Maybe some terminology difference here but what I meant by 'pure JIT' was that, iiuc, Chakra waits until the function is called to even validate it, then warms up in an interpreter and only if the function is hot compiles it in a background thread. I think that's one end of the eager/lazy spectrum that may well be what a category of wasm uses will want.
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I agree.
Chakra uses a pure JIT approach? I thought they interpret both in JS and Wasm?
Maybe some terminology difference here but what I meant by 'pure JIT' was that, iiuc, Chakra waits until the function is called to even validate it, then warms up in an interpreter and only if the function is hot compiles it in a background thread. I think that's one end of the eager/lazy spectrum that may well be what a category of wasm uses will want.