RubyConf 2023 - Popping Into CRuby by Jemma Issroff

Ever wondered why a line of Ruby code with no side effects has no performance impact? This talk will explain the concept of "popped" instruction sequences, demystifying how CRuby works behind the scenes to avoid running unnecessary code. We'll delve into parsing, compiling, abstract syntax trees, and instruction sequence. You’ll leave this talk with a deeper understanding of Ruby's inner workings and why they matter.