Esempio n. 1
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  def test_metric_ops_not_duplicated_on_cpu(self):

    with context.graph_mode():
      self.setup_graph()
      metric_fn = lambda: {"metric": (tf.constant(5), tf.constant(5))}
      best_candidate_index = 3
      mode = tf.estimator.ModeKeys.EVAL
      ensemble_metrics = tu.create_ensemble_metrics(metric_fn)
      subnetwork_metrics = tu.create_subnetwork_metrics(metric_fn)
      iteration_metrics = tu.create_iteration_metrics(
          ensemble_metrics=[ensemble_metrics],
          subnetwork_metrics=[subnetwork_metrics])

      ensemble_ops1 = ensemble_metrics.eval_metrics_ops()
      ensemble_ops2 = ensemble_metrics.eval_metrics_ops()
      subnetwork_ops1 = subnetwork_metrics.eval_metrics_ops()
      subnetwork_ops2 = subnetwork_metrics.eval_metrics_ops()
      iteration_ops1 = iteration_metrics.best_eval_metric_ops(
          best_candidate_index, mode)
      iteration_ops2 = iteration_metrics.best_eval_metric_ops(
          best_candidate_index, mode)

      self.assertEqual(subnetwork_ops1, subnetwork_ops2)
      self.assertEqual(ensemble_ops1, ensemble_ops2)
      self.assertEqual(iteration_ops1, iteration_ops2)
      for ops in [ensemble_ops1, subnetwork_ops1, iteration_ops1]:
        self.assertIsNotNone(ops)
Esempio n. 2
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    def test_ensemble_metrics(self):
        with context.graph_mode():
            self.setup_graph()
            architecture = _Architecture("test_ensemble_candidate",
                                         "test_ensembler")
            architecture.add_subnetwork(iteration_number=0,
                                        builder_name="b_0_0")
            architecture.add_subnetwork(iteration_number=0,
                                        builder_name="b_0_1")
            architecture.add_subnetwork(iteration_number=1,
                                        builder_name="b_1_0")
            architecture.add_subnetwork(iteration_number=2,
                                        builder_name="b_2_0")

            metrics = tu.create_ensemble_metrics(
                self._metric_fn,
                features=self._features,
                labels=self._labels,
                estimator_spec=self._estimator_spec,
                architecture=architecture)

            actual = self._run_metrics(metrics.eval_metrics_tuple())

            serialized_arch_proto = actual["architecture/adanet/ensembles"]
            expected_arch_string = b"| b_0_0 | b_0_1 | b_1_0 | b_2_0 |"
            self.assertIn(expected_arch_string, serialized_arch_proto)
  def build_ensemble_spec(self,
                          name,
                          candidate,
                          ensembler,
                          subnetwork_specs,
                          summary,
                          features,
                          mode,
                          iteration_number,
                          labels=None,
                          previous_ensemble_spec=None,
                          my_ensemble_index=None,
                          params=None,
                          previous_iteration_checkpoint=None):
    del ensembler
    del subnetwork_specs
    del summary
    del features
    del mode
    del labels
    del iteration_number
    del params
    del my_ensemble_index
    del previous_iteration_checkpoint

    num_subnetworks = 0
    if previous_ensemble_spec:
      num_subnetworks += 1

    return tu.dummy_ensemble_spec(
        name=name,
        num_subnetworks=num_subnetworks,
        random_seed=candidate.subnetwork_builders[0].seed,
        subnetwork_builders=candidate.subnetwork_builders,
        dict_predictions=self._dict_predictions,
        eval_metrics=tu.create_ensemble_metrics(
            metric_fn=self._eval_metric_ops_fn),
        export_output_key=self._export_output_key,
        variables=[tf.Variable(1.)])
Esempio n. 4
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    def test_iteration_metrics(self, use_tpu, mode):
        with context.graph_mode():
            self.setup_graph()
            best_candidate_index = 3
            ensemble_metrics = []
            for i in range(10):

