Ejemplo n.º 1
0
    def test_nn_builder_with_training_features(self):

        input_features = [('input', datatypes.Array(3))]
        output_features = [('output', None)]
        training_features = [('input', datatypes.Array(3)),
                             ('target', datatypes.Double)]

        builder = NeuralNetworkBuilder(input_features,
                                       output_features,
                                       disable_rank5_shape_mapping=True,
                                       training_features=training_features)

        W1 = _np.random.uniform(-0.5, 0.5, (3, 3))
        W2 = _np.random.uniform(-0.5, 0.5, (3, 3))
        builder.add_inner_product(name='ip1',
                                  W=W1,
                                  b=None,
                                  input_channels=3,
                                  output_channels=3,
                                  has_bias=False,
                                  input_name='input',
                                  output_name='hidden')
        builder.add_inner_product(name='ip2',
                                  W=W2,
                                  b=None,
                                  input_channels=3,
                                  output_channels=3,
                                  has_bias=False,
                                  input_name='hidden',
                                  output_name='output')

        builder.make_updatable(['ip1', 'ip2'])  # or a dict for weightParams

        builder.set_mean_squared_error_loss(name='mse',
                                            input='output',
                                            target='target')

        builder.set_adam_optimizer(
            AdamParams(lr=1e-2, batch=10, beta1=0.9, beta2=0.999, eps=1e-8))
        builder.set_epochs(20, allowed_set=[10, 20, 30])

        builder.set_training_input([('input', datatypes.Array(3)),
                                    ('target', 'Double')])

        model_path = os.path.join(self.model_dir, 'updatable_creation.mlmodel')
        print(model_path)
        save_spec(builder.spec, model_path)

        mlmodel = MLModel(model_path)
        self.assertTrue(mlmodel is not None)
        spec = mlmodel.get_spec()
        self.assertEqual(spec.description.trainingInput[0].name, 'input')
        self.assertEqual(
            spec.description.trainingInput[0].type.WhichOneof('Type'),
            'multiArrayType')
        self.assertEqual(spec.description.trainingInput[1].name, 'target')
        self.assertEqual(
            spec.description.trainingInput[1].type.WhichOneof('Type'),
            'doubleType')
Ejemplo n.º 2
0
    def test_nn_builder_with_training_features(self):
        input_features = [("input", datatypes.Array(3))]
        output_features = [("output", datatypes.Array(3))]
        builder = NeuralNetworkBuilder(input_features, output_features)

        W1 = _np.random.uniform(-0.5, 0.5, (3, 3))
        W2 = _np.random.uniform(-0.5, 0.5, (3, 3))
        builder.add_inner_product(
            name="ip1",
            W=W1,
            b=None,
            input_channels=3,
            output_channels=3,
            has_bias=False,
            input_name="input",
            output_name="hidden",
        )
        builder.add_inner_product(
            name="ip2",
            W=W2,
            b=None,
            input_channels=3,
            output_channels=3,
            has_bias=False,
            input_name="hidden",
            output_name="output",
        )

        builder.make_updatable(["ip1", "ip2"])  # or a dict for weightParams

        builder.set_mean_squared_error_loss(name="mse",
                                            input_feature=("output",
                                                           datatypes.Array(3)))

        builder.set_adam_optimizer(
            AdamParams(lr=1e-2, batch=10, beta1=0.9, beta2=0.999, eps=1e-8))
        builder.set_epochs(20, allowed_set=[10, 20, 30])

        model_path = os.path.join(self.model_dir, "updatable_creation.mlmodel")
        print(model_path)
        save_spec(builder.spec, model_path)

        mlmodel = MLModel(model_path)
        self.assertTrue(mlmodel is not None)
        spec = mlmodel.get_spec()
        self.assertEqual(spec.description.trainingInput[0].name, "input")
        self.assertEqual(
            spec.description.trainingInput[0].type.WhichOneof("Type"),
            "multiArrayType")
        self.assertEqual(spec.description.trainingInput[1].name, "output_true")
        self.assertEqual(
            spec.description.trainingInput[1].type.WhichOneof("Type"),
            "multiArrayType")
Ejemplo n.º 3
0
input_features = [('data', datatypes.Array(*input_dim))]
output_features = [('result', datatypes.Array(*output_dim))]

weights = np.random.rand(1, input_max_size)
bias = np.random.rand(1)

builder = NeuralNetworkBuilder(input_features, output_features)
builder.add_inner_product(name='ip_layer',
                          W=weights,
                          b=bias,
                          input_channels=input_max_size,
                          output_channels=1,
                          has_bias=True,
                          input_name='data',
                          output_name='result')
builder.make_updatable(['ip_layer'])

builder.set_mean_squared_error_loss(name='lossLayer',
                                    input_feature=output_features[0])

optimizerParams = SgdParams(lr=0.01, batch=1)
optimizerParams.set_batch(1, allowed_set=[1, 2, 4, 8, 16, 32])
builder.set_sgd_optimizer(optimizerParams)

builder.set_epochs(16, allowed_set=[2, 4, 8, 16, 32, 64, 128, 256])

#builder.spec = convert_neural_network_spec_weights_to_fp16(builder.spec)

save_spec(builder.spec, '../core/LinearRegressionModel.mlmodel')