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Many have tried and failed. But Finally a Ruby JIT that is shipped and enabled by default. Discourse is now on YJIT as well [1], Still hoping we could get much larger performance improvement down the road.

[1] https://blog.discourse.org/2023/05/running-ruby-3-2s-yjit-in...

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Ruby 3.3 (coming this Christmas) will have a much faster and more memory efficient YJIT than 3.2. We've made major improvements this year.

Yeah, that leaves Python as the one still not shipping a JIT on the reference implementation.

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