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5960497 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | from baselines.common import mpi_util
from baselines import logger
from baselines.common.tests.test_with_mpi import with_mpi
try:
from mpi4py import MPI
except ImportError:
MPI = None
@with_mpi()
def test_mpi_weighted_mean():
comm = MPI.COMM_WORLD
with logger.scoped_configure(comm=comm):
if comm.rank == 0:
name2valcount = {'a' : (10, 2), 'b' : (20,3)}
elif comm.rank == 1:
name2valcount = {'a' : (19, 1), 'c' : (42,3)}
else:
raise NotImplementedError
d = mpi_util.mpi_weighted_mean(comm, name2valcount)
correctval = {'a' : (10 * 2 + 19) / 3.0, 'b' : 20, 'c' : 42}
if comm.rank == 0:
assert d == correctval, '{} != {}'.format(d, correctval)
for name, (val, count) in name2valcount.items():
for _ in range(count):
logger.logkv_mean(name, val)
d2 = logger.dumpkvs()
if comm.rank == 0:
assert d2 == correctval
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