optimalK.py 文件源码

def __init__(self, n_jobs: int=-1, parallel_backend: str='joblib') -> None:
        """
        Construct OptimalK to use n_jobs (multiprocessing using joblib, multiprocessing, or single core.
        :param n_jobs - int: Number of CPU cores to use. Use all cores if n_jobs == -1
        """
        self.parallel_backend = parallel_backend if parallel_backend in ['joblib', 'multiprocessing'] else None
        self.n_jobs = n_jobs if 1 <= n_jobs <= cpu_count() else cpu_count()  # type: int
        self.n_jobs = 1 if parallel_backend is None else self.n_jobs