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test_gru.py
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test_gru.py
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# SPDX-License-Identifier: Apache-2.0
"""Unit Tests for gru."""
import numpy as np
import tensorflow as tf
from tensorflow.python.ops import init_ops
from tensorflow.python.ops import variable_scope
from backend_test_base import Tf2OnnxBackendTestBase
from common import unittest_main, check_gru_count, check_opset_after_tf_version, skip_tf2
from tf2onnx.tf_loader import is_tf2
# pylint: disable=missing-docstring,invalid-name,unused-argument,using-constant-test,cell-var-from-loop
if is_tf2():
# There is no LSTMBlockCell in tf-2.x
BasicLSTMCell = tf.compat.v1.nn.rnn_cell.BasicLSTMCell
LSTMCell = tf.compat.v1.nn.rnn_cell.LSTMCell
GRUCell = tf.compat.v1.nn.rnn_cell.GRUCell
MultiRNNCell = tf.compat.v1.nn.rnn_cell.MultiRNNCell
dynamic_rnn = tf.compat.v1.nn.dynamic_rnn
bidirectional_dynamic_rnn = tf.compat.v1.nn.bidirectional_dynamic_rnn
else:
BasicLSTMCell = tf.contrib.rnn.BasicLSTMCell
LSTMCell = tf.contrib.rnn.LSTMCell
GRUCell = tf.contrib.rnn.GRUCell
LSTMBlockCell = tf.contrib.rnn.LSTMBlockCell
MultiRNNCell = tf.contrib.rnn.MultiRNNCell
dynamic_rnn = tf.nn.dynamic_rnn
bidirectional_dynamic_rnn = tf.nn.bidirectional_dynamic_rnn
# TODO: as a workaround, set batch_size to 1 for now to bypass a onnxruntime bug, revert it when the bug is fixed
class GRUTests(Tf2OnnxBackendTestBase):
def run_test_case(self, *args, **kwargs): #pylint: disable=arguments-differ
# TF GRU has an unknown dim
tmp = self.config.allow_missing_shapes
self.config.allow_missing_shapes = True
try:
super().run_test_case(*args, **kwargs)
finally:
self.config.allow_missing_shapes = tmp
@check_opset_after_tf_version("1.15", 8, "might need Scan")
@skip_tf2()
def test_single_dynamic_gru(self):
units = 5
batch_size = 1
x_val = np.array([[1., 1.], [2., 2.], [3., 3.], [4., 4.]], dtype=np.float32)
x_val = np.stack([x_val] * batch_size)
def func(x):
# no scope
cell = GRUCell(
units,
activation=None)
outputs, cell_state = dynamic_rnn(
cell,
x,
dtype=tf.float32)
return tf.identity(outputs, name="output"), tf.identity(cell_state, name="cell_state")
input_names_with_port = ["input_1:0"]
feed_dict = {"input_1:0": x_val}
output_names_with_port = ["output:0", "cell_state:0"]
self.run_test_case(func, feed_dict, input_names_with_port, output_names_with_port, rtol=1e-03, atol=1e-06,
graph_validator=lambda g: check_gru_count(g, 1))
@check_opset_after_tf_version("1.15", 8, "might need Scan")
@skip_tf2()
def test_multiple_dynamic_gru(self):
units = 5
batch_size = 1
x_val = np.array([[1., 1.], [2., 2.], [3., 3.], [4., 4.]], dtype=np.float32)
x_val = np.stack([x_val] * batch_size)
def func(x):
gru_output_list = []
gru_cell_state_list = []
# no scope
cell = GRUCell(
units,
activation=None)
outputs, cell_state = dynamic_rnn(
cell,
x,
dtype=tf.float32)
gru_output_list.append(outputs)
gru_cell_state_list.append(cell_state)
# given scope
cell = GRUCell(
units,
activation=None)
with variable_scope.variable_scope("root1") as scope:
outputs, cell_state = dynamic_rnn(
cell,
x,
dtype=tf.float32,
sequence_length=[4],
scope=scope)
gru_output_list.append(outputs)
