Ticket #1423: compare-benchmark.rb

require 'md5'
require 'benchmark'

Benchmark.bm do |b|
  n = 10000
  objects = [{:a => 20, :b => 30}, ["Hello, Sexy", "How are you?"] * 100, "THis is a bunch of text\n" * 100]
  dumps = objects.collect {|o| Marshal.dump o}

  md5s = dumps.collect {|d| MD5.digest d}
  b.report("MD5") do
    n.times { dumps.each_with_index {|d, i| MD5.digest(d) == md5s[i] } }
  end

  hashes = dumps.collect {|d| d.hash}
  b.report("String#hash") do
    n.times { dumps.each_with_index {|d, i| d.hash == hashes[i] && d == dumps[i]} }
  end

  b.report("String#==") do
    n.times { dumps.each_with_index {|d, i| d == dumps[i]} }
  end

  
  
end