from tensorflow.python.ops import init_ops


      with ops.Graph().as_default(), ops.device("/device:GPU:0"):
        inputs = seq_length * [
            array_ops.zeros([batch_size, num_units], dtypes.float32)
        ]
        initializer = init_ops.random_uniform_initializer(-0.01, 0.01, seed=127)

        cell = rnn_cell.LSTMCell(
            num_units=num_units, initializer=initializer, state_is_tuple=True)
        multi_cell = rnn_cell.MultiRNNCell(
