The benchmark result is below:

|                |compare-ruby|built-ruby|
|:---------------|-----------:|---------:|
|ary2.max        |     38.837M|   40.830M|
|                |           -|     1.05x|
|ary10.max       |     23.035M|   32.626M|
|                |           -|     1.42x|
|ary100.max      |      5.490M|   11.020M|
|                |           -|     2.01x|
|ary500.max      |      1.324M|    2.679M|
|                |           -|     2.02x|
|ary1000.max     |    699.167k|    1.403M|
|                |           -|     2.01x|
|ary2000.max     |    284.321k|  570.446k|
|                |           -|     2.01x|
|ary3000.max     |    282.613k|  571.683k|
|                |           -|     2.02x|
|ary5000.max     |    145.120k|  285.546k|
|                |           -|     1.97x|
|ary10000.max    |     72.102k|  142.831k|
|                |           -|     1.98x|
|ary20000.max    |     36.065k|   72.077k|
|                |           -|     2.00x|
|ary50000.max    |     14.343k|   29.139k|
|                |           -|     2.03x|
|ary100000.max   |      7.586k|   14.472k|
|                |           -|     1.91x|
|ary1000000.max  |     726.915|    1.495k|
|                |           -|     2.06x|