Rate     m_klein split_klein   mit_index
m_klein      302083/s          --        -12%        -82%
split_klein  344837/s         14%          --        -79%
mit_index   1653727/s        447%        380%          --
                 Rate split_gross     m_gross   mit_index
split_gross   41553/s          --        -18%        -98%
m_gross       50924/s         23%          --        -97%
mit_index   1764431/s       4146%       3365%          --