Compared to static_cast, that is. So, if we have these two casts
Base* b(new Derived());
Derived* d = static_cast<Derived*>(b); // (1)
shared_ptr<Base> b(new Derived());
shared_ptr<Derived> d = static_pointer_cast<Derived>(b); // (2)
will line (2) be slower than line (1)?