Function parallel_mkdir

dedalus/tools/parallel.py:72–78

Create a directory from root process.

(path, comm=MPI.COMM_WORLD)

def parallel_mkdir(path, comm=MPI.COMM_WORLD):
    """Create a directory from root process."""
    path = pathlib.Path(path)
    with Sync(comm=comm, enter=False, exit=True) as sync:
        if sync.comm.rank == 0:
            if not path.exists():
                path.mkdir()