAL, INTENT(OUT) :: ierr | INTEGER, OPTIONAL, INTENT(OUT) :: ierr | ||
</source> | </source> | ||
</tab> | |||
<tab name="Python (mpi4py)"> | |||
<source lang="Python"> | |||
# mpi4py installs a termination hook so there is no need to explicitly call MPI.Finalize. | |||
MPI.Finalize() | |||
</source> | |||
</tab> | </tab> | ||
</tabs> | </tabs> | ||
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INTEGER, INTENT(OUT) :: rank | INTEGER, INTENT(OUT) :: rank | ||
INTEGER, OPTIONAL, INTENT(OUT) :: ierr | INTEGER, OPTIONAL, INTENT(OUT) :: ierr | ||
</source> | |||
</tab> | |||
<tab name="Python (mpi4py)"> | |||
<source lang="python"> | |||
MPI.Intracomm.Get_rank(self) | |||
MPI.Intracomm.Get_size(self) | |||
</source> | </source> | ||
</tab> | </tab> | ||