rails new benchmark.sh

gem install rails
rails new foo
cd foo
rails generate controller welcome

cat <<EOT >> app/views/welcome/index.html.erb
<h2>Hello World</h2>
<p>
  The time is now: <%= Time.now %>
</p>
EOT

cat <<EOT >> config/routes.rb
Rails.application.routes.draw do
  root 'welcome#index'
end
EOT

echo "gem 'derailed_benchmarks'" >> Gemfile
bundle install

bundle exec rake assets:precompile

RAILS_ENV=production RAILS_SERVE_STATIC_FILES=1 RAILS_LOG_TO_STDOUT=1 bundle exec derailed exec perf:test
#  1.571514   0.076660   1.648174 (  1.957860)


RUBYOPT='--jit' RAILS_ENV=production RAILS_SERVE_STATIC_FILES=1 RAILS_LOG_TO_STDOUT=1 bundle exec derailed exec perf:test
#   1.902912   0.257943   4.568031 (  2.542607)