C++. Why is an array of pointers to objects faster than an array of these objects?

Question

Arrays

I have vector.
By changing vector to vector<*obj> in the entire code (and calling methods dot to -> ) and nothing else, the performance increased one and a half times. What might it depend on?

Answer 1

A pointer is 8 bytes (64 bit systems), an object is usually larger. Accordingly, all operations with objects take more time than with pointers.