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