diff --git a/Gemfile b/Gemfile
index 9a386356f..52c2b21b7 100644
--- a/Gemfile
+++ b/Gemfile
@@ -46,4 +46,5 @@ end
 
 group :development, :test do
   gem 'rubocop', '~> 0.34.0', require: false
+  gem 'rugged'
 end
diff --git a/Rakefile b/Rakefile
index 58a49598e..fbb4a9333 100644
--- a/Rakefile
+++ b/Rakefile
@@ -48,3 +48,38 @@ task default: [:test, :rubocop]
 
 desc 'CI test task'
 task :ci => [:default]
+
+require 'rugged'
+require 'benchmark'
+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
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