Unity Game Optimization - Third Edition

The stack

The stack is a special reserved space in memory, dedicated to small, short-lived data values, which are automatically deallocated the moment they go out of scope, hence why it is called the stack. It literally operates as a stack data structure, pushing and popping data from the top. Allocation to the stack complies with the following properties:

• The stack contains any local variables we declare and handles the loading and unloading of functions as they're called. These function calls to expand and contract through what is known as the call stack. When the call stack is done with the current function, it jumps back to the previous point on the call stack and continues from where it left off.
• The start of the previous memory allocation ...