Caveat: if you see numbers in the range of 1,500,000,000 that means your code was thrown away by the optimizing compiler.

Microbenchmarks like that require a lot of care to measure something correctly. Check out my talk from LXJS2013 for more details: slides http://mrale.ph/talks/lxjs2013/ and video https://www.youtube.com/watch?v=65-RbBwZQdU