An experiment supporting the most efficient fizzbuzz solution.

benchmark.rb

require 'benchmark'

def fizzbuzz(array)
  array.map do |number| 
    divisibleBy3 = (number % 3 == 0)
    divisibleBy5 = (number % 5 == 0)

  case
    when divisibleBy3 && divisibleBy5   
      puts "FizzBuzz"
    when divisibleBy3
      puts "Fizz"
    when divisibleBy5
      puts "Buzz"
    else
      puts number
    end
  end
end

puts Benchmark.measure{fizzbuzz(Array(1..100))}
puts "fizzbuzz"
# puts RubyVM::InstructionSequence.disasm(method(:fizzbuzz))

def slower_fizzbuzz(array)
  array.map do |number|
    if(number % 3 == 0 && number % 5 == 0)
      puts "FizzBuzz" 
    elsif(number % 3 == 0)
      puts "Fizz"
    elsif (number % 5 == 0)
      puts "Buzz"
    else
      puts number
    end
  end
end

puts Benchmark.measure{slower_fizzbuzz(Array(1..100))}
puts "slower_fizzbuzz"
# puts RubyVM::InstructionSequence.disasm(method(:slower_fizzbuzz))

# Additional Documentation
  # https://en.wikipedia.org/wiki/Assembly_language
  # underTheHood => http://ruby-doc.org/core-2.0.0/RubyVM/InstructionSequence.html
  # http://ruby-doc.org/stdlib-2.0.0/libdoc/benchmark/rdoc/Benchmark.html