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# Copyright 2024 ByteDance and/or its affiliates.
#
# 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.
import os
import random
import numpy as np
import torch
def seed_everything(seed, deterministic):
random.seed(seed)
np.random.seed(seed)
torch.random.manual_seed(seed)
torch.cuda.manual_seed_all(seed)
if deterministic:
torch.backends.cudnn.benchmark = False
# torch.backends.cudnn.deterministic=True applies to CUDA convolution operations, and nothing else.
torch.backends.cudnn.deterministic = True
# torch.use_deterministic_algorithms(True) affects all the normally-nondeterministic operations listed here https://pytorch.org/docs/stable/generated/torch.use_deterministic_algorithms.html?highlight=use_deterministic#torch.use_deterministic_algorithms
torch.use_deterministic_algorithms(True)
# https://docs.nvidia.com/cuda/cublas/index.html#cublasApi_reproducibility
os.environ["CUBLAS_WORKSPACE_CONFIG"] = ":4096:8"
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