if (IMEMEstimation.TESTING_IMEM || RawWorkEstimator.SIMULATING_WORK) return false;
    private boolean noBuffer(SIRFilter filter) {        // always need a buffer for rate matching.        // if (KjcOptions.ratematch)        // return false;        if (filter.getPeekInt() == 0            && (!(filter instanceof SIRTwoStageFilter) || (((SIRTwoStageFilter) filter)                                                           .getInitPeekInt() == 0)))            return true;        return false;    }