def test_sample_configuration(self):
cs = ConfigurationSpace()
hp1 = CategoricalHyperparameter("parent", [0, 1])
cs.add_hyperparameter(hp1)
hp2 = UniformIntegerHyperparameter("child", 0, 10)
cs.add_hyperparameter(hp2)
cond1 = EqualsCondition(hp2, hp1, 0)
cs.add_condition(cond1)
# This automatically checks the configuration!
Configuration(cs, dict(parent=0, child=5))
# and now for something more complicated
cs = ConfigurationSpace(seed=1)
hp1 = CategoricalHyperparameter("input1", [0, 1])
cs.add_hyperparameter(hp1)
hp2 = CategoricalHyperparameter("input2", [0, 1])
cs.add_hyperparameter(hp2)
hp3 = CategoricalHyperparameter("input3", [0, 1])
cs.add_hyperparameter(hp3)
hp4 = CategoricalHyperparameter("input4", [0, 1])
cs.add_hyperparameter(hp4)
hp5 = CategoricalHyperparameter("input5", [0, 1])
cs.add_hyperparameter(hp5)
hp6 = Constant("AND", "True")
cs.add_hyperparameter(hp6)
cond1 = EqualsCondition(hp6, hp1, 1)
cond2 = NotEqualsCondition(hp6, hp2, 1)
cond3 = InCondition(hp6, hp3, [1])
cond4 = EqualsCondition(hp5, hp3, 1)
cond5 = EqualsCondition(hp4, hp5, 1)
cond6 = EqualsCondition(hp6, hp4, 1)
cond7 = EqualsCondition(hp6, hp5, 1)
conj1 = AndConjunction(cond1, cond2)
conj2 = OrConjunction(conj1, cond3)
conj3 = AndConjunction(conj2, cond6, cond7)
cs.add_condition(cond4)
cs.add_condition(cond5)
cs.add_condition(conj3)
samples = []
for i in range(5):
cs.seed(1)
samples.append([])
for j in range(100):
sample = cs.sample_configuration()
samples[-1].append(sample)
if i > 0:
for j in range(100):
self.assertEqual(samples[-1][j], samples[-2][j])
def test_get_hyperparameters_topological_sort(self):
# and now for something more complicated
cs = ConfigurationSpace()
hp1 = CategoricalHyperparameter("input1", [0, 1])
hp2 = CategoricalHyperparameter("input2", [0, 1])
hp3 = CategoricalHyperparameter("input3", [0, 1])
hp4 = CategoricalHyperparameter("input4", [0, 1])
hp5 = CategoricalHyperparameter("input5", [0, 1])
hp6 = Constant("AND", "True")
# More top-level hyperparameters
hp7 = CategoricalHyperparameter("input7", [0, 1])
# Somewhat shuffled
hyperparameters = [hp1, hp2, hp3, hp4, hp5, hp6, hp7]
for hp in hyperparameters:
cs.add_hyperparameter(hp)
cond1 = EqualsCondition(hp6, hp1, 1)
cond2 = NotEqualsCondition(hp6, hp2, 1)
cond3 = InCondition(hp6, hp3, [1])
cond4 = EqualsCondition(hp5, hp3, 1)
cond5 = EqualsCondition(hp4, hp5, 1)
cond6 = EqualsCondition(hp6, hp4, 1)
cond7 = EqualsCondition(hp6, hp5, 1)
conj1 = AndConjunction(cond1, cond2)
conj2 = OrConjunction(conj1, cond3)
conj3 = AndConjunction(conj2, cond6, cond7)
cs.add_condition(cond4)
hps = cs.get_hyperparameters()
# AND is moved to the front because of alphabetical sorting
for hp, idx in zip(hyperparameters, [1, 2, 3, 4, 6, 0, 5]):
self.assertEqual(hps.index(hp), idx)
self.assertEqual(cs._hyperparameter_idx[hp.name], idx)
self.assertEqual(cs._idx_to_hyperparameter[idx], hp.name)
cs.add_condition(cond5)
hps = cs.get_hyperparameters()
for hp, idx in zip(hyperparameters, [1, 2, 3, 6, 5, 0, 4]):
self.assertEqual(hps.index(hp), idx)
self.assertEqual(cs._hyperparameter_idx[hp.name], idx)
self.assertEqual(cs._idx_to_hyperparameter[idx], hp.name)
cs.add_condition(conj3)
hps = cs.get_hyperparameters()
print(hps, hyperparameters)
for hp, idx in zip(hyperparameters, [0, 1, 2, 5, 4, 6, 3]):
print(hp, idx)
self.assertEqual(hps.index(hp), idx)
self.assertEqual(cs._hyperparameter_idx[hp.name], idx)
self.assertEqual(cs._idx_to_hyperparameter[idx], hp.name)
def test_add_conditions(self):
cs1 = ConfigurationSpace()
cs2 = ConfigurationSpace()
hp1 = cs1.add_hyperparameter(
