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import struct
import mpiunittest as unittest
from mpi4py import MPI
@unittest.skipMPI("msmpi")
@unittest.skipMPI("mvapich")
@unittest.skipMPI("impi")
class BaseTestULFM:
#
COMM = MPI.COMM_NULL
def setUp(self):
self.COMM = self.COMM.Dup()
self.COMM.Set_errhandler(MPI.ERRORS_RETURN)
def tearDown(self):
self.COMM.Free()
del self.COMM
def testIsRevoked(self):
comm = self.COMM
try:
self.assertFalse(comm.Is_revoked())
except NotImplementedError:
pass
def testRevoke(self):
comm = self.COMM
comm.Is_intra()
try:
comm.Revoke()
except NotImplementedError:
self.skipTest("mpi-comm_revoke")
try:
self.assertTrue(comm.Is_revoked())
except NotImplementedError:
pass
#
try:
comm.Barrier()
except MPI.Exception as exc:
code = exc.Get_error_class()
else:
code = MPI.SUCCESS
self.assertEqual(code, MPI.ERR_REVOKED)
#
try:
comm.Send([None, 0, MPI.BYTE], MPI.PROC_NULL)
except MPI.Exception as exc:
code = exc.Get_error_class()
else:
code = MPI.SUCCESS
self.assertEqual(code, MPI.ERR_REVOKED)
#
try:
comm.Recv([None, 0, MPI.BYTE], MPI.PROC_NULL)
except MPI.Exception as exc:
code = exc.Get_error_class()
else:
code = MPI.SUCCESS
self.assertEqual(code, MPI.ERR_REVOKED)
def testGetFailed(self):
comm = self.COMM
group = comm.Get_failed()
gcmp = MPI.Group.Compare(group, MPI.GROUP_EMPTY)
group.Free()
self.assertIn(gcmp, [MPI.IDENT, MPI.CONGRUENT])
def testAckFailed(self):
comm = self.COMM
size = comm.Get_size()
num_acked = comm.Ack_failed(0)
self.assertEqual(num_acked, 0)
num_acked = comm.Ack_failed(size)
self.assertEqual(num_acked, 0)
num_acked = comm.Ack_failed()
self.assertEqual(num_acked, 0)
def testAgree(self):
comm = self.COMM
for i in range(5):
flag = i
flag = comm.Agree(flag)
self.assertEqual(flag, i)
def testIAgree(self):
comm = self.COMM
with self.assertRaises(TypeError):
comm.Iagree(0)
with self.assertRaises(ValueError):
comm.Iagree(bytearray(8))
ibuf = MPI.buffer.allocate(struct.calcsize("i"))
flag = memoryview(ibuf).cast("i")
for i in range(5):
flag[0] = i
request = comm.Iagree(flag)
request.Wait()
self.assertEqual(flag[0], i)
size = comm.Get_size()
if comm.Is_intra() and size > 1:
for root in range(size):
rank = comm.Get_rank()
comm.Barrier()
if rank == root:
ival = int("1011", base=2)
flag[0] = ival
request = comm.Iagree(flag)
self.assertFalse(request.Test())
self.assertEqual(flag[0], ival)
comm.Barrier()
else:
ival = int("1101", base=2)
flag[0] = ival
comm.Barrier()
self.assertEqual(flag[0], ival)
request = comm.Iagree(flag)
request.Wait()
ival = int("1001", base=2)
self.assertEqual(flag[0], ival)
def testShrink(self):
comm = self.COMM
shrink = comm.Shrink()
self.assertEqual(comm.Get_size(), shrink.Get_size())
self.assertEqual(comm.Get_rank(), shrink.Get_rank())
if shrink.Is_inter():
self.assertEqual(comm.Get_remote_size(), shrink.Get_remote_size())
shrink.Free()
def testIShrink(self):
comm = self.COMM
shrink, request = comm.Ishrink()
self.assertTrue(request)
request.Wait()
self.assertFalse(request)
self.assertEqual(comm.Get_size(), shrink.Get_size())
self.assertEqual(comm.Get_rank(), shrink.Get_rank())
if shrink.Is_inter():
self.assertEqual(comm.Get_remote_size(), shrink.Get_remote_size())
shrink.Free()
class TestULFMSelf(BaseTestULFM, unittest.TestCase):
#
COMM = MPI.COMM_SELF
class TestULFMWorld(BaseTestULFM, unittest.TestCase):
#
COMM = MPI.COMM_WORLD
@unittest.skipMPI("openmpi(>=5.0.0,<5.0.4)")
@unittest.skipIf(MPI.COMM_WORLD.Get_size() < 2, "mpi-world-size<2")
class TestULFMInter(BaseTestULFM, unittest.TestCase):
#
@classmethod
def setUpClass(cls):
BASECOMM = MPI.COMM_WORLD
size = BASECOMM.Get_size()
rank = BASECOMM.Get_rank()
if rank < size // 2:
COLOR = 0
LOCAL_LEADER = 0
REMOTE_LEADER = size // 2
else:
COLOR = 1
LOCAL_LEADER = 0
REMOTE_LEADER = 0
INTRACOMM = BASECOMM.Split(COLOR, key=0)
INTERCOMM = MPI.Intracomm.Create_intercomm(
INTRACOMM,
LOCAL_LEADER,
BASECOMM,
REMOTE_LEADER,
)
INTRACOMM.Free()
cls.COMM = INTERCOMM
cls.COMM.Set_errhandler(MPI.ERRORS_RETURN)
@classmethod
def tearDownClass(cls):
cls.COMM.Free()
if __name__ == "__main__":
unittest.main()
|
