Initialize options.

Initialize sequential execution. Args: comm: Intracommunicator context. tag: Tag for point-to-point communication.

Initialize global counter. Args: start: Start value. step: Increment value. typecode: Type code as define

Initialize mutex object. Args: comm: Intracommunicator context. recursive: Whether to allow recursive acquisition.

Initialize condition variable. Args: mutex: Mutual exclusion object. recursive: Whether to allow recursive acquisitio

Initialize semaphore object. Args: value: Initial value for internal counter. bounded: Bound internal counter to init

Initialize a new Pool instance. Args: processes: Number of worker processes. initializer: An callable used to initial

Wrap a future object and register callbacks.

Initialize a new MPIPoolExecutor instance. Args: max_workers: The maximum number of MPI processes that can be used

Initialize a new MPICommExecutor instance. Args: comm: MPI (intra)communicator. root: Designated master process.

Implement ``iter(self)``.

Return ``self!=other``.

Return ``self!=other``.

Create and return a new object.

Create and return a new object.

Implement ``next(self)``.

Return repr(self).

Set option.