If as the link suggests this is from 2018 a lot (!) has changed at least in the JS world and the Python world. Can't speak for the others. Would be nice to see the underlying paper to see how the author defines the measurements, ie whose time is being measured, system (speed), development?

Consider adding dandelions with your clover. They're pretty and if you harvest the leaves (similar to arugula) and flowers (tea, salad, even wine) they are quite controllable and you save money at the grocery store.