Time to make this run on iOS!
V8 v7.4 supports a JIT-less or “interpreter-only” mode, where JavaScript executes without allocating executable memory at runtime. https://v8.dev/blog/jitless pic.twitter.com/HfFaqM4DGO
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It already is :) Limited to 64-bit iOS devices at the moment.
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I see WASM is not supported yet, is it on the roadmap?
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It is (many more details at http://goo.gl/kRnhVe ), but currently unclear whether this will happen. Interpreted wasm may be too slow to be usable.
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How is this different from --no-opt?
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We put quite some work into not allocating any builtins onto the heap anymore. With that work, --jitless is not much different than --no-opt aside from no wasm and interpreted regexp.
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Can you please label the axis :)
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...it is
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Really cool. I immediately wondered whether predicting common byte-code sequences and creating a specialized hot-paths for them would be useful for JIT-less. I would guess some VM must be using that approach already.
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