Make sure you run outside of the IDE. That is key.
-edit- I LOVE SLaks comment. \"The amount of misinformation in these answers is staggering.\" :D
It could be that the methods are pre-jitted at runtime prior to running the test...or that the Console is a wrapper around the API for outputting to console, when the C++'s code for cout is buffered..I guess..
cout
Hope this helps, Best regards, Tom.