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파이썬 시드 고정 본문

EDA Study/코드

파이썬 시드 고정

김현우 2020. 12. 25. 00:24

파이썬 및 파이토치의 시드를 고정해주는 명령어

# Update 코드 
# 링크 : https://www.kaggle.com/reighns/complete-and-reusable-pytorch-pipeline
def seed_all(seed: int = 1930):

    print("Using Seed Number {}".format(seed))

    os.environ["PYTHONHASHSEED"] = str(
        seed)  # set PYTHONHASHSEED env var at fixed value
    torch.manual_seed(seed)
    torch.cuda.manual_seed_all(seed)
    torch.cuda.manual_seed(seed)  # pytorch (both CPU and CUDA)
    np.random.seed(seed)  # for numpy pseudo-random generator
    random.seed(
        seed)  # set fixed value for python built-in pseudo-random generator
    torch.backends.cudnn.deterministic = True
    torch.backends.cudnn.benchmark = False
    torch.backends.cudnn.enabled = False


def seed_worker(_worker_id):
    worker_seed = torch.initial_seed() % 2**32
    np.random.seed(worker_seed)
    random.seed(worker_seed)
    
seed_all(seed=1994)