def testSparseRepeatedIndices(self):
for dtype in [dtypes.half, dtypes.float32, dtypes.float64]:
with self.cached_session():
repeated_index_update_var = variables.Variable(
[[1.0], [2.0]], dtype=dtype)
aggregated_update_var = variables.Variable(
[[1.0], [2.0]], dtype=dtype)
grad_repeated_index = ops.IndexedSlices(
constant_op.constant(
[0.1, 0.1], shape=[2, 1], dtype=dtype),
constant_op.constant([1, 1]),
constant_op.constant([2, 1]))
grad_aggregated = ops.IndexedSlices(
constant_op.constant(
[0.2], shape=[1, 1], dtype=dtype),
constant_op.constant([1]),
constant_op.constant([2, 1]))
repeated_update = adagrad.AdagradOptimizer(3.0).apply_gradients(
[(grad_repeated_index, repeated_index_update_var)])
aggregated_update = adagrad.AdagradOptimizer(3.0).apply_gradients(
[(grad_aggregated, aggregated_update_var)])
variables.global_variables_initializer().run()
self.assertAllClose(aggregated_update_var.eval(),
repeated_index_update_var.eval())
for _ in range(3):
repeated_update.run()
aggregated_update.run()
self.assertAllClose(aggregated_update_var.eval(),
repeated_index_update_var.eval())
def _get_estimator(self,
train_distribute,
eval_distribute,
remote_cluster=None):
input_dimension = LABEL_DIMENSION
linear_feature_columns = [
feature_column.numeric_column("x", shape=(input_dimension,))
]
dnn_feature_columns = [
feature_column.numeric_column("x", shape=(input_dimension,))
]
return dnn_linear_combined.DNNLinearCombinedRegressor(
linear_feature_columns=linear_feature_columns,
dnn_hidden_units=(2, 2),
dnn_feature_columns=dnn_feature_columns,
label_dimension=LABEL_DIMENSION,
model_dir=self._model_dir,
dnn_optimizer=adagrad.AdagradOptimizer(0.001),
linear_optimizer=adagrad.AdagradOptimizer(0.001),
config=run_config_lib.RunConfig(
experimental_distribute=DistributeConfig(
train_distribute=train_distribute,
eval_distribute=eval_distribute,
remote_cluster=remote_cluster)))
def test_complete_flow_with_mode(self, distribution):
label_dimension = 2
input_dimension = label_dimension
batch_size = 10
data = np.linspace(0.,
2.,
batch_size * label_dimension,
dtype=np.float32)
data = data.reshape(batch_size, label_dimension)
train_input_fn = self.dataset_input_fn(
x={'x': data},
y=data,
batch_size=batch_size // len(distribution.worker_devices),
shuffle=True)
eval_input_fn = numpy_io.numpy_input_fn(x={'x': data},
y=data,
batch_size=batch_size,
shuffle=False)
predict_input_fn = numpy_io.numpy_input_fn(x={'x': data},
batch_size=batch_size,
shuffle=False)
linear_feature_columns = [
feature_column.numeric_column('x', shape=(input_dimension, ))
]
dnn_feature_columns = [
feature_column.numeric_column('x', shape=(input_dimension, ))
]
