Exemple #1
0
    def __init__(self, model, batch_size=1, input_size=1):
        self.model = model
        self.bins = np.linspace(-1, 1, self.model.num_classes)

        inputs = tf.placeholder(tf.float32, [batch_size, input_size],
                                name='inputs')

        print('Make Generator.')

        count = 0
        h = inputs

        init_ops = []
        push_ops = []
        for b in range(self.model.num_blocks):
            for i in range(self.model.num_layers):
                rate = 2**i
                name = 'b{}-l{}'.format(b, i)
                if count == 0:
                    state_size = 1
                else:
                    state_size = self.model.num_hidden

                q = tf.FIFOQueue(rate,
                                 dtypes=tf.float32,
                                 shapes=(batch_size, state_size))
                init = q.enqueue_many(tf.zeros((rate, batch_size, state_size)))

                state_ = q.dequeue()
                push = q.enqueue([h])
                init_ops.append(init)
                push_ops.append(push)

                h = _causal_linear(h, state_, name=name, activation=tf.nn.relu)
                count += 1

        outputs = _output_linear(h)

        out_ops = [tf.nn.softmax(outputs)]
        out_ops.extend(push_ops)

        self.inputs = inputs
        self.init_ops = init_ops
        self.out_ops = out_ops

        # Initialize queues.
        self.model.sess.run(self.init_ops)
Exemple #2
0
    def __init__(self, model, batch_size=1, input_size=1):
        self.model = model
        self.bins = np.linspace(-1, 1, 256)

        inputs = tf.placeholder(tf.float32, [batch_size, input_size],
                                name='inputs')

        print('Make Generator.')

        count = 0
        h = inputs

        push_ops = []
        for b in range(2):
            for i in range(14):
                rate = 2**i
                name = 'b{}-l{}'.format(b, i)
                if count == 0:
                    state_size = 1
                else:
                    state_size = 128

                q = Queue(batch_size=batch_size,
                          state_size=state_size,
                          buffer_size=rate,
                          name=name)

                state_ = q.pop()
                push = q.push(h)
                push_ops.append(push)
                h = _causal_linear(h, state_, name=name, activation=tf.nn.relu)
                count += 1

        outputs = _output_linear(h)

        out_ops = [tf.argmax(tf.nn.softmax(outputs), 1)]
        out_ops.extend(push_ops)

        # Initialize new variables
        new_vars = [
            var for var in tf.trainable_variables()
            if 'pointer' in var.name or 'state_buffer' in var.name
        ]
        self.model.sess.run(tf.initialize_variables(new_vars))

        self.inputs = inputs
        self.out_ops = out_ops