Jbuilder benchmark

gistfile1.rb

require "active_support/core_ext"

def build_json(n)
  struct = Struct.new(:name, :birthyear, :bio, :url)
  author = struct.new("Rolf", 1920, "Software developer", "http://example.com/")
  author.instance_eval { undef each } # Jbuilder doesn't like #each on non-arrays.
  now = Time.now
  arr = 100.times.to_a
  n.times do
    json = Jbuilder.encode do |json|
      json.article do |json|
        json.author(author, :name, :birthyear, :bio)
        json.title "Profiling Jbuilder"
        json.body "How to profile Jbuilder"
        json.date now
        json.references arr do |json, ref|
          json.name "Introduction to profiling"
          json.url "http://example.com/"
        end
        json.comments arr do |json, comment|
          json.author(author, :name, :birthyear, :bio)
          json.email "rolf@example.com"
          json.body "Great article"
          json.date now
        end
      end
    end
  end
end