ruby serialization speed test

ruby_serialization_speed_test.rb

require 'ruby-prof'
require 'factory_girl'
require 'date'
include FactoryGirl

class User
  def initialize
    @name= "jkjkj"+Random.rand(200).to_s
    @birth = Date.today - Random.rand(3)
    @num = Random.rand(600)
  end
  def to_s
    "<"+@name+ " " + @birth.to_s+ " " + @num.to_s+ ">"
  end
end

list = []
1_000_000.times do 
  list.append(User.new)
end
#p list

RubyProf.start

f = File.open( 'peoples.sav', 'w' ) 
Marshal.dump(list, f ) 
f.close 

myfriends = Marshal.load(File.open('peoples.sav' )) 

result = RubyProf.stop

# Print a flat profile to text
printer = RubyProf::FlatPrinter.new(result)
printer.print(STDOUT)