mpi4py.MPI.Register_datarep

mpi4py.MPI.Register_datarep(datarep, read_fn, write_fn, extent_fn)

Register user-defined data representations.

Parameters:

• datarep (str) –

• read_fn (Callable[[Buffer, Datatype, int, Buffer, int], None]) –

• write_fn (Callable[[Buffer, Datatype, int, Buffer, int], None]) –

• extent_fn (Callable[[Datatype], int]) –

Return type:

None