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WATaBoy: JIT-Ing Game Boy Instructions to WASM Beats a Native Interpreter (humphri.es)
98 points by energeticbark 3 hours ago | 8 comments

• ahartmetz an hour ago

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.

• grashalm 23 minutes ago

It's two jits in total.

• dag100 2 hours ago

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

• jonny_eh 16 minutes ago

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

• milch 2 hours ago

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

• iberator 2 hours ago

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

• qweqwe14 9 minutes ago

Here's a nickel kid. Go buy yourself a real computer.

• switchbak an hour ago

Good thing I'm not running games on my 4gb Pentium 4 then.