http://www.perlmonks.org?node_id=1012585


in reply to Re^10: The Most Essential Perl Development Tools Today (imperceptible)
in thread The Most Essential Perl Development Tools Today

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