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31 lines
940 B
31 lines
940 B
# Copyright (c) 2021 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 functools import wraps
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from paddle import distributed as dist
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__all__ = ["rank_zero_only"]
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def rank_zero_only(func):
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@wraps(func)
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def wrapper(*args, **kwargs):
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rank = dist.get_rank()
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if rank != 0:
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return
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result = func(*args, **kwargs)
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return result
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return wrapper
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