CategoricalHyperparameter("input1", [0, 1]))
cs2.add_hyperparameter(hp1)
hp2 = cs1.add_hyperparameter(
CategoricalHyperparameter("input2", [0, 1]))
cs2.add_hyperparameter(hp2)
hp3 = cs1.add_hyperparameter(
UniformIntegerHyperparameter("child1", 0, 10))
cs2.add_hyperparameter(hp3)
hp4 = cs1.add_hyperparameter(
UniformIntegerHyperparameter("child2", 0, 10))
cs2.add_hyperparameter(hp4)
cond1 = EqualsCondition(hp2, hp3, 0)
cond2 = EqualsCondition(hp1, hp3, 5)
cond3 = EqualsCondition(hp1, hp4, 1)
andCond = AndConjunction(cond2, cond3)
cs1.add_conditions([cond1, andCond])
cs2.add_condition(cond1)
cs2.add_condition(andCond)
self.assertEqual(str(cs1), str(cs2))
def test_check_neighbouring_config_diamond_str(self):
diamond = ConfigurationSpace()
head = CategoricalHyperparameter('head', ['red', 'green'])
left = CategoricalHyperparameter('left', ['red', 'green'])
right = CategoricalHyperparameter('right',
['red', 'green', 'blue', 'yellow'])
bottom = CategoricalHyperparameter('bottom', ['red', 'green'])
diamond.add_hyperparameters([head, left, right, bottom])
diamond.add_condition(EqualsCondition(left, head, 'red'))
diamond.add_condition(EqualsCondition(right, head, 'red'))
diamond.add_condition(
AndConjunction(EqualsCondition(bottom, left, 'green'),
EqualsCondition(bottom, right, 'green')))
config = Configuration(diamond, {
'bottom': 'red',
'head': 'red',
'left': 'green',
'right': 'green'
})
hp_name = "head"
index = diamond.get_idx_by_hyperparameter_name(hp_name)
neighbor_value = 1
new_array = ConfigSpaceNNI.c_util.change_hp_value(
diamond, config.get_array(), hp_name, neighbor_value, index)
expected_array = np.array([1, np.nan, np.nan, np.nan])
np.testing.assert_almost_equal(new_array, expected_array)
def test_add_conjunction(self):
hp1 = CategoricalHyperparameter("input1", [0, 1])
hp2 = CategoricalHyperparameter("input2", [0, 1])
hp3 = CategoricalHyperparameter("input3", [0, 1])
hp4 = Constant("And", "True")
cond1 = EqualsCondition(hp4, hp1, 1)
cond2 = EqualsCondition(hp4, hp2, 1)
cond3 = EqualsCondition(hp4, hp3, 1)
andconj1 = AndConjunction(cond1, cond2, cond3)
cs = ConfigurationSpace()
cs.add_hyperparameter(hp1)
cs.add_hyperparameter(hp2)
cs.add_hyperparameter(hp3)
cs.add_hyperparameter(hp4)
cs.add_condition(andconj1)
self.assertNotIn(hp4, cs.get_all_unconditional_hyperparameters())
def test_add_configuration_space_conjunctions(self):
cs1 = ConfigurationSpace()
cs2 = ConfigurationSpace()
hp1 = cs1.add_hyperparameter(
CategoricalHyperparameter("input1", [0, 1]))
hp2 = cs1.add_hyperparameter(
CategoricalHyperparameter("input2", [0, 1]))
hp3 = cs1.add_hyperparameter(
UniformIntegerHyperparameter("child1", 0, 10))
hp4 = cs1.add_hyperparameter(
UniformIntegerHyperparameter("child2", 0, 10))
cond1 = EqualsCondition(hp2, hp3, 0)
cond2 = EqualsCondition(hp1, hp3, 5)
cond3 = EqualsCondition(hp1, hp4, 1)
andCond = AndConjunction(cond2, cond3)
cs1.add_conditions([cond1, andCond])
cs2.add_configuration_space(prefix='test', configuration_space=cs1)
self.assertEqual(str(cs2).count('test:'), 10)
# Check that they're equal except for the "test:" prefix
self.assertEqual(str(cs1), str(cs2).replace('test:', ''))
def test_check_configuration(self):
# TODO this is only a smoke test
# TODO actually, this rather tests the evaluate methods in the
# conditions module!
cs = ConfigurationSpace()
hp1 = CategoricalHyperparameter("parent", [0, 1])
cs.add_hyperparameter(hp1)
hp2 = UniformIntegerHyperparameter("child", 0, 10)
cs.add_hyperparameter(hp2)
cond1 = EqualsCondition(hp2, hp1, 0)
cs.add_condition(cond1)