                def metric_fn(val=i):
                    metric = tf.keras.metrics.Mean()
                    metric.update_state(tf.constant(val))
                    return {
                        "ensemble_v1_metric":
                        tf_compat.v1.metrics.mean(tf.constant(val)),
                        "ensemble_keras_metric":
                        metric
                    }

                ensemble_metrics.append(tu.create_ensemble_metrics(metric_fn))
            metrics = tu.create_iteration_metrics(
                ensemble_metrics=ensemble_metrics)

            metrics_fn = (metrics.best_eval_metrics_tuple
                          if use_tpu else metrics.best_eval_metric_ops)
            actual = self._run_metrics(
                metrics_fn(tf.constant(best_candidate_index), mode) or {})

            if mode == tf.estimator.ModeKeys.EVAL:
                expected = {
                    "ensemble_v1_metric": best_candidate_index,
                    "ensemble_keras_metric": best_candidate_index,
                    "iteration": 1
                }
                # We don't actually provide an architecture, so the default will be
                # inside.
                del actual["architecture/adanet/ensembles"]
            else:
                expected = {}
            self.assertEqual(actual, expected)
Esempio n. 5
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class IterationBuilderTest(tu.AdanetTestCase):
    @parameterized.named_parameters(
        {
            "testcase_name": "negative_max_steps",
            "max_steps": -1,
        }, {
            "testcase_name": "zero_max_steps",
            "max_steps": 0,
        })
    @test_util.run_in_graph_and_eager_modes
    def test_init_errors(self, max_steps):
        with self.assertRaises(ValueError):
            _IterationBuilder(_FakeCandidateBuilder(),
                              _FakeSubnetworkManager(),
                              _FakeEnsembleBuilder(),
                              summary_maker=_ScopedSummary,
                              ensemblers=[_FakeEnsembler()],
                              max_steps=max_steps)

