ruby--ruby/benchmark/vm_ivar_generic_set.yml

prelude: |
  class C < Array
    def set_ivars
      @a = nil
      @b = nil
      @c = nil
    end
  end

  c = C.new  
benchmark:
  vm_ivar_generic_set: |
    c.set_ivars    
loop_count: 30000000