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A comment on Why Is JRuby Slow?. Parent comment

Re:Why Is JRuby Slow? by dragonwriter on Saturday May 29, 2021 @03:47AM (#27323706)
> I remember about 10 years ago the promise was that JRuby was going to let ruby be basically as fast as Java

I’m pretty sure it was more than 10 years ago that Charles Nutter wrote a detailed description of why that wasn’t going to happen without breaking compatibility with Ruby, identifying the specific language features preventing that.

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Re:Why Is JRuby Slow? by jashmatthews on Saturday May 29, 2021 @07:35PM (#27329212)
The Truffle based implementations of dynamic languages get close depending on what you’re benchmarking.

https://stefan-marr.de/papers/dls-marr-et-al-cross-language-...

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