> But you pay an optimization penalty, since the apps have to defer offset calculation until runtime. isn’t that penalty only one time, when the first message

> But you pay an optimization penalty, since the apps have to defer offset calculation until runtime. isn’t that penalty only one time, when the first message is sent? after that it seems pretty dang fast [1] [1] https://mikeash.com/pyblog/friday-qa-2012-11-16-lets-build-objc_msgsend.html https://mikeash.com/pyblog/friday-qa-2012-11-16-lets-build-o...