import os
import torch
import random
import numpy as np

def seed_everything(seed=42):
    random.seed(seed)
    np.random.seed(seed)
    torch.manual_seed(seed)
    torch.cuda.manual_seed_all(seed)

    # Ensure deterministic behavior where possible
    torch.backends.cudnn.deterministic = False
    torch.backends.cudnn.benchmark = True

    # Fast + safe on Ampere+
    torch.backends.cuda.matmul.allow_tf32 = True
    torch.backends.cudnn.allow_tf32 = True

seed_everything()