Naive use of RC doesn't look like tracing much but as soon as you need cycle-aware RC like the CactusRef the algo looks a lot like tracing GC https://github.com

Naive use of RC doesn't look like tracing much but as soon as you need cycle-aware RC like the CactusRef the algo looks a lot like tracing GC https://github.com/artichoke/cactusref#cycle-detection https://github.com/artichoke/cactusref#cycle-detection