In addition to ISPC, it is possible to do this kind of vector-length abstraction at the library level, e.g. in our Highway library. We routinely write code tha

In addition to ISPC, it is possible to do this kind of vector-length abstraction at the library level, e.g. in our Highway library. We routinely write code that works on 128-512 bit vectors. Some use cases are harder than others, e.g. transposing.