feature_columns = linear_feature_columns + dnn_feature_columns
estimator = dnn_linear_combined.DNNLinearCombinedRegressor(
linear_feature_columns=linear_feature_columns,
dnn_hidden_units=(2, 2),
dnn_feature_columns=dnn_feature_columns,
label_dimension=label_dimension,
model_dir=self._model_dir,
# TODO(isaprykin): Work around the colocate_with error.
dnn_optimizer=adagrad.AdagradOptimizer(0.001),
linear_optimizer=adagrad.AdagradOptimizer(0.001),
config=run_config.RunConfig(train_distribute=distribution))
num_steps = 10
estimator.train(train_input_fn, steps=num_steps)
scores = estimator.evaluate(eval_input_fn)
self.assertEqual(num_steps, scores[ops.GraphKeys.GLOBAL_STEP])
self.assertIn('loss', six.iterkeys(scores))
predictions = np.array([
x[prediction_keys.PredictionKeys.PREDICTIONS]
for x in estimator.predict(predict_input_fn)
])
self.assertAllEqual((batch_size, label_dimension), predictions.shape)
feature_spec = feature_column.make_parse_example_spec(feature_columns)
serving_input_receiver_fn = export.build_parsing_serving_input_receiver_fn(
feature_spec)
export_dir = estimator.export_savedmodel(tempfile.mkdtemp(),
serving_input_receiver_fn)
self.assertTrue(gfile.Exists(export_dir))
def doTestBasic(self, use_locking=False, use_resource=False):
for dtype in [dtypes.half, dtypes.float32, dtypes.float64]:
with self.cached_session():
if use_resource:
var0 = resource_variable_ops.ResourceVariable([1.0, 2.0], dtype=dtype)
var1 = resource_variable_ops.ResourceVariable([3.0, 4.0], dtype=dtype)
else:
var0 = variables.Variable([1.0, 2.0], dtype=dtype)
var1 = variables.Variable([3.0, 4.0], dtype=dtype)
grads0 = constant_op.constant([0.1, 0.1], dtype=dtype)
grads1 = constant_op.constant([0.01, 0.01], dtype=dtype)
ada_opt = adagrad.AdagradOptimizer(
3.0, initial_accumulator_value=0.1, use_locking=use_locking)
ada_update = ada_opt.apply_gradients(
zip([grads0, grads1], [var0, var1]))
variables.global_variables_initializer().run()
# Fetch params to validate initial values
self.assertAllClose([1.0, 2.0], var0.eval())
self.assertAllClose([3.0, 4.0], var1.eval())
# Run 3 steps of adagrad
for _ in range(3):
ada_update.run()
# Validate updated params
self.assertAllCloseAccordingToType(
np.array([-1.6026098728179932, -0.6026098728179932]), var0.eval())
self.assertAllCloseAccordingToType(
np.array([2.715679168701172, 3.715679168701172]), var1.eval())
def testDynamicShapeVariable_Ok(self):
with self.cached_session():
v = variable_scope.get_variable("v", initializer=constant_op.constant(1.),
validate_shape=False)
self.assertFalse(v.shape.is_fully_defined())
# Creating optimizer should cause no exception.
adagrad.AdagradOptimizer(3.0, initial_accumulator_value=0.1)
def testSharing(self):
for dtype in [dtypes.half, dtypes.float32, dtypes.float64]:
with self.cached_session():
var0 = variables.Variable([1.0, 2.0], dtype=dtype)
var1 = variables.Variable([3.0, 4.0], dtype=dtype)
grads0 = constant_op.constant([0.1, 0.1], dtype=dtype)
grads1 = constant_op.constant([0.01, 0.01], dtype=dtype)
ada_opt = adagrad.AdagradOptimizer(3.0)
# Apply the optimizer twice. Both applications will use
# the same accums.
ada_update1 = ada_opt.apply_gradients(
zip([grads0, grads1], [var0, var1]))
ada_update2 = ada_opt.apply_gradients(
zip([grads0, grads1], [var0, var1]))
self.assertEqual(["accumulator"], ada_opt.get_slot_names())
slot0 = ada_opt.get_slot(var0, "accumulator")
self.assertEquals(slot0.get_shape(), var0.get_shape())
slot1 = ada_opt.get_slot(var1, "accumulator")
self.assertEquals(slot1.get_shape(), var1.get_shape())
variables.global_variables_initializer().run()
# Fetch params to validate initial values.
self.assertAllClose([1.0, 2.0], var0.eval())
self.assertAllClose([3.0, 4.0], var1.eval())
# Mix the first and the second adagrad for 3 steps.
ada_update1.run()
ada_update2.run()
ada_update1.run()
