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[ Module Hierarchy | Class Hierarchy ]

# Class Hierarchy

- exceptions.BaseException: Common base class for all exceptions
  - exceptions.Exception: Common base class for all non-exit exceptions.
    - exceptions.StandardError: Base class for all standard Python exceptions that do not represent interpreter exiting.
      - exceptions.RuntimeError: Unspecified run-time error.
        - mpi4py.MPI.Exception: Exception
- mpi4py.MPI.Comm: Communicator
  - mpi4py.MPI.Intercomm: Intercommunicator
  - mpi4py.MPI.Intracomm: Intracommunicator
    - mpi4py.MPI.Topocomm: Topology intracommunicator
      - mpi4py.MPI.Cartcomm: Cartesian topology intracommunicator
      - mpi4py.MPI.Distgraphcomm: Distributed graph topology intracommunicator
      - mpi4py.MPI.Graphcomm: General graph topology intracommunicator
- mpi4py.MPI.Datatype: Datatype
- mpi4py.MPI.Errhandler: Error Handler
- mpi4py.MPI.File: File
- mpi4py.MPI.Group: Group
- mpi4py.MPI.Info: Info
- mpi4py.MPI.Message: Message
- mpi4py.MPI.Op: Op
- mpi4py.MPI.Request: Request
  - mpi4py.MPI.Grequest: Generalized request
  - mpi4py.MPI.Prequest: Persistent request
- mpi4py.MPI.Status: Status
- mpi4py.MPI.Win: Window
- mpi4py.MPI.memory: Memory