gistfile1.txt

require 'rubygems'
require 'benchmark'
require 'json'

A = (0..1_000).to_a

org_array = []
json_array = []

0.upto(20000) do |i|
  org_array << A
end

org_array.each { |array| json_array << JSON.fast_generate(array) }

Benchmark.bm("JSON parse".size) do |x|
  x.report("parse:") do
    json_array.each { |string| JSON.parse(string) }
  end
end