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- # Copyright 2020 Huawei Technologies Co., Ltd
- #
- # 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.
- # ============================================================================
- """Learning rate generator."""
-
-
- def get_lr(epoch_size, step_size, lr_init):
- """
- generate learning rate for each step, which decays in every 10 epoch
-
- Args:
- epoch_size(int): total epoch number
- step_size(int): total step number in each step
- lr_init(int): initial learning rate
-
- Returns:
- List, learning rate array
- """
- lr = lr_init
- lrs = []
- for i in range(1, epoch_size + 1):
- if i % 10 == 0:
- lr *= 0.1
- lrs.extend([lr for _ in range(step_size)])
- return lrs
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