gru_cell_state_list.append(cell_state)
return tf.identity(gru_output_list, name="output"), tf.identity(gru_cell_state_list, name="cell_state")
feed_dict = {"input_1:0": x_val}
input_names_with_port = ["input_1:0"]
output_names_with_port = ["output:0", "cell_state:0"]
self.run_test_case(func, feed_dict, input_names_with_port, output_names_with_port, rtol=1e-3, atol=1e-06)
# graph_validator=lambda g: check_gru_count(g, 2))
@check_opset_after_tf_version("1.15", 8, "might need Select")
@skip_tf2()
def test_single_dynamic_gru_seq_length_is_const(self):
units = 5
batch_size = 1
x_val = np.array([[1., 1.], [2., 2.], [3., 3.], [4., 4.], [5., 5.]], dtype=np.float32)
x_val = np.stack([x_val] * batch_size)
def func(x):
initializer = init_ops.constant_initializer(0.5)
# no scope
cell = GRUCell(
units,
kernel_initializer=initializer)
outputs, cell_state = dynamic_rnn(
cell,
x,
dtype=tf.float32,
sequence_length=[5])
return tf.identity(outputs, name="output"), tf.identity(cell_state, name="cell_state")
feed_dict = {"input_1:0": x_val}
input_names_with_port = ["input_1:0"]
output_names_with_port = ["output:0", "cell_state:0"]
self.run_test_case(func, feed_dict, input_names_with_port, output_names_with_port, rtol=1e-3, atol=1e-06,
graph_validator=lambda g: check_gru_count(g, 1))
@check_opset_after_tf_version("1.15", 8, "might need Select")
@skip_tf2()
def test_single_dynamic_gru_seq_length_is_not_const(self):
for np_dtype in [np.int32, np.int64, np.float32]:
units = 5
batch_size = 1
x_val = np.array([[1., 1.], [2., 2.], [3., 3.], [4., 4.], [5., 5.]], dtype=np.float32)
x_val = np.stack([x_val] * batch_size)
y_val = np.array([5], dtype=np_dtype)
def func(x, seq_length):
initializer = init_ops.constant_initializer(0.5)
# no scope
cell = GRUCell(
units,
kernel_initializer=initializer)
outputs, cell_state = dynamic_rnn(
cell,
x,
dtype=tf.float32,
sequence_length=tf.identity(seq_length))
return tf.identity(outputs, name="output"), tf.identity(cell_state, name="cell_state")
feed_dict = {"input_1:0": x_val, "input_2:0": y_val}
input_names_with_port = ["input_1:0", "input_2:0"]
output_names_with_port = ["output:0", "cell_state:0"]
self.run_test_case(func, feed_dict, input_names_with_port, output_names_with_port, rtol=1e-03, atol=1e-06,
graph_validator=lambda g: check_gru_count(g, 1))
@check_opset_after_tf_version("1.15", 8, "might need Scan")
@skip_tf2()
def test_single_dynamic_gru_placeholder_input(self):
units = 5
x_val = np.array([[1., 1.], [2., 2.], [3., 3.], [4., 4.]], dtype=np.float32)
x_val = np.stack([x_val] * 1)
def func(x):
initializer = init_ops.constant_initializer(0.5)
# no scope
cell = GRUCell(
units,
kernel_initializer=initializer)
outputs, cell_state = dynamic_rnn(
cell,
x,
dtype=tf.float32) # by default zero initializer is used
return tf.identity(outputs, name="output"), tf.identity(cell_state, name="cell_state")
feed_dict = {"input_1:0": x_val}
input_names_with_port = ["input_1:0"]
output_names_with_port = ["output:0", "cell_state:0"]
self.run_test_case(func, feed_dict, input_names_with_port, output_names_with_port, rtol=1e-03, atol=1e-06,
graph_validator=lambda g: check_gru_count(g, 1))
@check_opset_after_tf_version("1.15", 8, "might need Scan")
