mpi_array.types.create_lookup¶

mpi_array.types.create_lookup()[source]¶

Creates a collections.defaultdict of (numpy.dtype, mpi4py.MPI.Datatype) key-value pairs. Populated with basic types from mpi4py.MPI._typedict.

Return type:	`collections.defaultdict`
Returns:	A `collections.defaultdict` with default element being `None`.