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from mpi4py import MPI
import mpiunittest as unittest
import arrayimpl
@unittest.skipIf(MPI.MESSAGE_NULL == MPI.MESSAGE_NO_PROC, 'mpi-message')
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(None)
self.assertTrue(noproc)
noproc.Irecv(None).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(None)
self.assertEqual(message, MPI.MESSAGE_NULL)
#
message = MPI.Message(MPI.MESSAGE_NO_PROC)
request = message.Irecv(None)
self.assertEqual(message, MPI.MESSAGE_NULL)
self.assertNotEqual(request, MPI.REQUEST_NULL)
request.Wait()
self.assertEqual(request, MPI.REQUEST_NULL)
def testPickle(self):
from pickle import dumps, loads
for message in (
MPI.MESSAGE_NULL,
MPI.MESSAGE_NO_PROC,
):
msg = loads(dumps(message))
self.assertIs(msg, message)
msg = loads(dumps(MPI.Message(message)))
self.assertIsNot(msg, message)
self.assertEqual(msg, message)
comm = MPI.COMM_SELF
request = comm.Isend(b"", 0, 0)
with self.assertRaises(ValueError):
loads(dumps(request))
message = comm.Mprobe(0, 0)
with self.assertRaises(ValueError):
loads(dumps(message))
message.Recv(bytearray(1))
request.Wait()
@unittest.skipIf(MPI.MESSAGE_NULL == MPI.MESSAGE_NO_PROC, 'mpi-message')
class BaseTestP2PMatched:
COMM = MPI.COMM_NULL
def testIMProbe(self):
comm = self.COMM.Dup()
try:
m = comm.Improbe()
self.assertIsNone(m)
m = comm.Improbe(MPI.ANY_SOURCE)
self.assertIsNone(m)
m = comm.Improbe(MPI.ANY_SOURCE, MPI.ANY_TAG)
self.assertIsNone(m)
status = MPI.Status()
m = comm.Improbe(MPI.ANY_SOURCE, MPI.ANY_TAG, status)
self.assertIsNone(m)
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.assertIsNone(m)
buf = [None, 0, MPI.BYTE]
s = comm.Isend(buf, comm.rank, 0)
r = comm.Mprobe(comm.rank, 0).Irecv(buf)
MPI.Request.Waitall([s,r])
finally:
comm.Free()
def testProbeRecv(self):
comm = self.COMM
size = comm.Get_size()
rank = comm.Get_rank()
for array, typecode in arrayimpl.loop():
with arrayimpl.test(self):
for s in range(0, size+1):
with self.subTest(s=s):
sbuf = array( s, typecode, s)
rbuf = array(-1, typecode, s)
if size == 1:
n = comm.Improbe(0, 0)
self.assertIsNone(n)
sr = comm.Isend(sbuf.as_mpi(), 0, 0)
m = comm.Mprobe(0, 0)
self.assertIsInstance(m, MPI.Message)
self.assertTrue(m)
rr = m.Irecv(rbuf.as_raw())
self.assertFalse(m)
self.assertTrue(sr)
self.assertTrue(rr)
MPI.Request.Waitall([sr,rr])
self.assertFalse(sr)
self.assertFalse(rr)
#
n = comm.Improbe(0, 0)
self.assertIsNone(n)
r = comm.Isend(sbuf.as_mpi(), 0, 0)
m = MPI.Message.Probe(comm, 0, 0)
self.assertIsInstance(m, MPI.Message)
self.assertTrue(m)
m.Recv(rbuf.as_raw())
self.assertFalse(m)
r.Wait()
#
n = MPI.Message.Iprobe(comm, 0, 0)
self.assertIsNone(n)
r = comm.Isend(sbuf.as_mpi(), 0, 0)
comm.Probe(0, 0)
m = MPI.Message.Iprobe(comm, 0, 0)
self.assertIsInstance(m, MPI.Message)
self.assertTrue(m)
m.Recv(rbuf.as_raw())
self.assertFalse(m)
r.Wait()
#
n = MPI.Message.Iprobe(comm, 0, 0)
self.assertIsNone(n)
r = comm.Isend(sbuf.as_mpi(), 0, 0)
m = comm.Mprobe(0, 0)
self.assertIsInstance(m, MPI.Message)
self.assertTrue(m)
m.Recv(rbuf.as_raw())
self.assertFalse(m)
r.Wait()
elif rank == 0:
n = comm.Improbe(0, 0)
self.assertIsNone(n)
#
comm.Send(sbuf.as_mpi(), 1, 0)
m = comm.Mprobe(1, 0)
self.assertTrue(m)
m.Recv(rbuf.as_raw())
self.assertFalse(m)
#
n = comm.Improbe(0, 0)
self.assertIsNone(n)
comm.Send(sbuf.as_mpi(), 1, 1)
m = None
while not m:
m = comm.Improbe(1, 1)
m.Irecv(rbuf.as_raw()).Wait()
elif rank == 1:
n = comm.Improbe(1, 0)
self.assertIsNone(n)
#
m = comm.Mprobe(0, 0)
self.assertTrue(m)
m.Recv(rbuf.as_raw())
self.assertFalse(m)
#
n = comm.Improbe(1, 0)
self.assertIsNone(n)
comm.Send(sbuf.as_mpi(), 0, 0)
m = None
while not m:
m = comm.Improbe(0, 1)
m.Irecv(rbuf.as_mpi()).Wait()
comm.Send(sbuf.as_mpi(), 0, 1)
else:
rbuf = sbuf
check = arrayimpl.scalar(s)
for value in rbuf:
self.assertEqual(value, check)
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 __name__ == '__main__':
unittest.main()
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