hparams_search.py 文件源码

def sample_hparams():
    hparams = {}
    for k, sample_range in ranges.items():
        if isinstance(sample_range, (LogRange, LinearRange)):
            if isinstance(sample_range[0], int):
                # LogRange not valid for ints
                hparams[k] = random.randint(sample_range[0], sample_range[1])
            elif isinstance(sample_range[0], float):
                start, end = sample_range
                if isinstance(sample_range, LogRange):
                    start, end = np.log10(start), np.log10(end)

                choice = np.random.uniform(start, end)
                if isinstance(sample_range, LogRange):
                    choice = np.exp(choice)
                hparams[k] = choice
    return hparams