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