# This automatically checks the configuration!
Configuration(cs, dict(parent=0, child=5))
# and now for something more complicated
cs = ConfigurationSpace()
hp1 = CategoricalHyperparameter("input1", [0, 1])
cs.add_hyperparameter(hp1)
hp2 = CategoricalHyperparameter("input2", [0, 1])
cs.add_hyperparameter(hp2)
hp3 = CategoricalHyperparameter("input3", [0, 1])
cs.add_hyperparameter(hp3)
hp4 = CategoricalHyperparameter("input4", [0, 1])
cs.add_hyperparameter(hp4)
hp5 = CategoricalHyperparameter("input5", [0, 1])
cs.add_hyperparameter(hp5)
hp6 = Constant("AND", "True")
cs.add_hyperparameter(hp6)
cond1 = EqualsCondition(hp6, hp1, 1)
cond2 = NotEqualsCondition(hp6, hp2, 1)
cond3 = InCondition(hp6, hp3, [1])
cond4 = EqualsCondition(hp6, hp4, 1)
cond5 = EqualsCondition(hp6, hp5, 1)
conj1 = AndConjunction(cond1, cond2)
conj2 = OrConjunction(conj1, cond3)
conj3 = AndConjunction(conj2, cond4, cond5)
cs.add_condition(conj3)
expected_outcomes = [
False, False, False, False, False, False, False, True, False,
False, False, False, False, False, False, True, False, False,
False, True, False, False, False, True, False, False, False, False,
False, False, False, True
]
for idx, values in enumerate(product([0, 1], repeat=5)):
# The hyperparameters aren't sorted, but the test assumes them to
# be sorted.
hyperparameters = sorted(cs.get_hyperparameters(),
key=lambda t: t.name)
instantiations = {
hyperparameters[jdx + 1].name: values[jdx]
for jdx in range(len(values))
}
evaluation = conj3.evaluate(instantiations)
self.assertEqual(expected_outcomes[idx], evaluation)
if evaluation == False:
self.assertRaisesRegexp(
ValueError, "Inactive hyperparameter 'AND' must "
"not be specified, but has the vector value: "
"'0.0'.",
Configuration,
cs,
values={
"input1": values[0],
"input2": values[1],
"input3": values[2],
"input4": values[3],
"input5": values[4],
"AND": "True"
})
else:
Configuration(cs,
values={
"input1": values[0],
"input2": values[1],
"input3": values[2],
"input4": values[3],
"input5": values[4],
"AND": "True"
})
def test_deactivate_inactive_hyperparameters(self):
diamond = ConfigurationSpace()
head = CategoricalHyperparameter('head', [0, 1])
left = CategoricalHyperparameter('left', [0, 1])
right = CategoricalHyperparameter('right', [0, 1])
bottom = CategoricalHyperparameter('bottom', [0, 1])
diamond.add_hyperparameters([head, left, right, bottom])
diamond.add_condition(EqualsCondition(left, head, 0))
diamond.add_condition(EqualsCondition(right, head, 0))
diamond.add_condition(
AndConjunction(EqualsCondition(bottom, left, 0),
EqualsCondition(bottom, right, 0)))
c = deactivate_inactive_hyperparameters(
{
'head': 0,
'left': 0,
'right': 0,
'bottom': 0
}, diamond)
diamond._check_configuration_rigorous(c)
c = deactivate_inactive_hyperparameters(
{
'head': 1,
'left': 0,
'right': 0,
'bottom': 0
}, diamond)
diamond._check_configuration_rigorous(c)
c = deactivate_inactive_hyperparameters(
{
'head': 0,
'left': 1,
'right': 0,
'bottom': 0
}, diamond)
diamond._check_configuration_rigorous(c)
diamond = ConfigurationSpace()
head = CategoricalHyperparameter('head', [0, 1])
left = CategoricalHyperparameter('left', [0, 1])
right = CategoricalHyperparameter('right', [0, 1])
bottom = CategoricalHyperparameter('bottom', [0, 1])
diamond.add_hyperparameters([head, left, right, bottom])
diamond.add_condition(EqualsCondition(left, head, 0))
diamond.add_condition(EqualsCondition(right, head, 0))
diamond.add_condition(
OrConjunction(EqualsCondition(bottom, left, 0),
EqualsCondition(bottom, right, 0)))
c = deactivate_inactive_hyperparameters(
{
'head': 0,
'left': 0,
'right': 0,
'bottom': 0
}, diamond)
diamond._check_configuration_rigorous(c)
c = deactivate_inactive_hyperparameters(
{
'head': 1,
'left': 1,
'right': 0,
'bottom': 0
}, diamond)
diamond._check_configuration_rigorous(c)
c = deactivate_inactive_hyperparameters(
{
'head': 0,
'left': 1,
'right': 0,
'bottom': 0
}, diamond)
diamond._check_configuration_rigorous(c)
plain = ConfigurationSpace()
a = UniformIntegerHyperparameter('a', 0, 10)
b = UniformIntegerHyperparameter('b', 0, 10)
plain.add_hyperparameters([a, b])
c = deactivate_inactive_hyperparameters({'a': 5, 'b': 6}, plain)
plain.check_configuration(c)