Memory Allocation Strategies (gingerbill)
Introduction to various memory allocation strategies by the creator of Odin, a Handmade Network project.
Memory Allocator Designs
Explains various strategies for memory allocation and shows how to implement these as allocators.
Computer Systems: A Programmer's Perspective
A good textbook convering assembly, memory, caching, processor architecture, and more. Better known as CS:APP. Get the third edition; avoid the international edition.