JD Retail Technology

Nov 27, 2019 · Fundamentals

Inside iOS Memory Management: Stack, Heap, Tagged Pointers, and SideTables Explained

This article breaks down iOS's memory layout—including stack, heap, static, data, and text sections—and examines three key management techniques: Tagged Pointers, non‑pointer isa, and SideTables, detailing their implementation, benefits, and underlying data structures.