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Paddle/python/paddle/fluid/tests/unittests/test_decayed_adagrad_op.py

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2.6 KiB

# Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from __future__ import print_function
import unittest
import numpy as np
from op_test import OpTest
class TestDecayedAdagradOp1(OpTest):
''' Test DecayedAdagrad operator with explicit attributes
'''
def setUp(self):
self.op_type = "decayed_adagrad"
param = np.random.random((123, 321)).astype("float32")
grad = np.random.random((123, 321)).astype("float32")
moment = np.zeros((123, 321)).astype("float32")
lr = 0.01
decay = 0.80
epsilon = 1e-8
self.inputs = {
'Param': param,
'Grad': grad,
'Moment': moment,
'LearningRate': np.array([lr]).astype("float32")
}
self.attrs = {'decay': decay, 'epsilon': epsilon}
moment_out = decay * moment + (1 - decay) * grad * grad
param_out = param - lr * grad / (np.sqrt(moment_out) + epsilon)
self.outputs = {'ParamOut': param_out, 'MomentOut': moment_out}
def test_check_output(self):
self.check_output()
class TestDecayedAdagradOp2(OpTest):
''' Test DecayedAdagrad operator with default attributes
'''
def setUp(self):
self.op_type = "decayed_adagrad"
param = np.random.random((123, 321)).astype("float32")
grad = np.random.random((123, 321)).astype("float32")
moment = np.zeros((123, 321)).astype("float32")
lr = 0.01
decay = 0.95
epsilon = 1e-6
self.inputs = {
'Param': param,
'Grad': grad,
'Moment': moment,
'LearningRate': np.array([lr]).astype("float32")
}
self.attrs = {'decay': decay, 'epsilon': epsilon}
moment_out = decay * moment + (1 - decay) * grad * grad
param_out = param - lr * grad / (np.sqrt(moment_out) + epsilon)
self.outputs = {'ParamOut': param_out, 'MomentOut': moment_out}
def test_check_output(self):
self.check_output()
if __name__ == "__main__":
unittest.main()