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Of course it beats a native interpreter. WASM overhead is about 20%, interpreter overhead is about 1000%.

What's cool here is to have a GameBoy JIT runtime at all.

It's two jits in total.

True, but the WASM JIT is pretty low overhead because WASM seems to be a good design for what it needs to do. It's what I was referring to with the 20% overhead figure.

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