length         intrinsic(ops/ms)        no intrinsic(ops/ms)         intrinsic / no intrinsic
1              1826.141                 1589.775                     1.15
2              1814.529                 1456.701                     1.26
3              1405.847                 1027.188                     1.37
5              1078.524                 867.116                      1.24
10             898.045                  423.624                      2.12
50             86.314                   48.223                       1.79
100            23.409                   13.605                       1.72
1000           0.248                    0.148                        1.68
2000           0.062                    0.037                        1.68
5000           0.009                    0.006                        1.50