![[EN] Deoptimization: How YJIT Speeds Up Ruby by Slowing Down / Takashi Kokubun @k0kubun](https://i.ytimg.com/vi/bvK86pmU-Oc/mqdefault.jpg)
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Last Updated: September 27, 2026
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When do I use a Process, or a Thread, or a Fiber? And Why? Can I use Ractors yet? What is the FiberScheduler? The M:N Thread ... This is a very simple demonstration of learning Hi everyone Um today I'm going to talk about the optimization How W speeds up
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