class_eval vs define_method memory usage

omg.markdown

N = ARGV[0].to_i
T = ARGV[1] || 'eval'

class Foo
  if T == 'eval'
    N.times do |i|
      class_eval "def hello_#{i}; end"
    end
  else
    N.times do |i|
      define_method("hello_#{i}") { }
    end
  end
end

GC.start

sleep