Thanks! Good points, I think in general the fixed-width "packed" SIMD ISAs have the downsides that you mentioned. But it seems that WebAssembly doesn't have le

Thanks! Good points, I think in general the fixed-width "packed" SIMD ISAs have the downsides that you mentioned. But it seems that WebAssembly doesn't have length-agnostic SIMD instructions yet. There is an open proposal to add this though: https://github.com/WebAssembly/flexible-vectors https://github.com/WebAssembly/flexible-vectors