Benchmark different ruby serializing options

benchmark.rb

require 'benchmark'
require 'rubygems'
require 'json'
require 'yaml'
include Benchmark

benchmark_iterations = 1
large_single_dimension_array = [42, 123.123] * 5000
large_single_dimension_hash  = {}
10000.times do |i|
  large_single_dimension_hash["key#{i}".intern] = i
end

benchmark do |t|
  t.report("array marshal") do
    benchmark_iterations.times {
      Marshal.load(Marshal.dump(large_single_dimension_array))
    }
  end
  t.report("array json   ") do
    benchmark_iterations.times {
      JSON.load(JSON.dump(large_single_dimension_array))
    }
  end
  t.report("array yaml   ") do
    benchmark_iterations.times {
      YAML.load(YAML.dump(large_single_dimension_array))
    }
  end
  t.report("hash marshal ") do
    benchmark_iterations.times {
      Marshal.load(Marshal.dump(large_single_dimension_hash))
    }
  end
  t.report("hash json    ") do
    benchmark_iterations.times {
      JSON.load(JSON.dump(large_single_dimension_hash))
    }
  end
  t.report("hash yaml    ") do
    benchmark_iterations.times {
      YAML.load(YAML.dump(large_single_dimension_hash))
    }
  end
end