According to a benchmark from 2018 it might not be expensive to go between js and wasm https://hacks.mozilla.org/2018/10/calls-between-javascript-and-webassembl

According to a benchmark from 2018 it might not be expensive to go between js and wasm https://hacks.mozilla.org/2018/10/calls-between-javascript-and-webassembly-are-finally-fast-%f0%9f%8e%89/ https://hacks.mozilla.org/2018/10/calls-between-javascript-a... It is still the same jit calling itself, there is no reason it should be far slower than js-to-js