55 lines
1.7 KiB
55 lines
1.7 KiB
/* Copyright (c) 2016 PaddlePaddle Authors. All Rights Reserve.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License. */
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#include "Regularizer.h"
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#include "paddle/utils/Flags.h"
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#include "paddle/utils/Util.h"
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namespace paddle {
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Regularizer* Regularizer::get(const std::vector<ParameterType>& types,
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const ParameterConfig& paraConfig) {
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bool useLearningRateVec =
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std::find(types.begin(), types.end(), PARAMETER_LEARNING_RATE) !=
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types.end();
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if (paraConfig.decay_rate_l1() > 0.0f &&
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paraConfig.decay_rate() > 0.0f) { // use L1 and L2
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if (useLearningRateVec) {
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static L1L2LrRegularizer regularizer_;
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return ®ularizer_;
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}
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static L1L2Regularizer regularizer_;
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return ®ularizer_;
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}
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if (paraConfig.decay_rate_l1() > 0.0f) { // use L1 only
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if (useLearningRateVec) {
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static L1LrRegularizer regularizer_;
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return ®ularizer_;
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}
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static L1Regularizer regularizer_;
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return ®ularizer_;
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}
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if (paraConfig.decay_rate() > 0.0f) { // use L2 only
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if (useLearningRateVec) {
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static L2LrRegularizer regularizer_;
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return ®ularizer_;
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}
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static L2Regularizer regularizer_;
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return ®ularizer_;
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}
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return nullptr;
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}
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} // namespace paddle
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