def test_create_Context_with_targets_ranks(self):
"""Check that the target <=> rank mapping is consistent."""
check_targets(required=4, available=len(self.client))
targets = [3, 2]
dac = Context(self.client, targets=targets)
self.assertEqual(set(dac.targets), set(targets))
dac.close()
def test_create_Context_with_targets_ranks(self):
"""Check that the target <=> rank mapping is consistent."""
check_targets(required=4, available=len(self.client))
targets = [3, 2]
dac = Context(self.client, targets=targets)
self.assertEqual(set(dac.targets), set(targets))
dac.close()
def test_create_delete_key(self):
""" Check that a key can be created and then destroyed. """
dac = Context()
# Create and push a key/value.
key, value = dac._generate_key(), 'test'
dac._push({key: value}, targets=dac.targets)
# Delete the key.
dac.delete_key(key)
dac.close()
def test_create_Context_with_targets_ranks(self):
"""Check that the target <=> rank mapping is consistent."""
from distarray.globalapi.context import MPIContext
check_targets(required=4, available=MPIContext.INTERCOMM.remote_size)
targets = [3, 2]
dac = Context(targets=targets)
self.assertEqual(set(dac.targets), set(targets))
def test_create_delete_key(self):
""" Check that a key can be created and then destroyed. """
dac = Context()
# Create and push a key/value.
key, value = dac._generate_key(), 'test'
dac._push({key: value}, targets=dac.targets)
# Delete the key.
dac.delete_key(key)
dac.close()
def test_context_target_reordering(self):
"""Are contexts' targets reordered in a consistent way?"""
orig_targets = self.client.ids
targets1 = orig_targets[:]
targets2 = orig_targets[:]
shuffle(targets1)
shuffle(targets2)
ctx1 = Context(self.client, targets=targets1)
ctx2 = Context(self.client, targets=targets2)
self.assertEqual(ctx1.targets, ctx2.targets)
ctx1.close()
ctx2.close()
def test_local(self):
context = Context()
shape = (4, 4)
da = context.empty(shape)
a = numpy.empty(shape)
def fill_a(a):
for (i, j), _ in numpy.ndenumerate(a):
a[i, j] = i + j
return a
def fill_da(da):
for i in da.distribution[0].global_iter:
for j in da.distribution[1].global_iter:
da.global_index[i, j] = i + j
return da
self.context.register(fill_da)
da = self.context.fill_da(da)
a = fill_a(a)
assert_array_equal(da.tondarray(), a)
def test_local(self):
context = Context()
shape = (4, 4)
da = context.empty(shape)
a = numpy.empty(shape)
def fill_a(a):
for (i, j), _ in numpy.ndenumerate(a):
a[i, j] = i + j
return a
def fill_da(da):
for i in da.distribution[0].global_iter:
for j in da.distribution[1].global_iter:
da.global_index[i, j] = i + j
return da
self.context.register(fill_da)
da = self.context.fill_da(da)
a = fill_a(a)
assert_array_equal(da.tondarray(), a)
def test_context_target_reordering(self):
"""Are contexts' targets reordered in a consistent way?"""
orig_targets = self.client.ids
targets1 = orig_targets[:]
targets2 = orig_targets[:]
shuffle(targets1)
shuffle(targets2)
ctx1 = Context(self.client, targets=targets1)
ctx2 = Context(self.client, targets=targets2)
self.assertEqual(ctx1.targets, ctx2.targets)
ctx1.close()
ctx2.close()
def make_context(cls, targets=None):
try:
return Context(targets=targets)
except EnvironmentError:
msg = "You must have an ipcluster running to run this test case."
raise unittest.SkipTest(msg)
def make_context(cls, targets=None):
return Context(kind='MPI', targets=targets)
def test_create_Context_with_targets(self):
"""Can we create a context with a subset of engines?"""
check_targets(required=2, available=len(self.client))
dac = Context(self.client, targets=[0, 1])
self.assertIs(dac.client, self.client)
dac.close()
def test_create_Context_with_targets(self):
"""Can we create a context with a subset of engines?"""
from distarray.globalapi.context import MPIContext
check_targets(required=2, available=MPIContext.INTERCOMM.remote_size)
Context(targets=[0, 1])
def test_create_context(self):
Context()
def test_create_Context_with_targets(self):
"""Can we create a context with a subset of engines?"""
check_targets(required=2, available=len(self.client))
dac = Context(self.client, targets=[0, 1])
self.assertIs(dac.client, self.client)
dac.close()
def test_create_Context(self):
"""Can we create a plain vanilla context?"""
dac = Context(kind='IPython', client=self.client)
self.assertIs(dac.client, self.client)
