[joelbluminator]

Well YJIT succeeded to improve Rails by 30% in a year , so it IS possible. https://speed.yjit.org/

[eregon]

It's the same benchmark in the blog post, `railsbench`. So TruffleRuby already speeds up some Rails apps like that one but not every Rails app/program. (TruffleRuby 3.27x, YJIT 1.33x on railsbench)