ruby/benchmark/ivar_extend.yml

prelude: |
  class Embedded
    def initialize
      @a = 1
      @b = 1
      @c = 1
    end
  end

  class Extended
    def initialize
      @a = 1
      @b = 1
      @c = 1
      @d = 1
      @e = 1
      @f = 1
    end
  end  
benchmark:
  embedded: Embedded.new
  extended: Extended.new
loop_count: 20_000_000