    # pylint: disable=g-long-lambda
    @parameterized.named_parameters(
        {
            "testcase_name": "single_subnetwork_fn",
            "ensemble_builder": _FakeEnsembleBuilder(),
            "subnetwork_builders": [_FakeBuilder("training")],
            "features": lambda: [[1., -1., 0.]],
            "labels": lambda: [1],
            "want_loss": 1.403943,
            "want_predictions": 2.129,
            "want_best_candidate_index": 0,
        }, {
            "testcase_name":
            "single_subnetwork_fn_mock_summary",
            "ensemble_builder":
            _FakeEnsembleBuilder(),
            "subnetwork_builders": [_FakeBuilder("training")],
            "summary_maker":
            functools.partial(_TPUScopedSummary, logdir="/tmp/fakedir"),
            "features":
            lambda: [[1., -1., 0.]],
            "labels":
            lambda: [1],
            "want_loss":
            1.403943,
            "want_predictions":
            2.129,
            "want_best_candidate_index":
            0,
        }, {
            "testcase_name":
            "single_subnetwork_with_eval_metrics",
            "ensemble_builder":
            _FakeEnsembleBuilder(eval_metric_ops_fn=lambda:
                                 {"a": (tf.constant(1), tf.constant(2))}),
            "subnetwork_builders": [
                _FakeBuilder("training", ),
            ],
            "mode":
            tf.estimator.ModeKeys.EVAL,
            "features":
            lambda: [[1., -1., 0.]],
            "labels":
            lambda: [1],
            "want_loss":
            1.403943,
            "want_predictions":
            2.129,
            "want_eval_metric_ops": ["a", "iteration"],
            "want_best_candidate_index":
            0,
        }, {
            "testcase_name":
            "single_subnetwork_with_non_tensor_eval_metric_op",
            "ensemble_builder":
            _FakeEnsembleBuilder(eval_metric_ops_fn=lambda:
                                 {"a": (tf.constant(1), tf.no_op())}),
            "subnetwork_builders": [
                _FakeBuilder("training", ),
            ],
            "mode":
            tf.estimator.ModeKeys.EVAL,
            "features":
            lambda: [[1., -1., 0.]],
            "labels":
            lambda: [1],
            "want_loss":
            1.403943,
            "want_predictions":
            2.129,
            "want_eval_metric_ops": ["a", "iteration"],
            "want_best_candidate_index":
            0,
        }, {
            "testcase_name": "single_subnetwork_done_training_fn",
            "ensemble_builder": _FakeEnsembleBuilder(),
            "subnetwork_builders": [_FakeBuilder("done")],
            "features": lambda: [[1., -1., 0.]],
            "labels": lambda: [1],
            "want_loss": 1.403943,
            "want_predictions": 2.129,
            "want_best_candidate_index": 0,
        }, {
            "testcase_name": "single_dict_predictions_subnetwork_fn",
            "ensemble_builder": _FakeEnsembleBuilder(dict_predictions=True),
            "subnetwork_builders": [_FakeBuilder("training")],
            "features": lambda: [[1., -1., 0.]],
            "labels": lambda: [1],
            "want_loss": 1.403943,
            "want_predictions": {
                "classes": 2,
                "logits": 2.129
            },
            "want_best_candidate_index": 0,
        }, {
            "testcase_name": "previous_ensemble",
            "ensemble_builder": _FakeEnsembleBuilder(),
            "subnetwork_builders": [_FakeBuilder("training")],
            "features": lambda: [[1., -1., 0.]],
            "labels": lambda: [1],
            "previous_ensemble_spec": lambda: tu.dummy_ensemble_spec("old"),
            "want_loss": 1.403943,
            "want_predictions": 2.129,
            "want_best_candidate_index": 1,
        }, {
            "testcase_name":
            "previous_ensemble_is_best",
            "ensemble_builder":
            _FakeEnsembleBuilder(),
            "subnetwork_builders": [_FakeBuilder("training")],
            "features":
            lambda: [[1., -1., 0.]],
            "labels":
            lambda: [1],
            "previous_ensemble_spec":
            lambda: tu.dummy_ensemble_spec("old", random_seed=12),
            "want_loss":
            -.437,
            "want_predictions":
            .688,
            "want_best_candidate_index":
            0,
        }, {
            "testcase_name":
            "previous_ensemble_spec_and_eval_metrics",
            "ensemble_builder":
            _FakeEnsembleBuilder(eval_metric_ops_fn=lambda:
                                 {"a": (tf.constant(1), tf.constant(2))}),
            "subnetwork_builders": [_FakeBuilder("training")],
            "mode":
            tf.estimator.ModeKeys.EVAL,
            "features":
            lambda: [[1., -1., 0.]],
            "labels":
            lambda: [1],
            "previous_ensemble_spec":
            lambda: tu.dummy_ensemble_spec(
                "old",
