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37 lines
1.5 KiB
37 lines
1.5 KiB
# Copyright 2020 Huawei Technologies Co., Ltd
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#
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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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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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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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# ============================================================================
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"""Util class or function."""
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def get_param_groups(network):
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"""Param groups for optimizer."""
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decay_params = []
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no_decay_params = []
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for x in network.trainable_params():
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parameter_name = x.name
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if parameter_name.endswith('.bias'):
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# all bias not using weight decay
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no_decay_params.append(x)
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elif parameter_name.endswith('.gamma'):
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# bn weight bias not using weight decay, be carefully for now x not include BN
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no_decay_params.append(x)
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elif parameter_name.endswith('.beta'):
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# bn weight bias not using weight decay, be carefully for now x not include BN
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no_decay_params.append(x)
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else:
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decay_params.append(x)
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return [{'params': no_decay_params, 'weight_decay': 0.0}, {'params': decay_params}]
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