How do games like GTA IV not fragment the heap?

Question

I\'m interested in the type of memory management a game like GTA IV might use given that it needs to create and delete lots of objects very quickly. How do the avoid fragmenting

Answer 1

They use things like memory pooling, specialized allocators, and specialized container classes.

1. The Hoard Memory allocator for multi-threaded programs.
2. EA's version of the STL. Contains allocators, containers,