RubyConf 2021: The Talks You Might Have Missed - Shopify

This post details the development and enhancement of YJIT, a new just-in-time compiler for CRuby, led by a team at Shopify. It discusses the approach to implementing YJIT, its key advantages (high compatibility with existing Ruby code and support for latest Ruby features), and early performance results. It also mentions the porting of YJIT from C to Rust, highlighting Rust's benefits and challenges.