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from mpi4py import MPI
import mpiunittest as unittest
_basic = [None,
True, False,
-7, 0, 7,
-2**63+1, 2**63-1,
-2.17, 0.0, 3.14,
1+2j, 2-3j,
'mpi4py',
]
messages = list(_basic)
messages += [ list(_basic),
tuple(_basic),
dict([('k%d' % key, val)
for key, val in enumerate(_basic)])
]
class TestMessage(unittest.TestCase):
def testMessageNull(self):
null = MPI.MESSAGE_NULL
self.assertFalse(null)
null2 = MPI.Message()
self.assertEqual(null, null2)
null3 = MPI.Message(null)
self.assertEqual(null, null3)
def testMessageNoProc(self):
#
noproc = MPI.MESSAGE_NO_PROC
self.assertTrue(noproc)
noproc.recv()
self.assertTrue(noproc)
noproc.irecv().wait()
self.assertTrue(noproc)
#
noproc2 = MPI.Message(MPI.MESSAGE_NO_PROC)
self.assertTrue(noproc2)
self.assertEqual(noproc2, noproc)
self.assertNotEqual(noproc, MPI.MESSAGE_NULL)
#
message = MPI.Message(MPI.MESSAGE_NO_PROC)
message.recv()
self.assertEqual(message, MPI.MESSAGE_NULL)
#
message = MPI.Message(MPI.MESSAGE_NO_PROC)
request = message.irecv()
self.assertEqual(message, MPI.MESSAGE_NULL)
self.assertNotEqual(request, MPI.REQUEST_NULL)
request.wait()
self.assertEqual(request, MPI.REQUEST_NULL)
#
comm = MPI.COMM_SELF
message = comm.mprobe(MPI.PROC_NULL)
self.assertNotEqual(message, MPI.MESSAGE_NULL)
self.assertEqual(message, MPI.MESSAGE_NO_PROC)
noproc = comm.improbe(MPI.PROC_NULL)
self.assertNotEqual(message, MPI.MESSAGE_NULL)
self.assertEqual(message, MPI.MESSAGE_NO_PROC)
class BaseTestP2PMatched(object):
COMM = MPI.COMM_NULL
def testIMProbe(self):
comm = self.COMM.Dup()
try:
m = comm.improbe()
self.assertEqual(m, None)
m = comm.improbe(MPI.ANY_SOURCE)
self.assertEqual(m, None)
m = comm.improbe(MPI.ANY_SOURCE, MPI.ANY_TAG)
self.assertEqual(m, None)
status = MPI.Status()
m = comm.improbe(MPI.ANY_SOURCE, MPI.ANY_TAG, status)
self.assertEqual(m, None)
self.assertEqual(status.source, MPI.ANY_SOURCE)
self.assertEqual(status.tag, MPI.ANY_TAG)
self.assertEqual(status.error, MPI.SUCCESS)
m = MPI.Message.iprobe(comm)
self.assertEqual(m, None)
# Open MPI <= 1.8.4
s = comm.isend(None, comm.rank, 0)
r = comm.mprobe(comm.rank, 0).irecv()
MPI.Request.waitall([s,r])
finally:
comm.Free()
def testProbeRecv(self):
comm = self.COMM
size = comm.Get_size()
rank = comm.Get_rank()
for smsg in messages:
if size == 1:
sr = comm.isend(smsg, 0, 0)
m = comm.mprobe(0, 0)
self.assertTrue(isinstance(m, MPI.Message))
self.assertTrue(m)
rr = m.irecv()
self.assertFalse(m)
self.assertTrue(sr)
self.assertTrue(rr)
MPI.Request.Waitall([sr,rr])
self.assertFalse(sr)
self.assertFalse(rr)
#
r = comm.isend(smsg, 0, 0)
m = MPI.Message.probe(comm, 0, 0)
self.assertTrue(isinstance(m, MPI.Message))
self.assertTrue(m)
rmsg = m.recv()
self.assertFalse(m)
r.wait()
elif rank == 0:
comm.send(smsg, 1, 0)
m = comm.mprobe(1, 0)
self.assertTrue(m)
rmsg = m.recv()
self.assertFalse(m)
#
comm.send(smsg, 1, 1)
m = None
while not m:
m = MPI.Message.iprobe(comm, 1, 1)
rmsg = m.irecv().wait()
elif rank == 1:
m = comm.mprobe(0, 0)
self.assertTrue(m)
rmsg = m.recv()
self.assertFalse(m)
comm.send(rmsg, 0, 0)
#
m = None
while not m:
m = MPI.Message.iprobe(comm, 0, 1)
rmsg = m.irecv().wait()
comm.send(smsg, 0, 1)
else:
rmsg = smsg
self.assertEqual(smsg, rmsg)
class TestP2PMatchedSelf(BaseTestP2PMatched, unittest.TestCase):
COMM = MPI.COMM_SELF
class TestP2PMatchedWorld(BaseTestP2PMatched, unittest.TestCase):
COMM = MPI.COMM_WORLD
class TestP2PMatchedSelfDup(TestP2PMatchedSelf):
def setUp(self):
self.COMM = MPI.COMM_SELF.Dup()
def tearDown(self):
self.COMM.Free()
class TestP2PMatchedWorldDup(TestP2PMatchedWorld):
def setUp(self):
self.COMM = MPI.COMM_WORLD.Dup()
def tearDown(self):
self.COMM.Free()
if MPI.MESSAGE_NULL == MPI.MESSAGE_NO_PROC:
del TestMessage
del TestP2PMatchedSelf
del TestP2PMatchedWorld
del TestP2PMatchedSelfDup
del TestP2PMatchedWorldDup
else:
name, version = MPI.get_vendor()
if name == 'Open MPI':
if (version < (1,8,5) and
MPI.COMM_WORLD.Get_size() > 1):
del TestP2PMatchedSelfDup
del TestP2PMatchedWorldDup
if __name__ == '__main__':
unittest.main()
|
