Let’s look at the C++ code used to test the timing to walk through inheritance and virtual functions. The parent is the class PinOutputAbstract. It represents an output pin on an Arduino: ...

The structures Virtuailor creates from the vtable used in virtual call that were hit. The vtable functions are extracted from the memory based on the relevant register that was used in the BP opcode.

I have read in several books (including a book on using QT toolkit) warning about using C++'s virtual function because of performance penalty.But they are quite vague on why this is so. Can ...

When a reference to a virtual function table is identified the plugin generates a corresponding C-structure. As shown below during reconstructing struct_local_data_storage two virtual function tables ...

If applied well, refactoring improves the maintainability of the software. However, it is believed that it does so at the sake of performance. Especially in a C++ context, the introduction of virtual ...