# Validate updated params (the same as with only 1 Adagrad).
self.assertAllCloseAccordingToType(
np.array([-1.6026098728179932, -0.6026098728179932]), var0.eval())
self.assertAllCloseAccordingToType(
np.array([2.715679168701172, 3.715679168701172]), var1.eval())
def testSparseStability(self):
for dtype in [dtypes.half, dtypes.float32, dtypes.float64]:
with self.cached_session():
shape = [1, 6]
var0 = variables.Variable(
[[
0.00872496, -0.106952, 0.110467, 0.226505, -0.0147257,
-0.0105945
]],
dtype=dtype)
grads0 = ops.IndexedSlices(
constant_op.constant(
[[
-5.91278e-05, 5.31673e-05, -2.5779e-06, 4.29153e-05,
-8.4877e-05, -9.48906e-05
]],
shape=shape,
dtype=dtype),
constant_op.constant([0]),
constant_op.constant(shape))
ada_opt = adagrad.AdagradOptimizer(1.0, initial_accumulator_value=0.1)
ada_update = ada_opt.apply_gradients(zip([grads0], [var0]))
self.assertEqual(["accumulator"], ada_opt.get_slot_names())
slot0 = ada_opt.get_slot(var0, "accumulator")
init = variables.global_variables_initializer()
for _ in range(100):
init.run()
ada_update.run()
self.assertAllCloseAccordingToType(
np.array([[0.1, 0.1, 0.1, 0.1, 0.1, 0.1]]), slot0.eval())
self.assertAllCloseAccordingToType(
np.array([[
0.00891194, -0.10712013, 0.11047515, 0.22636929, -0.0144573,
-0.01029443
]]), var0.eval())
def testSparseBasic(self):
for dtype in [dtypes.half, dtypes.float32, dtypes.float64]:
with self.cached_session():
var0 = variables.Variable([[1.0], [2.0]], dtype=dtype)
var1 = variables.Variable([[3.0], [4.0]], dtype=dtype)
grads0 = ops.IndexedSlices(
constant_op.constant(
[0.1], shape=[1, 1], dtype=dtype),
constant_op.constant([0]),
constant_op.constant([2, 1]))
grads1 = ops.IndexedSlices(
constant_op.constant(
[0.01], shape=[1, 1], dtype=dtype),
constant_op.constant([1]),
constant_op.constant([2, 1]))
ada_opt = adagrad.AdagradOptimizer(3.0, initial_accumulator_value=0.1)
ada_update = ada_opt.apply_gradients(
zip([grads0, grads1], [var0, var1]))
variables.global_variables_initializer().run()
# Fetch params to validate initial values
self.assertAllClose([[1.0], [2.0]], var0.eval())
self.assertAllClose([[3.0], [4.0]], var1.eval())
# Run 3 step of sgd
for _ in range(3):
ada_update.run()
# Validate updated params
self.assertAllCloseAccordingToType(
np.array([[-1.6026098728179932], [2.0]]), var0.eval())
self.assertAllCloseAccordingToType(
np.array([[3.0], [3.715679168701172]]), var1.eval())
def testSparseRepeatedIndicesResourceVariable(self):
for dtype in [dtypes.half, dtypes.float32, dtypes.float64]:
with self.cached_session():
var_repeated = resource_variable_ops.ResourceVariable(
[1.0, 2.0], dtype=dtype)
loss_repeated = math_ops.reduce_sum(
embedding_ops.embedding_lookup(var_repeated, [0, 0]))
var_aggregated = resource_variable_ops.ResourceVariable(
[1.0, 2.0], dtype=dtype)
loss_aggregated = 2 * math_ops.reduce_sum(
embedding_ops.embedding_lookup(var_aggregated, [0]))
update_op_repeated = adagrad.AdagradOptimizer(
2.0).minimize(loss_repeated)
update_op_aggregated = adagrad.AdagradOptimizer(
2.0).minimize(loss_aggregated)
variables.global_variables_initializer().run()
