ruby--ruby/benchmark/vm_ivar_generic_get.yml

prelude: |
  class C < Array
    attr_reader :a, :b, :c
    def initialize
      @a = nil
      @b = nil
      @c = nil
    end
  end

  c = C.new
benchmark:
  vm_ivar_generic_get: |
    c.a
    c.b
    c.c
loop_count: 30000000