@skip_tf2()
def test_single_dynamic_gru_ch_zero_state_initializer(self):
units = 5
batch_size = 1
x_val = np.array([[1., 1.], [2., 2.], [3., 3.], [4., 4.], [5., 5.]], dtype=np.float32)
x_val = np.stack([x_val] * batch_size)
def func(x):
initializer = init_ops.constant_initializer(0.5)
# no scope
cell = GRUCell(
units,
kernel_initializer=initializer)
# defining initial state
initial_state = cell.zero_state(batch_size, dtype=tf.float32)
outputs, cell_state = dynamic_rnn(
cell,
x,
initial_state=initial_state,
dtype=tf.float32)
return tf.identity(outputs, name="output"), tf.identity(cell_state, name="cell_state")
feed_dict = {"input_1:0": x_val}
input_names_with_port = ["input_1:0"]
output_names_with_port = ["output:0", "cell_state:0"]
self.run_test_case(func, feed_dict, input_names_with_port, output_names_with_port, rtol=1e-03, atol=1e-06,
graph_validator=lambda g: check_gru_count(g, 1))
@check_opset_after_tf_version("1.15", 8, "might need Scan")
@skip_tf2()
def test_single_dynamic_gru_random_weights(self):
hidden_size = 5
batch_size = 1
x_val = np.array([[1., 1.], [2., 2.], [3., 3.], [4., 4.]], dtype=np.float32)
x_val = np.stack([x_val] * batch_size)
def func(x):
initializer = tf.random_uniform_initializer(-1.0, 1.0)
# no scope
cell = GRUCell(
hidden_size,
kernel_initializer=initializer)
outputs, cell_state = dynamic_rnn(
cell,
x,
dtype=tf.float32)
return tf.identity(outputs, name="output"), tf.identity(cell_state, name="cell_state")
feed_dict = {"input_1:0": x_val}
input_names_with_port = ["input_1:0"]
output_names_with_port = ["output:0", "cell_state:0"]
self.run_test_case(func, feed_dict, input_names_with_port, output_names_with_port, 0.0001,
graph_validator=lambda g: check_gru_count(g, 1))
@check_opset_after_tf_version("1.15", 8, "might need Scan")
@skip_tf2()
def test_single_dynamic_gru_random_weights2(self):
hidden_size = 128
batch_size = 1
x_val = np.random.randn(1, 133).astype('f')
x_val = np.stack([x_val] * batch_size)
def func(x):
initializer = tf.random_uniform_initializer(0.0, 1.0)
# no scope
cell = GRUCell(
hidden_size,
kernel_initializer=initializer)
outputs, cell_state = dynamic_rnn(
cell,
x,
dtype=tf.float32)
return tf.identity(outputs, name="output"), tf.identity(cell_state, name="cell_state")
feed_dict = {"input_1:0": x_val}
input_names_with_port = ["input_1:0"]
output_names_with_port = ["output:0", "cell_state:0"]
self.run_test_case(func, feed_dict, input_names_with_port, output_names_with_port, 0.01,
graph_validator=lambda g: check_gru_count(g, 1))
@check_opset_after_tf_version("1.15", 8, "might need Scan")
@skip_tf2()
def test_dynamic_gru_output_consumed_only(self):
units = 5
batch_size = 6
x_val = np.array([[1., 1.], [2., 2.], [3., 3.]], dtype=np.float32)
x_val = np.stack([x_val] * batch_size)
def func(x):
initializer = tf.random_uniform_initializer(-1.0, 1.0)
cell1 = GRUCell(
units,
kernel_initializer=initializer)
outputs, _ = dynamic_rnn(
cell1,
x,
dtype=tf.float32)
return tf.identity(outputs, name="output")
feed_dict = {"input_1:0": x_val}
input_names_with_port = ["input_1:0"]
output_names_with_port = ["output:0"]
self.run_test_case(func, feed_dict, input_names_with_port, output_names_with_port, 0.0001,
graph_validator=lambda g: check_gru_count(g, 1))
