triqs.utility.mpi_mpi4py.bcast

triqs.utility.mpi_mpi4py.bcast(x, root=0)[source]

Broadcast a Python object from one rank to all ranks.

Thin wrapper around mpi4py.MPI.Comm.bcast() on world.

Parameters:

xobject: Object to broadcast. Only meaningful on rank root; ignored on all other ranks.
rootint, optional: Rank that holds the value to broadcast. Default 0.

Returns:

object: The broadcast value, identical on every rank.