Measures the execution time of various atomic instruction primitives, without contention.
To build and run:
> make run
Sample output on my Intel Core 2 Duo T6500 @ 2.10 GHz:
32-bit CAS takes 16.2929ns on average
64-bit CAS takes 16.2876ns on average
32-bit FAA takes 13.8286ns on average
64-bit FAA takes 13.8282ns on average