                eval_metrics=tu.create_ensemble_metrics(
                    metric_fn=lambda: {"a":
                                       (tf.constant(1), tf.constant(2))})),
            "want_loss":
            1.403943,
            "want_predictions":
            2.129,
            "want_eval_metric_ops": ["a", "iteration"],
            "want_best_candidate_index":
            1,
        }, {
            "testcase_name":
            "two_subnetwork_fns",
            "ensemble_builder":
            _FakeEnsembleBuilder(),
            "subnetwork_builders": [
                _FakeBuilder("training"),
                _FakeBuilder("training2", random_seed=7)
            ],
            "features":
            lambda: [[1., -1., 0.]],
            "labels":
            lambda: [1],
            "want_loss":
            1.40394,
            "want_predictions":
            2.129,
            "want_best_candidate_index":
            0,
        }, {
            "testcase_name":
            "two_subnetwork_fns_other_best",
            "ensemble_builder":
            _FakeEnsembleBuilder(),
            "subnetwork_builders": [
                _FakeBuilder("training"),
                _FakeBuilder("training2", random_seed=12)
            ],
            "features":
            lambda: [[1., -1., 0.]],
            "labels":
            lambda: [1],
            "want_loss":
            -.437,
            "want_predictions":
            .688,
            "want_best_candidate_index":
            1,
        }, {
            "testcase_name":
            "two_subnetwork_one_training_fns",
            "ensemble_builder":
            _FakeEnsembleBuilder(),
            "subnetwork_builders":
            [_FakeBuilder("training"),
             _FakeBuilder("done", random_seed=7)],
            "features":
            lambda: [[1., -1., 0.]],
            "labels":
            lambda: [1],
            "want_loss":
            1.403943,
            "want_predictions":
            2.129,
            "want_best_candidate_index":
            0,
        }, {
            "testcase_name":
            "two_subnetwork_done_training_fns",
            "ensemble_builder":
            _FakeEnsembleBuilder(),
            "subnetwork_builders":
            [_FakeBuilder("done"),
             _FakeBuilder("done1", random_seed=7)],
            "features":
            lambda: [[1., -1., 0.]],
            "labels":
            lambda: [1],
            "want_loss":
            1.403943,
            "want_predictions":
            2.129,
            "want_best_candidate_index":
            0,
        }, {
            "testcase_name":
            "two_dict_predictions_subnetwork_fns",
            "ensemble_builder":
            _FakeEnsembleBuilder(dict_predictions=True),
            "subnetwork_builders": [
                _FakeBuilder("training"),
                _FakeBuilder("training2", random_seed=7)
            ],
            "features":
            lambda: [[1., -1., 0.]],
            "labels":
            lambda: [1],
            "want_loss":
            1.404,
            "want_predictions": {
                "classes": 2,
                "logits": 2.129
            },
            "want_best_candidate_index":
            0,
        }, {
            "testcase_name":
            "two_dict_predictions_subnetwork_fns_predict_classes",
            "ensemble_builder":
            _FakeEnsembleBuilder(
                dict_predictions=True,
                export_output_key=tu.ExportOutputKeys.CLASSIFICATION_CLASSES),
            "subnetwork_builders": [
                _FakeBuilder("training"),
                _FakeBuilder("training2", random_seed=7)
            ],
            "mode":
            tf.estimator.ModeKeys.PREDICT,
            "features":
            lambda: [[1., -1., 0.]],
            "labels":
            lambda: [1],
            "want_loss":
            1.404,
            "want_predictions": {
                "classes": 2,
                "logits": 2.129
            },
            "want_best_candidate_index":
            0,
            "want_export_outputs": {
                tu.ExportOutputKeys.CLASSIFICATION_CLASSES: [2.129],
                "serving_default": [2.129],
            },
        }, {
            "testcase_name":
            "two_dict_predictions_subnetwork_fns_predict_scores",
            "ensemble_builder":
            _FakeEnsembleBuilder(
                dict_predictions=True,
                export_output_key=tu.ExportOutputKeys.CLASSIFICATION_SCORES),
            "subnetwork_builders": [
                _FakeBuilder("training"),
                _FakeBuilder("training2", random_seed=7)
            ],
            "mode":
            tf.estimator.ModeKeys.PREDICT,
            "features":
            lambda: [[1., -1., 0.]],
            "labels":
            lambda: [1],
            "want_loss":
            1.404,
            "want_predictions": {
                "classes": 2,
                "logits": 2.129
            },
            "want_best_candidate_index":
            0,
            "want_export_outputs": {
