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#!/usr/bin/env python
#
# Author: Mike McKerns (mmckerns @caltech and @uqfoundation)
# Copyright (c) 1997-2016 California Institute of Technology.
# Copyright (c) 2016-2025 The Uncertainty Quantification Foundation.
# License: 3-clause BSD. The full license text is available at:
# - https://github.com/uqfoundation/pyina/blob/master/LICENSE
"""
# Testing pyina.mpi.world.bcast
# To run:
mpiexec -np 4 `which python` mpi_simple2.py
python mpi_simple2.py
"""
import logging
class SimpleApp(object):
def __call__(self):
from pyina import mpi
world = mpi.world
logging.info("I am rank %d of %d" % (world.rank, world.size))
root = 0
if world.rank == root:
str = "hello world"
nn = world.bcast(str, root)
print("Master has: %s " % nn)
else:
nn = world.bcast("", root)
print("Worker (%d) has: %s " % (world.rank, nn))
return
if __name__ == "__main__":
app = SimpleApp()
app()
# End of file
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