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jpterry.com · Mar 20, 2025

Exploring Ruby Ractors

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Ruby Ractors Adventure “I paid for 10 cores, I’m gonna use 10 cores!” I set out today for a silly explore hoping to waste some CPU with a whole bunch of ractors doing math, but I find that YJIT is pretty amazing. Ruby 3.0.0 came out in December 2020, more than 4 years ago now, and with it came Ractors (and Fiber Scheduler but that’s another episode). Ractors promised a way…

Read on /posts/2025/03/exploring-ruby-ractors/

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