31 lines
1.1 KiB
Python
31 lines
1.1 KiB
Python
# // Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
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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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import random
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from typing import Optional
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import numpy as np
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import torch
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from .distributed import get_global_rank
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def set_seed(seed: Optional[int], same_across_ranks: bool = False):
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"""Function that sets the seed for pseudo-random number generators."""
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if seed is not None:
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seed += get_global_rank() if not same_across_ranks else 0
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random.seed(seed)
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np.random.seed(seed)
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torch.manual_seed(seed)
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