                tu.ExportOutputKeys.CLASSIFICATION_SCORES: [2.129],
                "serving_default": [2.129],
            },
        }, {
            "testcase_name":
            "two_dict_predictions_subnetwork_fns_predict_regression",
            "ensemble_builder":
            _FakeEnsembleBuilder(
                dict_predictions=True,
                export_output_key=tu.ExportOutputKeys.REGRESSION),
            "subnetwork_builders": [
                _FakeBuilder("training"),
                _FakeBuilder("training2", random_seed=7)
            ],
            "mode":
            tf.estimator.ModeKeys.PREDICT,
            "features":
            lambda: [[1., -1., 0.]],
            "labels":
            lambda: [1],
            "want_predictions": {
                "classes": 2,
                "logits": 2.129
            },
            "want_best_candidate_index":
            0,
            "want_export_outputs": {
                tu.ExportOutputKeys.REGRESSION: 2.129,
                "serving_default": 2.129,
            },
        }, {
            "testcase_name":
            "two_dict_predictions_subnetwork_fns_predict_prediction",
            "ensemble_builder":
            _FakeEnsembleBuilder(
                dict_predictions=True,
                export_output_key=tu.ExportOutputKeys.PREDICTION),
            "subnetwork_builders": [
                _FakeBuilder("training"),
                _FakeBuilder("training2", random_seed=7)
            ],
            "mode":
            tf.estimator.ModeKeys.PREDICT,
            "features":
            lambda: [[1., -1., 0.]],
            "labels":
            lambda: [1],
            "want_predictions": {
                "classes": 2,
                "logits": 2.129
            },
            "want_best_candidate_index":
            0,
            "want_export_outputs": {
                tu.ExportOutputKeys.PREDICTION: {
                    "classes": 2,
                    "logits": 2.129
                },
                "serving_default": {
                    "classes": 2,
                    "logits": 2.129
                },
            },
        }, {
            "testcase_name":
            "chief_session_run_hook",
            "ensemble_builder":
            _FakeEnsembleBuilder(),
            "subnetwork_builders":
            [_FakeBuilder("training", chief_hook=tu.ModifierSessionRunHook())],
            "features":
            lambda: [[1., -1., 0.]],
            "labels":
            lambda: [1],
            "want_loss":
            1.403943,
            "want_predictions":
            2.129,
            "want_best_candidate_index":
            0,
            "want_chief_hooks":
            True,
        })
    @test_util.run_in_graph_and_eager_modes
    def test_build_iteration(self,
                             ensemble_builder,
                             subnetwork_builders,
                             features,
                             labels,
                             want_predictions,
                             want_best_candidate_index,
                             want_eval_metric_ops=(),
                             previous_ensemble_spec=lambda: None,
                             want_loss=None,
                             want_export_outputs=None,
                             mode=tf.estimator.ModeKeys.TRAIN,
                             summary_maker=_ScopedSummary,
                             want_chief_hooks=False):
        with context.graph_mode():
            tf_compat.v1.train.create_global_step()
            builder = _IterationBuilder(_FakeCandidateBuilder(),
                                        _FakeSubnetworkManager(),
                                        ensemble_builder,
                                        summary_maker=summary_maker,
                                        ensemblers=[_FakeEnsembler()],
                                        max_steps=1)
            iteration = builder.build_iteration(
                base_global_step=0,
                iteration_number=0,
                ensemble_candidates=[
                    EnsembleCandidate(b.name, [b], None)
                    for b in subnetwork_builders
                ],
                subnetwork_builders=subnetwork_builders,
                features=features(),
                labels=labels(),
                mode=mode,
                config=tf.estimator.RunConfig(
                    model_dir=self.test_subdirectory),
                previous_ensemble_spec=previous_ensemble_spec())
            init = tf.group(tf_compat.v1.global_variables_initializer(),
                            tf_compat.v1.local_variables_initializer())
            self.evaluate(init)
            estimator_spec = iteration.estimator_spec
            if want_chief_hooks:
                self.assertNotEmpty(
                    iteration.estimator_spec.training_chief_hooks)
            self.assertAllClose(want_predictions,
                                self.evaluate(estimator_spec.predictions),
                                atol=1e-3)

