Ruby 2.7 introduced GC compaction, a way to reduce memory memory usage in your application. Unfortunately the compaction process is completely manual, requiring developers to determine the best time to compact their heap. This talk is about making the compaction process automatic and the challenges in doing so. We'll discuss various implementation techniques including read barriers and running the GC concurrently with the main program. This talk will have read barriers, but it won't have watch barriers, so come watch the talk!Aaron PattersonAaron is a full time Ruby developer working at Shopify, whose interests include: Keyboards, Cats, and Code. Aaron is known online as tenderlove, but he also answers by "Aaron".
