Exemple #1
0
    def smoke_test(self):
        """ A simple smoke test with random initialization"""

        input_size = 4
        input_length = 4
        batch_size = 2
        n_units = 4

        cell = ESNCell(n_units)
        inputs = np.random.random([input_length, batch_size, input_size])

        state = cell.zero_state(batch_size, tf.float64)
        for i in range(input_length):
            if i > 0: tf.get_variable_scope().reuse_variables()
            state, _ = cell(inputs[i, :, :], state)

        with self.test_session() as sess:
            sess.run(tf.global_variables_initializer())

            final_states = sess.run(state)

        expected_final_states = [[
            -0.56735968, -0.21625957, 0.69647415, -0.91361383
        ], [-0.22654705, -0.15751715, 0.85077971, -0.89757621]]

        self.assertAllClose(final_states, expected_final_states)
    def test_esn_dynamics(self):
        """ A simple smoke test """

        input_size = 4
        input_length = 4
        batch_size = 2
        n_units = 4

        cell = ESNCell(n_units)
        inputs = np.random.random([input_length, batch_size, input_size])

        state = cell.zero_state(batch_size, tf.float64)
        for i in range(input_length):
            if i > 0: tf.get_variable_scope().reuse_variables()
            state, _ = cell(inputs[i, :, :], state)

        with self.test_session() as sess:
            sess.run(tf.initialize_all_variables())
            final_states = sess.run([state])

        expected_final_states = [[[
            0.75952783, -0.96463442, 0.72289173, 0.38016839
        ], [0.82451594, -0.99358452, 0.86248011, 0.24540841]]]

        self.assertAllClose(final_states, expected_final_states)