Кто-то рассказывал, что Standard ML мертв

https://github.com/IntelLabs/flrc

Примитивы и Рантайм:

https://github.com/IntelLabs/flrc/blob/master/compiler/as-to-mil/ghc-prim.sml#L2246-L2658
https://github.com/IntelLabs/flrc/tree/master/runtime

Векторизатор:

https://github.com/IntelLabs/flrc/blob/master/compiler/common/vector-instruction.sml
https://github.com/IntelLabs/flrc/blob/master/compiler/mil/optimise/vectorize.sml
https://github.com/IntelLabs/flrc/blob/master/runtime/include/hrc/plsr-prims-vector-avx.h