Very interesting blog post! My best guess as to how shopify is able to achieve such large increases in speed is they have a lot more actual ruby code than most

Very interesting blog post! My best guess as to how shopify is able to achieve such large increases in speed is they have a lot more actual ruby code than most codebases (https://shopify.engineering/ruby-yjit-is-production-ready https://shopify.engineering/ruby-yjit-is-production-ready).