@check_opset_after_tf_version("1.15", 8, "might need Scan")
@skip_tf2()
def test_dynamic_gru_state_consumed_only(self):
units = 5
batch_size = 6
x_val = np.array([[1., 1.], [2., 2.], [3., 3.]], dtype=np.float32)
x_val = np.stack([x_val] * batch_size)
def func(x):
initializer = tf.random_uniform_initializer(-1.0, 1.0)
cell1 = GRUCell(
units,
kernel_initializer=initializer)
_, cell_state = dynamic_rnn(
cell1,
x,
dtype=tf.float32)
return tf.identity(cell_state, name="cell_state")
feed_dict = {"input_1:0": x_val}
input_names_with_port = ["input_1:0"]
output_names_with_port = ["cell_state:0"]
self.run_test_case(func, feed_dict, input_names_with_port, output_names_with_port, rtol=0.0001, atol=1e-06,
graph_validator=lambda g: check_gru_count(g, 1))
@check_opset_after_tf_version("1.15", 10, "might need ReverseV2")
@skip_tf2()
def test_dynamic_bigru(self):
units = 5
batch_size = 1
x_val = np.array([[1., 1.], [2., 2.], [3., 3.]], dtype=np.float32)
x_val = np.stack([x_val] * batch_size)
def func(x):
initializer = init_ops.constant_initializer(0.5)
# bigru, no scope
cell1 = GRUCell(
units,
kernel_initializer=initializer)
cell2 = GRUCell(
units,
kernel_initializer=initializer)
outputs, cell_state = bidirectional_dynamic_rnn(
cell1,
cell2,
x,
dtype=tf.float32)
return tf.identity(outputs, name="output"), tf.identity(cell_state, name="cell_state")
feed_dict = {"input_1:0": x_val}
input_names_with_port = ["input_1:0"]
output_names_with_port = ["output:0", "cell_state:0"]
self.run_test_case(func, feed_dict, input_names_with_port, output_names_with_port, rtol=1e-3, atol=1e-06,
graph_validator=lambda g: check_gru_count(g, 1))
@check_opset_after_tf_version("1.15", 10, "might need ReverseV2")
@skip_tf2()
def test_dynamic_bigru_output_consumed_only(self):
units = 5
batch_size = 1
x_val = np.array([[1., 1.], [2., 2.], [3., 3.]], dtype=np.float32)
x_val = np.stack([x_val] * batch_size)
def func(x):
initializer = init_ops.constant_initializer(0.5)
# bigru, no scope
cell1 = GRUCell(
units,
kernel_initializer=initializer)
cell2 = GRUCell(
units,
kernel_initializer=initializer)
outputs, _ = bidirectional_dynamic_rnn(
cell1,
cell2,
x,
dtype=tf.float32)
return tf.identity(outputs, name="output")
feed_dict = {"input_1:0": x_val}
input_names_with_port = ["input_1:0"]
output_names_with_port = ["output:0"]
self.run_test_case(func, feed_dict, input_names_with_port, output_names_with_port, rtol=1e-3, atol=1e-06,
graph_validator=lambda g: check_gru_count(g, 1))
@check_opset_after_tf_version("1.15", 10, "might need ReverseV2")
@skip_tf2()
def test_dynamic_bigru_state_consumed_only(self):
units = 5
batch_size = 1
x_val = np.array([[1., 1.], [2., 2.], [3., 3.]], dtype=np.float32)
x_val = np.stack([x_val] * batch_size)
def func(x):
initializer = init_ops.constant_initializer(0.5)
# bigru, no scope
cell1 = GRUCell(
units,
kernel_initializer=initializer)
cell2 = GRUCell(
units,
kernel_initializer=initializer)
_, cell_state = bidirectional_dynamic_rnn(
cell1,
cell2,
x,
dtype=tf.float32)
return tf.identity(cell_state, name="cell_state")
feed_dict = {"input_1:0": x_val}
input_names_with_port = ["input_1:0"]
output_names_with_port = ["cell_state:0"]
