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Takashi Kokubun
Takashi Kokubun
  • @k0kubun

Takashi Kokubun is a Staff Developer at Shopify, based in the San Francisco Bay Area. As a Ruby committer, he has worked on JIT compilers for Ruby for 5 years. He optimizes YJIT at work and MJIT in his spare time.

Towards Ruby 4 JIT

From Ruby 3.1, we started to see CRuby's JIT compilers optimize real-world applications like Rails. However, you might be still wondering whether you should run it on production or not, given the fact that we're only seeing the beginning of the improvement. How far can we go in the foreseeable future? What would the impact on your production application look like? Let's talk about that together.