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.

This is an incredible project for an undergraduate. Very impressive. Interesting to note that Firefox is 25% slower than Chrome/Safari, I wonder why.

So it's a JIT-in-JIT? JiJIT?

Very interesting article. Would've been fun to see the comparison between native interpreter & JIT-on-WASM on iOS as well

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yet on real old hardware it would be 20x slower in real life. same as all native javascript junk - its fast, but non usuable on older hardware