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by naasking
3482 days ago
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> TL;DR - a stack machine is conceptually simpler than a register machine, and it doesn't matter if it's slower since you are JIT'ing it anyway It totally matters. See [1] for previous work on this topic. You need to perform expensive data flow optimisations to generate information the stack format doesn't need to encode, but that a register format does need. Better to do this analysis ahead of time in the compiler than at runtime. [1] https://www.usenix.org/events/vee05/full_papers/p153-yunhe.p... |
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