FlexiS looks promising. [paper](https://lore.kernel.org/all/CAA93jw6mA0WBYGuKch_jbfwCuXvJ++nqYjsLzGAE6-iTo0FPeg@mail.gmail.com/2-flexis_final.pdf) [implementation](https://github.com/tinalee77/FlexiS)
