def maxevals(self, dimfun):
        evals = [np.median(ds.maxevals) for (name, ds) in self.algds_dimfunc(dimfun)]
        return max(evals) / dimfun[0]
Return the maximum nominal budget across all algorithms; typically,
dataset/ETHPy150Open pasky/cocopf/pproc.py/PortfolioDataSets.maxevals