require 'bench_press' extend BenchPress name 'n&1==1 vs n%2==1 to detect odd numbers' author 'Claudio Bustos' date '2011-01-28' summary " Which is faster, n%1==1 or n%2==1 " reps 10_000 #number of repetitions n=100000 measure "Using &" do n%1==1 end measure "Using %" do n%2==1 end