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by simonmar
5774 days ago
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Oh yes, immutability is crucial. Generational GC already makes you pay for mutation with a write barrier, and in our parallel GC we omit the locking when copying immutable objects, accepting that a few might get copied twice. In the new GC mutable objects become even more expensive. I don't think local GC is viable at all in a language with ubiquitous mutation. |
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