38 lines
1.2 KiB
Python
38 lines
1.2 KiB
Python
# Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
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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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from __future__ import absolute_import, division, print_function, unicode_literals
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import paddle
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class UnpackDataLoader(paddle.io.DataLoader):
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def __init__(self, *args, **kwargs):
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super(UnpackDataLoader, self).__init__(*args, batch_size=1, **kwargs)
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def __iter__(self):
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return ([yy[0] for yy in y] for y in super(UnpackDataLoader, self).__iter__())
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def create_if_not_exists(dir):
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try:
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dir.mkdir(parents=True)
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except:
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pass
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return dir
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def get_warmup_and_linear_decay(max_steps, warmup_steps):
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return lambda step: min(step / warmup_steps, 1.0 - (step - warmup_steps) / (max_steps - warmup_steps))
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