def ensure_parallel_support():
    """Check if the platform supports parallel=True and raise if it does not.
    """
    if config.IS_32BITS:
        msg = ("The 'parallel' target is not currently supported on 32 bit "
               "hardware.")
        raise errors.UnsupportedParforsError(msg)
Check if the platform supports parallel=True and raise if it does not.
    
numba/parfors/parfor.py