I'm confused: The benchmarks seem to suggest you'll get best speed in many cases by just writing JS or TS. What's the advantage of AssemblyScript? If the issue

I'm confused: The benchmarks seem to suggest you'll get best speed in many cases by just writing JS or TS. What's the advantage of AssemblyScript? If the issue is warmup time, do there not exist AOT compilers for JS (or TS) to WASM?