def test_l2decay_regularizer(self):
program = framework.Program()
block = program.global_block()
mul_x = block.create_parameter(
dtype="float32",
shape=[5, 10],
lod_level=0,
name="mul.x",
regularizer=regularizer.L1DecayRegularizer(0.5))
self.assertTrue(mul_x.regularizer is not None)
self.assertTrue(
isinstance(mul_x.regularizer, regularizer.L1DecayRegularizer))
mul_y = block.create_var(
dtype="float32", shape=[10, 8], lod_level=0, name="mul.y")
mul_out = block.create_var(
dtype="float32", shape=[5, 8], lod_level=0, name="mul.out")
block.append_op(
type="mul",
inputs={"X": mul_x,
"Y": mul_y},
outputs={"Out": mul_out},
attrs={"x_num_col_dims": 1})
mean_out = block.create_var(
dtype="float32", shape=[1], lod_level=0, name="mean.out")
block.append_op(
type="mean", inputs={"X": mul_out}, outputs={"Out": mean_out})
params_grads = append_backward(mean_out)
self.assertEqual(len(params_grads), 1)
count_ops = len(block.ops)
params_grads = optimizer.append_regularization_ops(params_grads)
self.assertEqual(len(params_grads), 1)
self.assertEqual(len(block.ops), count_ops + 3)
self.assertEqual(block.ops[-1].type, 'sum')
self.assertEqual(block.ops[-2].type, 'scale')
self.assertEqual(block.ops[-3].type, 'sign')
def test_l2decay_regularizer(self):
program = framework.Program()
block = program.global_block()
mul_x = block.create_parameter(
dtype="float32",
shape=[5, 10],
lod_level=0,
name="mul.x",
regularizer=regularizer.L1DecayRegularizer(0.5))
self.assertTrue(mul_x.regularizer is not None)
self.assertTrue(
isinstance(mul_x.regularizer, regularizer.L1DecayRegularizer))
mul_y = block.create_var(
dtype="float32", shape=[10, 8], lod_level=0, name="mul.y")
mul_out = block.create_var(
dtype="float32", shape=[5, 8], lod_level=0, name="mul.out")
block.append_op(
type="mul",
inputs={"X": mul_x,
"Y": mul_y},
outputs={"Out": mul_out},
attrs={"x_num_col_dims": 1})
mean_out = block.create_var(
dtype="float32", shape=[1], lod_level=0, name="mean.out")
block.append_op(
type="mean", inputs={"X": mul_out}, outputs={"Out": mean_out})
params_grads = append_backward(mean_out)
self.assertEqual(len(params_grads), 1)
count_ops = len(block.ops)
params_grads = optimizer.append_regularization_ops(params_grads)
self.assertEqual(len(params_grads), 1)
self.assertEqual(len(block.ops), count_ops + 3)
self.assertEqual(block.ops[-1].type, 'elementwise_add')
self.assertEqual(block.ops[-2].type, 'scale')
self.assertEqual(block.ops[-3].type, 'sign')