def METHOD_NAME():
    """Return whether psutil exists and its associated stats.
    @returns (bool, int, int, int) whether psutil exists, the logical CPU count,
        physical CPU count, and total number of bytes of memory.
    """
    try:
        import psutil
        return (
            True,
            psutil.cpu_count(),
            psutil.cpu_count(logical=False),
            psutil.virtual_memory().total,
        )
    except ImportError:
        return False, None, None, None