Comparing Ruby string concatenations

output.txt

t1 = 0.0185549259185791
t2 = 0.01390695571899414
t3 = 0.05935215950012207

test_string_concat.rb

require 'time'

def f1
  return 'this '\
    'is '\
    'a '\
    'test'
end

def f2
  return 'this is a test'
end

def f3
  return 'this ' + 'is ' + 'a ' + 'test'
end

def t1 n
  now = Time.now.to_f
  n.times do
    f1
  end
  endd = Time.now.to_f
  endd-now
end

def t2 n
  now = Time.now.to_f
  n.times do
    f2
  end
  endd = Time.now.to_f
  endd-now
end

def t3 n
  now = Time.now.to_f
  n.times do
    f3
  end
  endd = Time.now.to_f
  endd-now
end

puts "t1 = #{t1(100000)}"
puts "t2 = #{t2(100000)}"
puts "t3 = #{t3(100000)}"