self.run_test_case(func, feed_dict, input_names_with_port, output_names_with_port, rtol=1e-3, atol=1e-06,
graph_validator=lambda g: check_gru_count(g, 1))
@check_opset_after_tf_version("1.15", 10, "might need ReverseV2")
@skip_tf2()
def test_dynamic_bidirectional_but_one_gru(self):
units = 5
batch_size = 1
x_val = np.array([[1., 1.], [2., 2.], [3., 3.]], dtype=np.float32)
x_val = np.stack([x_val] * batch_size)
def func(x):
initializer = init_ops.constant_initializer(0.5)
# bigru, no scope
cell = GRUCell(
units,
kernel_initializer=initializer)
outputs, cell_state = bidirectional_dynamic_rnn(
cell,
cell,
x,
dtype=tf.float32)
return tf.identity(outputs, name="output"), tf.identity(cell_state, name="cell_state")
feed_dict = {"input_1:0": x_val}
input_names_with_port = ["input_1:0"]
output_names_with_port = ["output:0", "cell_state:0"]
self.run_test_case(func, feed_dict, input_names_with_port, output_names_with_port, rtol=1e-3, atol=1e-06,
graph_validator=lambda g: check_gru_count(g, 1))
@check_opset_after_tf_version("1.15", 10, "might need ReverseV2")
@skip_tf2()
def test_dynamic_bidirectional_but_one_gru_and_output_consumed_only(self):
units = 5
batch_size = 1
x_val = np.array([[1., 1.], [2., 2.], [3., 3.]], dtype=np.float32)
x_val = np.stack([x_val] * batch_size)
def func(x):
# bigru, no scope
cell = GRUCell(
units)
outputs, _ = bidirectional_dynamic_rnn(
cell,
cell,
x,
dtype=tf.float32)
return tf.identity(outputs, name="output")
feed_dict = {"input_1:0": x_val}
input_names_with_port = ["input_1:0"]
output_names_with_port = ["output:0"]
self.run_test_case(func, feed_dict, input_names_with_port, output_names_with_port, rtol=1e-3, atol=1e-06,
graph_validator=lambda g: check_gru_count(g, 1))
@check_opset_after_tf_version("1.15", 10, "might need ReverseV2")
@skip_tf2()
def test_dynamic_bidirectional_but_one_gru_and_state_consumed_only(self):
units = 5
batch_size = 1
x_val = np.array([[1., 1.], [2., 2.], [3., 3.]], dtype=np.float32)
x_val = np.stack([x_val] * batch_size)
def func(x):
# bigru, no scope
cell = GRUCell(
units)
_, cell_state = bidirectional_dynamic_rnn(
cell,
cell,
x,
dtype=tf.float32)
return tf.identity(cell_state, name="cell_state")
feed_dict = {"input_1:0": x_val}
input_names_with_port = ["input_1:0"]
output_names_with_port = ["cell_state:0"]
self.run_test_case(func, feed_dict, input_names_with_port, output_names_with_port, rtol=1e-3, atol=1e-06,
graph_validator=lambda g: check_gru_count(g, 1))
@check_opset_after_tf_version("1.15", 10, "might need ReverseV2")
@skip_tf2()
def test_dynamic_bigru_unknown_batch_size(self):
units = 5
batch_size = 6
x_val = np.array([[1., 1.], [2., 2.], [3., 3.]], dtype=np.float32)
x_val = np.stack([x_val] * batch_size)
def func(x):
cell1 = GRUCell(units)
cell2 = GRUCell(units)
_, cell_state = bidirectional_dynamic_rnn(
cell1,
cell2,
x,
dtype=tf.float32,
)
return tf.identity(cell_state, name="cell_state")
feed_dict = {"input_1:0": x_val}
input_names_with_port = ["input_1:0"]
output_names_with_port = ["cell_state:0"]
self.run_test_case(func, feed_dict, input_names_with_port, output_names_with_port, rtol=1e-06,
graph_validator=lambda g: check_gru_count(g, 1))
@check_opset_after_tf_version("1.15", 10, "might need ReverseV2")
@skip_tf2()
