gistfile1.rb

## Note to self...

include Benchmark

number = 2
year = 2008

bmbm(6) do |x|
  x.report 'joining' do
    10_000.times do
      ['Q', number, ' ', year].join
    end
  end
  x.report 'interpolation' do
    10_000.times do
      "Q#{number} #{year}"
    end
  end
end

# Rehearsal -------------------------------------------------
# joining         0.251000   0.000000   0.251000 (  0.280000)
# interpolation   0.200000   0.000000   0.200000 (  0.271000)
# ---------------------------------------- total: 0.451000sec
#                     user     system      total        real
# joining         0.090000   0.000000   0.090000 (  0.090000)
# interpolation   0.040000   0.000000   0.040000 (  0.040000)