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amelius
on Nov 26, 2017
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Rust: Enable WebAssembly backend by default
This makes me wonder: does WASM allow a JIT (specializer)? I.e., does WASM allow self-modifying code or code to write code?
If not, then JIT'ed JS could still be faster than WASM.
steveklabnik
on Nov 26, 2017
[–]
Wasm code is normally JIT-ed by the JS VM. That is, browser implementations don’t have an entire separate VM for wasm.
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If not, then JIT'ed JS could still be faster than WASM.