some time ago I read this great article about ruby start up time: How TruffleRuby's Startup Time Became Faster Than MRI's · On the Edge of Ruby
In a nutshell, I believe the article explains that if the start up time improves then the overall performance of ruby improves.
So I used rbenv to install 3 ruby versions and run the example program mentioned in the blog post against those 3 versions.
I also enabled yjit following this article: Install Ruby 3.2.0 with YJIT - DEV Community
So this what I got:
All I can say that is is good stuff.