Garbage Collection in C++ — why?

Question

I keep hearing people complaining that C++ doesn\'t have garbage collection. I also hear that the C++ Standards Committee is looking at adding it to the language. I\'m afrai

Answer 1

Easier thread safety and scalability

There is one property of GC which may be very important in some scenarios. Assignment of pointer is naturally atomic on most platforms, while creating thread-safe reference counted ("smart") pointers is quite hard and introduces significant synchronization overhead. As a result, smart pointers are often told "not to scale well" on multi-core architecture.