dominikh

class A < Struct.new(:a, :b)
end
B = Struct.new(:a, :b)

require 'benchmark'

Benchmark.bmbm 20 do |r|
  n = 10_000_000

  a = A.new(1,2)

dominikh

require "benchmark"

def f(i); i; end

array = Array.new(1_000_000) { rand.to_s }

TESTS = 5
Benchmark.bmbm do |results|
  results.report("null:") { TESTS.times { array.each { |i| f(i) } } }
  results.report("sliced each:") { TESTS.times { array[1,array.size-2].each { |i| f(i) } } }