self.assertAllCloseAccordingToType(
var_repeated.eval(), var_aggregated.eval())
for _ in range(3):
update_op_repeated.run()
update_op_aggregated.run()
self.assertAllCloseAccordingToType(
var_repeated.eval(), var_aggregated.eval())
def testMinimizeSparseResourceVariable(self):
for dtype in [dtypes.half, dtypes.float32, dtypes.float64]:
with self.cached_session():
var0 = resource_variable_ops.ResourceVariable(
[[1.0, 2.0], [3.0, 4.0]], dtype=dtype)
x = constant_op.constant([[4.0], [5.0]], dtype=dtype)
pred = math_ops.matmul(embedding_ops.embedding_lookup([var0], [0]), x)
loss = pred * pred
sgd_op = adagrad.AdagradOptimizer(1.0).minimize(loss)
variables.global_variables_initializer().run()
# Fetch params to validate initial values
self.assertAllCloseAccordingToType(
[[1.0, 2.0], [3.0, 4.0]], var0.eval())
# Run 1 step of sgd
sgd_op.run()
# Validate updated params
self.assertAllCloseAccordingToType(
[[0, 1], [3, 4]], var0.eval(), atol=0.01)
def testTensorLearningRate(self):
for dtype in [dtypes.half, dtypes.float32, dtypes.float64]:
with self.test_session():
var0 = variables.Variable([1.0, 2.0], dtype=dtype)
var1 = variables.Variable([3.0, 4.0], dtype=dtype)
grads0 = constant_op.constant([0.1, 0.1], dtype=dtype)
grads1 = constant_op.constant([0.01, 0.01], dtype=dtype)
ada_opt = adagrad.AdagradOptimizer(
constant_op.constant(3.0), initial_accumulator_value=0.1)
ada_update = ada_opt.apply_gradients(
zip([grads0, grads1], [var0, var1]))
variables.global_variables_initializer().run()
# Fetch params to validate initial values
self.assertAllClose([1.0, 2.0], var0.eval())
self.assertAllClose([3.0, 4.0], var1.eval())
# Run 3 steps of adagrad
for _ in range(3):
ada_update.run()
# Validate updated params
self.assertAllCloseAccordingToType(
np.array([-1.6026098728179932, -0.6026098728179932]), var0.eval())
self.assertAllCloseAccordingToType(
np.array([2.715679168701172, 3.715679168701172]), var1.eval())
gradient_descent_optimizer_v1_fn = NamedObject(
"GradientDescentV1", lambda: gradient_descent.GradientDescentOptimizer(0.2))
adagrad_optimizer_v1_fn = NamedObject(
"AdagradV1", lambda: adagrad.AdagradOptimizer(0.001))
adam_optimizer_v1_fn = NamedObject("AdamV1",
lambda: adam.AdamOptimizer(0.001, epsilon=1))
rmsprop_optimizer_v1_fn = NamedObject(
"RmsPropV1", lambda: rmsprop.RMSPropOptimizer(0.001))
optimizers_v1 = [gradient_descent_optimizer_v1_fn, adagrad_optimizer_v1_fn]
gradient_descent_optimizer_v2_fn = NamedObject(
"GradientDescentV2",
lambda: gradient_descent_v2.GradientDescentOptimizer(0.2))
adagrad_optimizer_v2_fn = NamedObject(
"AdagradV2", lambda: adagrad_v2.AdagradOptimizer(0.001))
adam_optimizer_v2_fn = NamedObject(
"AdamV2", lambda: adam_v2.AdamOptimizer(0.001, epsilon=1))
optimizers_v2 = [gradient_descent_optimizer_v2_fn, adagrad_optimizer_v2_fn]
graph_and_eager_modes = ["graph", "eager"]
def distributions_and_v1_optimizers():
"""A common set of combination with DistributionStrategies and Optimizers."""
return combine(
distribution=[
one_device_strategy,
mirrored_strategy_with_gpu_and_cpu,
mirrored_strategy_with_two_gpus,
