|Do you know where your variables are?|
Re^11: The Most Essential Perl Development Tools Today (imperceptible)by Anonymous Monk
|on Jan 10, 2013 at 03:37 UTC||Need Help??|
The warnings are there to tell you that Benchmark tried to "eliminate overhead" for you but doing so showed that the run times were so short as to not matter. The differences, doubly so.
-3 is not the same as 2e6
On my machine 2e6 is way too slow