def buff_eval(params):
    """Builds and evaluates BUFF energy of model in parallelization

    Parameters
    ----------
    params: list
        Tuple containing the specification to be built, the sequence,
        and the parameters for model building.

    Returns
    -------
    model.bude_score: float
        BUFF score for model to be assigned to particle fitness value.
    """
    specification, sequence, parsed_ind = params
    model = specification(*parsed_ind)
    model.build()
    model.pack_new_sequences(sequence)
    return model.buff_interaction_energy.total_energy