def build_test_residual_graph(self, backend):
"""Create a residual model.
The graph contains a residual connection, where the output of conv0 and
conv2 is added at the end."""
np_dtype = test_backend_dtypes[backend]
self.expected_dtype = datatypes.np_to_smaug_type[np_dtype]
with Graph(name="test_residual_graph", backend=backend) as graph:
input_tensor = Tensor(
data_layout=types_pb2.NCHW,
tensor_data=np.random.rand(1, 1, 28, 28).astype(np_dtype))
filter_tensor0 = Tensor(
data_layout=types_pb2.NCHW,
tensor_data=np.random.rand(64, 1, 3, 3).astype(np_dtype))
filter_tensor1 = Tensor(
data_layout=types_pb2.NCHW,
tensor_data=np.random.rand(64, 1, 3, 3).astype(np_dtype))
filter_tensor2 = Tensor(
data_layout=types_pb2.NCHW,
tensor_data=np.random.rand(64, 64, 3, 3).astype(np_dtype))
bn_mean_tensor = Tensor(
data_layout=types_pb2.NC,
tensor_data=np.random.rand(1, 64).astype(np_dtype))
bn_var_tensor = Tensor(
data_layout=types_pb2.NC,
tensor_data=np.random.rand(1, 64).astype(np_dtype))
bn_gamma_tensor = Tensor(
data_layout=types_pb2.NC,
tensor_data=np.random.rand(1, 64).astype(np_dtype))
bn_beta_tensor = Tensor(
data_layout=types_pb2.NC,
tensor_data=np.random.rand(1, 64).astype(np_dtype))
act = data_op.input_data(input_tensor, "input")
x = nn_ops.convolution(
act, filter_tensor0, stride=[1, 1], padding="same", name="conv0")
out = nn_ops.convolution(
act, filter_tensor1, stride=[1, 1], padding="same", name="conv1")
out = nn_ops.batch_norm(
out, bn_mean_tensor, bn_var_tensor, bn_gamma_tensor, bn_beta_tensor,
name="bn")
out = activation_ops.relu(out, "relu")
out = nn_ops.convolution(
out, filter_tensor2, stride=[1, 1], padding="same", name="conv2")
out = math_ops.add(x, out, "add")
out = math_ops.mul(x, out, "mul")
# Concatenate the channel dimension of x and out.
axis = 1 if out.shape.layout == types_pb2.NCHW else 3
out = array_ops.concat([x, out], axis, "concat")
# Evenly split the tensor into 4 over the channel dimension.
out0, out1, out2, out3 = array_ops.split(out, 4, axis, "split")
out = math_ops.mul(
math_ops.add(out0, out1, "add1"), math_ops.add(out2, out3, "add2"),
"mul1")
self.test_graph, _ = graph.to_proto()
self.backend = backend
self.alignment = global_vars.backend_alignment[
self.test_graph.backend]
def func_true(a, b):
minus_one = Tensor(
data_layout=types_pb2.N, tensor_data=np.array([-1], dtype=self.dtype))
res = control_flow_ops.cond(
math_ops.less(a, b),
lambda: math_ops.add(a, math_ops.mul(b, minus_one)),
lambda: math_ops.add(a, b))[0]
# Use the cond results before returning.
return math_ops.mul(res, res)
def test_mul(self):
batch = 4
channels = 32
tf_a = tf.Variable(initializer(shape=[batch, channels], dtype=self.dtype))
tf_b = tf.Variable(initializer(shape=[batch, channels], dtype=self.dtype))
tf_result = tf.math.multiply(tf_a, tf_b)
a = Tensor(data_layout=types_pb2.NC, tensor_data=tf_a.numpy())
b = Tensor(data_layout=types_pb2.NC, tensor_data=tf_b.numpy())
with Graph(name=self.graph_name, backend=self.backend) as graph:
math_ops.mul(a, b)
self.runAndValidate(graph, tf_result, decimal=3)
def test_parent_use_child_outputs(self):
with Graph(parent_graph_name, backend) as parent_graph:
with Graph(child_graph_name, backend) as child_graph:
z = math_ops.add(x, y, name="add")
w = math_ops.add(z, z, name="add_1")
u = math_ops.mul(z, z, name="mul")
out = math_ops.mul(w, u, name="mul_1")
self.assertGraphContains(parent_graph, {"add", "add_1", "mul", "mul_1"})
self.assertNodesConnected(
parent_graph, {
"add_1": ["add", "add"],
"mul": ["add", "add"],
"mul_1": ["add_1", "mul"]
})
def test_shared_data_op(self):
with Graph(graph_name, backend) as test_graph:
x = Tensor(data_layout=types_pb2.N, tensor_data=np.array([1]))
y = Tensor(data_layout=types_pb2.N, tensor_data=np.array([1]))
res = math_ops.add(x, y)
res = math_ops.mul(x, res)
self.assertEqual(get_num_data_nodes(test_graph), 2)
def func_true(a, b):
minus_one = Tensor(
data_layout=types_pb2.N, tensor_data=np.array([-1], dtype=self.dtype))
return control_flow_ops.cond(
math_ops.less(a, b),
lambda: math_ops.add(a, math_ops.mul(b, minus_one)),
lambda: math_ops.add(a, b))
def test_use_existing_data_op_in_parent_graph(self):
with Graph(graph_name, backend) as parent_graph:
x = Tensor(data_layout=types_pb2.N, tensor_data=np.array([1]))
y = Tensor(data_layout=types_pb2.N, tensor_data=np.array([1]))
res = math_ops.mul(x, y)
with Graph(graph_name + "_subgraph", backend) as child_graph:
res = math_ops.add(x, y)
self.assertEqual(get_num_data_nodes(parent_graph), 2)
def step(self, input_tensor, timestep):
"""Invoke this cell for a single timestep.
