Untitled

## quotes_test.rb

require 'benchmark'

Benchmark.bm do |x|
  x.report ("single quotes") do
    for i in 1..10000000
      s = '1234567890qwertyuiopasdfghjklzxcvbnm'
    end
  end

  x.report ("double quotes") do
    for i in 1..10000000
      s = "1234567890qwertyuiopasdfghjklzxcvbnm"
    end
  end

  x.report ("single quotes with concatenation") do
    for i in 1..10000000
      s = '1234567890qwertyuiopasdfghjklzxcvbnm' + i.to_s
    end
  end

  x.report ("double quotes with concatenation") do
    for i in 1..10000000
      s = "1234567890qwertyuiopasdfghjklzxcvbnm" + i.to_s
    end
  end

  x.report ("double quotes with embedding") do
    for i in 1..10000000
      s = "1234567890qwertyuiopasdfghjklzxcvbnm#{i}"
    end
  end
end

# ruby 1.9.2p0 (2010-08-18 revision 29036) [x86_64-darwin10.5.0]
#       user     system      total        real
# single quotes  2.740000   0.010000   2.750000 (  2.745104)
# double quotes  2.740000   0.000000   2.740000 (  2.748085)
# single quotes with concatenation 11.420000   0.020000  11.440000 ( 11.428245)
# double quotes with concatenation 11.400000   0.010000  11.410000 ( 11.403773)
# double quotes with embedding 11.210000   0.030000  11.240000 ( 11.223446)