gistfile1.rb

require 'benchmark'
cm = def blah
  i = 0
  while i < 10
    j = 0
    while j < 20000000
      j += 1
    end
    i += 1
  end
end
=begin
cm = def fib n
  if n < 3
    1
  else
    fib(n-1) + fib(n-2)
  end
end
=end

p cm
puts Benchmark.measure {
  blah()
}

if ARGV.shift == "rbx"
  mm = cm.make_machine_method
  p mm
  mm.disassemble
  mm.activate
end

puts Benchmark.measure {
  p blah()
}