Args:
input_tensor: An input tensor of shape [batch, depth].
timestep: The start timestep. This is used for naming the output tensors.
Returns:
Output contains two parts:
1) An output tensor of shape [Batch, Depth].
2) The final state of the LSTM.
"""
x = input_tensor
name_pfx = self.name + "step%d:" % timestep
z = nn_ops.mat_mul(x, self.kernel, name=name_pfx + "mm_f")
z = math_ops.add(
z, nn_ops.mat_mul(self.h, self.recurrent_kernel, name="mm_u"),
name=name_pfx + "add_z")
# i = input_gate, c = new_input, f = forget_gate, o = output_gate
zi, zf, zc, zo = array_ops.split(z, num_or_size_splits=4, axis=1)
i = activation_ops.sigmoid(zi, name=name_pfx + "sigmoid_i")
f = activation_ops.sigmoid(zf, name=name_pfx + "sigmoid_f")
c = math_ops.add(
math_ops.mul(f, self.c, name=name_pfx + "mul_f"),
math_ops.mul(
i,
self.activation(
zc, **self.activation_params, name=name_pfx + "act0"),
name=name_pfx + "mul_i"), name=name_pfx + "add_c")
o = activation_ops.sigmoid(zo, name=name_pfx + "sigmoid_o")
h = math_ops.mul(
o, self.activation(c, **self.activation_params, name=name_pfx + "act1"),
name=name_pfx + "mul_h")
self.c = c
self.h = h
return self.h, self.c
def test_cond_op_simple_func(self):
with Graph(name=self.graph_name, backend=self.backend) as graph:
x0 = Tensor(
data_layout=types_pb2.N, tensor_data=np.array([2], dtype=self.dtype))
x1 = Tensor(
data_layout=types_pb2.N, tensor_data=np.array([5], dtype=self.dtype))
y = Tensor(
data_layout=types_pb2.N, tensor_data=np.array([10], dtype=self.dtype))
z = Tensor(
data_layout=types_pb2.N, tensor_data=np.array([20], dtype=self.dtype))
expected_res = Tensor(
data_layout=types_pb2.N, tensor_data=np.array([30], dtype=self.dtype))
# res = y + z if x0 < x1 else y * z
res = control_flow_ops.cond(
math_ops.less(x0, x1), lambda: math_ops.add(y, z),
lambda: math_ops.mul(y, z))
self.runAndValidate(graph, expected_res.tensor_data)
def test_cond_op_func_call(self):
def func(a, b):
minus_three = Tensor(
data_layout=types_pb2.N, tensor_data=np.array([-3], dtype=self.dtype))
return math_ops.add(a, math_ops.mul(b, minus_three))
with Graph(name=self.graph_name, backend=self.backend) as graph:
x0 = Tensor(
data_layout=types_pb2.N, tensor_data=np.array([2], dtype=self.dtype))
x1 = Tensor(
data_layout=types_pb2.N, tensor_data=np.array([5], dtype=self.dtype))
y = Tensor(
data_layout=types_pb2.N, tensor_data=np.array([10], dtype=self.dtype))
z = Tensor(
data_layout=types_pb2.N, tensor_data=np.array([20], dtype=self.dtype))
expected_res = Tensor(
data_layout=types_pb2.N, tensor_data=np.array([-50],
dtype=self.dtype))
# res = y - 3z if x0 < x1 else y * z
res = control_flow_ops.cond(
math_ops.less(x0, x1), lambda: func(y, z), lambda: math_ops.mul(y, z))
self.runAndValidate(graph, expected_res.tensor_data)
def test_user_supplied_names0(self):
with Graph(graph_name, backend) as test_graph:
res = math_ops.add(x, y, name="add")
res = math_ops.mul(res, res, name="mul")
self.assertEqual(get_node_names(test_graph), {"add", "mul"})
def test_default_names(self):
with Graph(graph_name, backend) as test_graph:
res = math_ops.add(x, y)
res = math_ops.mul(x, res)
self.assertEqual(get_node_names(test_graph), {"add", "mul"})
def func_false(a, b):
two = Tensor(
data_layout=types_pb2.N, tensor_data=np.array([2], dtype=self.dtype))
return control_flow_ops.cond(
math_ops.greater(a, b), lambda: math_ops.mul(a, two),
lambda: math_ops.mul(b, two))
def func(a, b):
minus_three = Tensor(
data_layout=types_pb2.N, tensor_data=np.array([-3], dtype=self.dtype))
return math_ops.add(a, math_ops.mul(b, minus_three))