String Benchmarks

gistfile1.rb

require "rubygems"
require "rbench"
 
def single_quoted_string
  'aaa' + 'bbb'
end

def double_quoted_string
  "aaa" + "bbb"
end

def percent_string
  %(aaa) + %(bbb)
end

def percent_q_string
  %q(aaa) + %q(bbb)
end

RBench.run(1_000_000) do
  column :one, :title => "Single-Quoted String"
  column :two, :title => "Double-Quoted String"
  column :three, :title => "Percent String"
  column :four, :title => "Percent-Q String"
  
  report "String Speed" do
    one { single_quoted_string }
    two { double_quoted_string }
    three { percent_string }
    four { percent_q_string }
  end
end

__END__

                     Single-Quoted String | Double-Quoted String | Percent String | Percent-Q String |
------------------------------------------------------------------------------------------------------
String Speed                        0.558 |                0.587 |          0.576 |            0.543 |