示例#1
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    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)
示例#2
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    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])
示例#3
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    def test_sample_configuration_with_or_conjunction(self):
        cs = ConfigurationSpace(seed=1)

        hyper_params = {}
        hyper_params["hp5"] = CategoricalHyperparameter("hp5", ['0', '1', '2'])
        hyper_params["hp7"] = CategoricalHyperparameter("hp7", ['3', '4', '5'])
        hyper_params["hp8"] = CategoricalHyperparameter("hp8", ['6', '7', '8'])
        for key in hyper_params:
            cs.add_hyperparameter(hyper_params[key])

        cs.add_condition(
            InCondition(hyper_params["hp5"], hyper_params["hp8"], ['6']))

        cs.add_condition(
            OrConjunction(
                InCondition(hyper_params["hp7"], hyper_params["hp8"], ['7']),
                InCondition(hyper_params["hp7"], hyper_params["hp5"], ['1'])))

        for cfg, fixture in zip(cs.sample_configuration(10),
                                [[1, np.NaN, 2], [0, 2, np.NaN], [0, 1, 1],
                                 [1, np.NaN, 2], [1, np.NaN, 2]]):
            np.testing.assert_array_almost_equal(cfg.get_array(), fixture)
示例#4
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    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 not evaluation:
                self.assertRaisesRegex(
                    ValueError,
                    r"Inactive hyperparameter 'AND' must "
                    r"not be specified, but has the vector value: "
                    r"'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",
                    },
                )
示例#5
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    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)