def test_get_mpi_type(self):
if env.USE_MPI4PY:
from mpi4py import MPI
actual = OcgVM.get_mpi_type(int)
self.assertEqual(actual, MPI.LONG_LONG)
else:
raise SkipTest('not env.USE_MPI4PY')
def test_get_mpi_type(self):
if env.USE_MPI4PY:
from mpi4py import MPI
actual = OcgVM.get_mpi_type(int)
self.assertEqual(actual, MPI.LONG_LONG)
else:
raise SkipTest('not env.USE_MPI4PY')
def test_init(self):
for _ in range(50):
vm = OcgVM()
vm.finalize()
self.assertTrue(vm.size_global >= 1)
self.assertIsNotNone(vm.comm)
vm.finalize()
vm.__init__()
vm.finalize()
def test_create_subcomm(self):
vm = OcgVM()
if vm.size != 2:
raise SkipTest('vm.size != 2')
self.assertFalse(vm._is_dummy)
vm.create_subcomm('test', [], is_current=True)
self.assertTrue(vm.is_null)
vm.finalize()
self.assertFalse(vm.is_null)
def test_scoped(self):
if MPI_SIZE != 8:
raise SkipTest('MPI_SIZE != 8')
vm = OcgVM()
self.assertEqual(vm.size, 8)
with vm.scoped('test', [2, 3, 4]):
if not vm.is_null:
self.assertEqual(vm.size, 3)
self.assertEqual(vm.ranks, range(3))
with vm.scoped('nested', [1]):
if not vm.is_null:
self.assertEqual(vm.size, 1)
self.assertEqual(len(vm._subcomms), 2)
self.assertEqual(vm.size, 8)
self.assertEqual(len(vm._subcomms), 0)
vm.finalize()
vm = OcgVM()
self.assertEqual(vm.size, 8)
vm.finalize()
def test_get_live_ranks_from_object(self):
if MPI_SIZE != 4:
raise SkipTest('MPI_SIZE != 4')
vm = OcgVM()
if MPI_RANK == 1:
dim = Dimension('woot', is_empty=True, dist=True)
else:
dim = Dimension('woot', dist=True, size=3)
actual = vm.get_live_ranks_from_object(dim)
self.assertEqual(actual, (0, 2, 3))
vm.finalize()
def test_barrier(self):
if MPI_SIZE != 4:
raise SkipTest('MPI_SIZE != 4')
vm = OcgVM()
live_ranks = [1, 3]
vm.create_subcomm('for barrier', live_ranks, is_current=True)
if not vm.is_null:
self.assertEqual(vm.size, 2)
else:
self.assertNotIn(MPI_RANK, live_ranks)
if MPI_RANK in live_ranks:
vm.barrier()
vm.finalize()
def test_gather(self):
if MPI_SIZE != 8:
raise SkipTest('MPI_SIZE != 8')
vm = OcgVM()
live_ranks = [1, 3, 7]
# vm.set_live_ranks(live_ranks)
vm.create_subcomm('tester', live_ranks, is_current=True)
if MPI_RANK in live_ranks:
value = MPI_RANK
gathered_value = vm.gather(value)
if MPI_RANK == 1:
self.assertEqual(gathered_value, [1, 3, 7])
elif MPI_RANK in live_ranks:
self.assertIsNone(gathered_value)
vm.finalize()
def test_create_subcomm(self):
vm = OcgVM()
vm.create_subcomm('test', [], is_current=True)
self.assertTrue(vm.is_null)
vm.finalize()
self.assertFalse(vm.is_null)
