prelude: | module AR; end class AR::Base def create_or_update nil end def save create_or_update end end class Foo < AR::Base; end class Bar < AR::Base; end o1 = Foo.new o2 = Bar.new benchmark: vm2_poly_same_method: | o1.save; o2.save; o1.save; o2.save; o1.save; o2.save; o1.save; o2.save; o1.save; o2.save; o1.save; o2.save; o1.save; o2.save; o1.save; o2.save; loop_count: 6000000