Which is why high-end games do not use generic system malloc; in general we link custom allocators whose source code we control and that are going to behave sim

Which is why high-end games do not use generic system malloc; in general we link custom allocators whose source code we control and that are going to behave similarly on all target platforms. (In fact we go out of our way to not do malloc-like things in quantity unless we really have to, because the general idea of heap allocation is slow to begin with.)