Function get_rng

tensorpack/utils/utils.py:128–141

Get a good RNG seeded with time, pid and the object. Args: obj: some object to use to generate random seed. Returns: np.random.RandomState: the RNG.

(obj=None)

def get_rng(obj=None):
    """
    Get a good RNG seeded with time, pid and the object.

    Args:
        obj: some object to use to generate random seed.
    Returns:
        np.random.RandomState: the RNG.
    """
    seed = (id(obj) + os.getpid() +
            int(datetime.now().strftime("%Y%m%d%H%M%S%f"))) % 4294967295
    if _RNG_SEED is not None:
        seed = _RNG_SEED
    return np.random.RandomState(seed)


_EXECUTE_HISTORY = set()