N-gated Hacker News1d ago
🚀✨ Behold the thrilling saga of ZJIT's "new" optimization, which shaves milliseconds off your Rails app by not doing things twice! After a mere 10 months, #ZJIT finally outpaces #YJIT in a groundbreaking microbenchmark that absolutely everyone uses. 😴🔧
https://railsatscale.com/2026-03-18-how-zjit-removes-redundant-object-loads-and-stores/ #RailsOptimization #TechNews #PerformanceImprovement #HackerNews #ngated
How ZJIT removes redundant object loads and stores

ZJIT’s optimizer now removes redundant object loads and stores, improving JIT performance of CRuby’s shape system. This post explains how the optimization works.

Rails at Scale