each_benchmark.rb

each_benchmark.rb

#!/usr/bin/env ruby -w
require "benchmark"

TIMES = 100_000
ARRAY = (1..1_000).to_a

Benchmark.bm(30) do |b|
  b.report "each" do
    TIMES.times do |i|
      ARRAY.each do |element|
      end
    end
  end

  b.report "for ... in" do
    TIMES.times do |i|
      for x in ARRAY
      end
    end
  end
end

__END__
                                    user     system      total        real
each                            9.710000   0.010000   9.720000 (  9.740620)
for ... in                      7.460000   0.000000   7.460000 (  7.475158)