            # A default architecture metric is always included, even if we don't
            # specify one.
            eval_metric_ops = estimator_spec.eval_metric_ops
            if "architecture/adanet/ensembles" in eval_metric_ops:
                del eval_metric_ops["architecture/adanet/ensembles"]
            self.assertEqual(set(want_eval_metric_ops),
                             set(eval_metric_ops.keys()))

            self.assertEqual(want_best_candidate_index,
                             self.evaluate(iteration.best_candidate_index))

            if mode == tf.estimator.ModeKeys.PREDICT:
                self.assertIsNotNone(estimator_spec.export_outputs)
                self.assertAllClose(want_export_outputs,
                                    self.evaluate(
                                        _export_output_tensors(
                                            estimator_spec.export_outputs)),
                                    atol=1e-3)
                self.assertIsNone(iteration.estimator_spec.train_op)
                self.assertIsNone(iteration.estimator_spec.loss)
                self.assertIsNotNone(want_export_outputs)
                return

            self.assertAlmostEqual(want_loss,
                                   self.evaluate(
                                       iteration.estimator_spec.loss),
                                   places=3)
            self.assertIsNone(iteration.estimator_spec.export_outputs)
            if mode == tf.estimator.ModeKeys.TRAIN:
                self.evaluate(iteration.estimator_spec.train_op)

    @parameterized.named_parameters(
        {
            "testcase_name": "empty_subnetwork_builders",
            "ensemble_builder": _FakeEnsembleBuilder(),
            "subnetwork_builders": [],
            "want_raises": ValueError,
        }, {
            "testcase_name":
            "same_subnetwork_builder_names",
            "ensemble_builder":
            _FakeEnsembleBuilder(),
            "subnetwork_builders":
            [_FakeBuilder("same_name"),
             _FakeBuilder("same_name")],
            "want_raises":
            ValueError,
        }, {
            "testcase_name":
            "same_name_as_previous_ensemble_spec",
            "ensemble_builder":
            _FakeEnsembleBuilder(),
            "previous_ensemble_spec_fn":
            lambda: tu.dummy_ensemble_spec("same_name"),
            "subnetwork_builders": [
                _FakeBuilder("same_name"),
            ],
            "want_raises":
            ValueError,
        }, {
            "testcase_name":
            "predict_invalid",
            "ensemble_builder":
            _FakeEnsembleBuilder(
                dict_predictions=True,
                export_output_key=tu.ExportOutputKeys.INVALID),
            "subnetwork_builders": [
                _FakeBuilder("training"),
                _FakeBuilder("training2", random_seed=7)
            ],
            "mode":
            tf.estimator.ModeKeys.PREDICT,
            "want_raises":
            TypeError,
        })
    @test_util.run_in_graph_and_eager_modes
    def test_build_iteration_error(self,
                                   ensemble_builder,
                                   subnetwork_builders,
                                   want_raises,
                                   previous_ensemble_spec_fn=lambda: None,
                                   mode=tf.estimator.ModeKeys.TRAIN,
                                   summary_maker=_ScopedSummary):
        with context.graph_mode():
            builder = _IterationBuilder(_FakeCandidateBuilder(),
                                        _FakeSubnetworkManager(),
                                        ensemble_builder,
                                        summary_maker=summary_maker,
                                        ensemblers=[_FakeEnsembler()],
                                        max_steps=100)
            features = [[1., -1., 0.]]
            labels = [1]
            with self.assertRaises(want_raises):
                builder.build_iteration(
                    base_global_step=0,
                    iteration_number=0,
                    ensemble_candidates=[
                        EnsembleCandidate("test", subnetwork_builders, None)
                    ],
                    subnetwork_builders=subnetwork_builders,
                    features=features,
                    labels=labels,
                    mode=mode,
                    config=tf.estimator.RunConfig(
                        model_dir=self.test_subdirectory),
                    previous_ensemble_spec=previous_ensemble_spec_fn())