def test_dynamic_bigru_outputs_partially_consumed(self):
units = 5
batch_size = 6
x_val = np.array([[1., 1.], [2., 2.], [3., 3.]], dtype=np.float32)
x_val = np.stack([x_val] * batch_size)
def func(x):
cell1 = GRUCell(units)
cell2 = GRUCell(units)
(output_fw, _), (_, state_bw) = bidirectional_dynamic_rnn(
cell1,
cell2,
x,
dtype=tf.float32)
return tf.identity(output_fw, name="output"), tf.identity(state_bw, name="cell_state")
feed_dict = {"input_1:0": x_val}
input_names_with_port = ["input_1:0"]
output_names_with_port = ["output:0", "cell_state:0"]
self.run_test_case(func, feed_dict, input_names_with_port, output_names_with_port, rtol=1e-06,
graph_validator=lambda g: check_gru_count(g, 1))
@check_opset_after_tf_version("1.15", 10, "might need ReverseV2")
@skip_tf2()
def test_dynamic_multi_bigru_with_same_input_hidden_size(self):
batch_size = 10
x_val = np.array([[1., 1.], [2., 2.], [3., 3.]], dtype=np.float32)
x_val = np.stack([x_val] * batch_size)
def func(x):
# bigru, no scope
units = 5
cell1 = GRUCell(units)
cell2 = GRUCell(units)
outputs_1, cell_state_1 = bidirectional_dynamic_rnn(
cell1,
cell2,
x,
dtype=tf.float32,
scope="bigru_1"
)
units = 10
cell1 = GRUCell(units)
cell2 = GRUCell(units)
outputs_2, cell_state_2 = bidirectional_dynamic_rnn(
cell1,
cell2,
x,
dtype=tf.float32,
scope="bigru_2"
)
return tf.identity(outputs_1, name="output_1"), \
tf.identity(cell_state_1, name="cell_state_1"), \
tf.identity(outputs_2, name="output_2"), \
tf.identity(cell_state_2, name="cell_state_2")
feed_dict = {"input_1:0": x_val}
input_names_with_port = ["input_1:0"]
output_names_with_port = ["output_1:0", "cell_state_1:0", "output_2:0", "cell_state_2:0"]
self.run_test_case(func, feed_dict, input_names_with_port, output_names_with_port, rtol=1e-3, atol=1e-06)
# graph_validator=lambda g: check_gru_count(g, 2))
@check_opset_after_tf_version("1.15", 10, "might need ReverseV2")
@skip_tf2()
def test_dynamic_multi_bigru_with_same_input_seq_len(self):
units = 5
batch_size = 10
x_val = np.array([[1., 1.], [2., 2.], [3., 3.]], dtype=np.float32)
x_val = np.stack([x_val] * batch_size)
seq_len_val = np.array([3], dtype=np.int32)
def func(x, y1, y2):
seq_len1 = tf.tile(y1, [batch_size])
cell1 = GRUCell(units)
cell2 = GRUCell(units)
outputs_1, cell_state_1 = bidirectional_dynamic_rnn(
cell1,
cell2,
x,
sequence_length=seq_len1,
dtype=tf.float32,
scope="bigru_1"
)
seq_len2 = tf.tile(y2, [batch_size])
cell1 = GRUCell(units)
cell2 = GRUCell(units)
outputs_2, cell_state_2 = bidirectional_dynamic_rnn(
cell1,
cell2,
x,
sequence_length=seq_len2,
dtype=tf.float32,
scope="bigru_2"
)
return tf.identity(outputs_1, name="output_1"), \
tf.identity(cell_state_1, name="cell_state_1"), \
tf.identity(outputs_2, name="output_2"), \
tf.identity(cell_state_2, name="cell_state_2")
feed_dict = {"input_1:0": x_val, "input_2:0": seq_len_val, "input_3:0": seq_len_val}
input_names_with_port = ["input_1:0", "input_2:0", "input_3:0"]
output_names_with_port = ["output_1:0", "cell_state_1:0", "output_2:0", "cell_state_2:0"]
self.run_test_case(func, feed_dict, input_names_with_port, output_names_with_port, rtol=1e-3, atol=1e-06)
# graph_validator=lambda g: check_gru_count(g, 2))
if __name__ == '__main__':
unittest_main()