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test1.py
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test1.py
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import numpy as np
import tensorflow as tf
class LSTMTest(tf.test.TestCase):
def setUp(self):
self._seed = 23489
np.random.seed(self._seed)
def testDynamicRNNWithTupleStates(self):
num_units = 3
input_size = 5
batch_size = 2
num_proj = 4
max_length = 8
sequence_length = [4, 6]
with self.test_session(graph=tf.Graph()) as sess:
initializer = tf.random_uniform_initializer(-0.01,
0.01,
seed=self._seed)
inputs = max_length * [
tf.placeholder(tf.float32,
shape=(None, input_size))
]
inputs_c = tf.pack(inputs)
cell = tf.nn.rnn_cell.LSTMCell(num_units,
use_peepholes=True,
num_proj=num_proj,
initializer=initializer,
state_is_tuple=True)
outputs_static, state_static = tf.nn.rnn(
cell,
inputs,
dtype=tf.float32,
sequence_length=sequence_length)
tf.get_variable_scope().reuse_variables()
outputs_dynamic, state_dynamic = tf.nn.dynamic_rnn(
cell,
inputs_c,
dtype=tf.float32,
time_major=True,
sequence_length=sequence_length)
self.assertTrue(isinstance(state_static,
tf.nn.rnn_cell.LSTMStateTuple))
self.assertTrue(isinstance(state_dynamic,
tf.nn.rnn_cell.LSTMStateTuple))
self.assertEqual(state_static[0], state_static.c)
self.assertEqual(state_static[1], state_static.h)
self.assertEqual(state_dynamic[0], state_dynamic.c)
self.assertEqual(state_dynamic[1], state_dynamic.h)
tf.initialize_all_variables().run()
input_value = np.random.randn(batch_size, input_size)
outputs_static_v = sess.run(outputs_static,
feed_dict={inputs[0]: input_value})
outputs_dynamic_v = sess.run(outputs_dynamic,
feed_dict={inputs[0]: input_value})
self.assertAllEqual(outputs_static_v, outputs_dynamic_v)
state_static_v = sess.run(state_static,
feed_dict={inputs[0]: input_value})
state_dynamic_v = sess.run(state_dynamic,
feed_dict={inputs[0]: input_value})
self.assertAllEqual(
np.hstack(state_static_v), np.hstack(state_dynamic_v))
print("done~")