Naive performance testing for my Queue

2000000	 => 1540.6 ms	=7.702999999999999E-4/item
3000000	 => 2257.0 ms	=7.523333333333334E-4/item
4000000	 => 3231.2 ms	=8.077999999999999E-4/item
5000000	 => 4415.4 ms	=8.8308E-4/item
6000000	 => 4895.6 ms	=8.159333333333334E-4/item
7000000	 => 5878.6 ms	=8.398E-4/item
8000000	 => 7017.6 ms	=8.772000000000001E-4/item
9000000	 => 7778.2 ms	=8.642444444444445E-4/item
10000000	 => 9123.6 ms	=9.123600000000001E-4/item
11000000	 => 9726.4 ms	=8.842181818181818E-4/item