length         intrinsic(ops/ms)        no intrinsic(ops/ms)         intrinsic / no intrinsic
1              1789.763                 1532.102                     1.17
2              1646.472                 1294.173                     1.27
3              1296.738                 1081.682                     1.20
5              908.809                  801.468                      1.13
10             529.963                  287.456                      1.84
50             42.151                   32.966                       1.28
100            11.220                   8.999                        1.25
1000           0.114                    0.098                        1.16
2000           0.029                    0.024                        1.21
5000           0.004                    0.003                        1.33