diff --git a/.travis.yml b/.travis.yml
index 6ce693ad6..4f3c3ee45 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -21,6 +21,8 @@ env:
   - "RAILS_VERSION=master"
 
 matrix:
+  include:
+      env: JRUBY_OPTS=-Xcext.enabled=true"
   allow_failures:
     - rvm: ruby-head
     - env: "RAILS_VERSION=master"
diff --git a/Gemfile b/Gemfile
index 25b466ebf..e1bc0d650 100644
--- a/Gemfile
+++ b/Gemfile
@@ -3,7 +3,8 @@ source 'https://rubygems.org'
 # Specify your gem's dependencies in active_model_serializers.gemspec
 gemspec
 
-gem "minitest"
+gem 'minitest'
+gem 'rugged'
 
 version = ENV["RAILS_VERSION"] || "4.1"
 
diff --git a/Rakefile b/Rakefile
index 8a1f1e9e8..87560f2e2 100644
--- a/Rakefile
+++ b/Rakefile
@@ -1,7 +1,10 @@
-require "bundler/gem_tasks"
-
+require 'bundler/gem_tasks'
+require 'rugged'
+require 'benchmark'
 require 'rake/testtask'
 
+task :default => :test
+
 Rake::TestTask.new do |t|
   t.libs << "test"
   t.test_files = FileList['test/**/*_test.rb']
@@ -9,4 +12,35 @@ Rake::TestTask.new do |t|
   t.verbose = true
 end
 
-task :default => :test
+Rake::TestTask.new :benchmark_tests do |t|
+  t.libs << "test"
+  t.test_files = FileList['test/**/*_benchmark.rb']
+  t.ruby_opts = ['-r./test/test_helper.rb']
+  t.verbose = true
+end
+
+task :benchmark do
+  @repo = Rugged::Repository.new('.')
+  ref   = @repo.head
+
+  actual_branch = ref.name
+
+  set_commit('master')
+  old_bench = Benchmark.realtime { Rake::Task['benchmark_tests'].execute }
+
+  set_commit(actual_branch)
+  new_bench = Benchmark.realtime { Rake::Task['benchmark_tests'].execute }
+
+  puts 'Results ============================'
+  puts "------------------------------------~> (Branch) MASTER"
+  puts old_bench
+  puts "------------------------------------"
+
+  puts "------------------------------------~> (Actual Branch) #{actual_branch}"
+  puts new_bench
+  puts "------------------------------------"
+end
+
+def set_commit(ref)
+  @repo.checkout ref
+end
\ No newline at end of file
diff --git a/test/benchmark/serialization_benchmark.rb b/test/benchmark/serialization_benchmark.rb
new file mode 100644
index 000000000..8fccc44e8
--- /dev/null
+++ b/test/benchmark/serialization_benchmark.rb
@@ -0,0 +1,50 @@
+require 'test_helper'
+
+module ActionController
+  module Serialization
+    class SerializerTest < ActionController::TestCase
+      class PostController < ActionController::Base
+
+        def render_with_cache_enable
+          comment = Comment.new({ id: 1, body: 'ZOMG A COMMENT' })
+          author  = Author.new(id: 1, name: 'Joao Moura.')
+          post    = Post.new({ id: 1, title: 'New Post', blog:nil, body: 'Body', comments: [comment], author: author })
+
+          render json: post
+        end
+      end
+
+      tests PostController
+
+      def test_render_with_cache_enable
+        ActionController::Base.cache_store.clear
+        get :render_with_cache_enable
+
+        expected = {
+          id: 1,
+          title: 'New Post',
+          body: 'Body',
+          comments: [
+            {
+              id: 1,
+              body: 'ZOMG A COMMENT' }
+          ],
+          blog: {
+            id: 999,
+            name: 'Custom blog'
+          },
+          author: {
+            id: 1,
+            name: 'Joao Moura.'
+          }
+        }
+
+        assert_equal 'application/json', @response.content_type
+        assert_equal expected.to_json, @response.body
+
+        get :render_with_cache_enable
+        assert_equal expected.to_json, @response.body
+      end
+    end
+  end
+end
diff --git a/test/serializers/generators_test.rb b/test/serializers/generators_test.rb
index c40d353e1..b6bdb175b 100644
--- a/test/serializers/generators_test.rb
+++ b/test/serializers/generators_test.rb
@@ -1,10 +1,3 @@
-class Foo < Rails::Application
-  if Rails.version.to_s.start_with? '4'
-    config.eager_load = false
-    config.secret_key_base = 'abc123'
-  end
-end
-
 Rails.application.load_generators
 
 require 'generators/serializer/serializer_generator'
diff --git a/test/test_helper.rb b/test/test_helper.rb
index f3977b610..6ecb6200b 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -13,6 +13,8 @@ class Foo < Rails::Application
   if Rails.version.to_s.start_with? '4'
     config.action_controller.perform_caching = true
     ActionController::Base.cache_store = :memory_store
+    config.eager_load = false
+    config.secret_key_base = 'abc123'
   end
 end