Have you enabled Ruby 3.3 YJIT? You’re using a much slower Ruby if you haven’t. YJIT makes Railsbench 1.7x faster. In production, YJIT presents a 17% speedup to millions of requests per second at Shopify.

Why does YJIT make Ruby so much faster? In this talk, you’ll explore the latest YJIT optimizations that have a huge impact on your application’s performance. Once you understand what you're missing out on, you can't help but enable YJIT.