it is faster, but there is unacceptable loss when passing data to/from js, definitely an area needing improvement (or having to do it less)

https://hacks.mozilla.org/2026/02/making-webassembly-a-first...

Just allowing more than one arraybuffer could go a long way to help with performance. One array buffer for the wasm memory space, then an arraybuffer for each input or output argument.