erb.erb

Username = <%= @var %>

erb.erubis

Username = <%= @var %>

eval.rb

"#{@var}"

haml.haml

= @var

sinatra_template_speed_test.rb

require 'rubygems'
require 'sinatra'
require 'erubis'
require 'haml'
require 'slim'

# first ab line development mode
# second ab line production mode

# ab -c 10 -n 1000 127.0.0.1:4567/slim/niko
# Requests per second:    326.96 [#/sec] (mean)
# Requests per second:    854.07 [#/sec] (mean)
get '/slim/:username' do
  @var = "Hello #{params[:username]}"
  slim :slim
end

# ab -c 10 -n 1000 127.0.0.1:4567/haml/niko
# Requests per second:    374.49 [#/sec] (mean)
# Requests per second:    630.50 [#/sec] (mean)
get '/haml/:username' do
  @var = "Hello #{params[:username]}"
  haml :haml
end

# ab -c 10 -n 1000 127.0.0.1:4567/erb_template/niko
# Requests per second:    521.16 [#/sec] (mean)
# Requests per second:    644.85 [#/sec] (mean)
get '/erb_template/:username' do
  @var = "Hello #{params[:username]}"
  erb :erb
end

# ab -c 10 -n 1000 127.0.0.1:4567/erubis_template/niko
# Requests per second:    529.40 [#/sec] (mean)
# Requests per second:    673.64 [#/sec] (mean)
get '/erubis_template/:username' do
  @var = "Hello #{params[:username]}"
  erubis :erb
end

# ab -c 10 -n 1000 127.0.0.1:4567/erb_inline_template/niko
# Requests per second:    544.89 [#/sec] (mean)
# Requests per second:    707.02 [#/sec] (mean)
get '/erb_inline_template/:username' do
  @var = "Hello #{params[:username]}"
  erb :inline_template
end

# ab -c 10 -n 1000 127.0.0.1:4567/subst/niko
# Requests per second:    825.33 [#/sec] (mean)
# Requests per second:    829.96 [#/sec] (mean)
get '/subst/:username' do
  f = File.open("template.tpl")
  t = f.read
  res = t.sub("%content%","Hello #{params[:username]}");
  f.close
  return res
end

# ab -c 10 -n 1000 127.0.0.1:4567/string/niko
# Requests per second:    913.88 [#/sec] (mean)
# Requests per second:    951.90 [#/sec] (mean)
get '/string/:username' do
  "Hello #{params[:username]}"
end

# ab -c 10 -n 1000 127.0.0.1:4567/eval/niko
get '/eval/:username' do
  @var = "Hello #{params[:username]}"
  eval File.read("eval.rb")
end

__END__

@@ inline_template
Username = <%= @var %>

slim.slim

== @var

template.tpl

%content%