Ruby keeps getting faster. And people keep asking, “but how fast is it for Rails?” Rails makes a great way to measure Ruby’s speed, and how Ruby has changed version-by-version. Let’s look at six years of performance for apps big and small.

How fast is 2.6.0? With JIT or not? How do I measure? How close is Ruby 3x3? Should I upgrade?

Noah is a Ruby Fellow for AppFolio, working on the core Ruby language and related tooling. After over 30 years of communicating with computers, Noah now believes that communicating with humans may not be a passing fad, and he’s trying it out.