Allocators for Compressed Pages - In-depth Comparison with z3fold

Allocators for Compressed Pages - In-depth Comparison with z3fold

Explore an in-depth comparison of allocators for compressed pages, with a focus on z3fold, in this 42-minute conference talk by Vitaly Wool, a consultant for the Linux Foundation. Dive into the intricacies of three allocators (zbud, zsmalloc, z3fold) and their two main users (zswap, zram), examining performance metrics, compression ratios, and implementation restrictions. Learn about ongoing z3fold streamlining efforts, including the evaluation of lock-less lists, expanded use of atomic operations, bit read-write locks, and support for movable z3fold pages. Gain insights from Vitaly Wool's extensive experience in embedded Linux projects and power consumption optimization across various platforms and architectures.