Actually, come to think of it, Matlab is now fully jit-compiled. As long as you stick with double precision floats, there is already a "Matlab with fast loops":

Actually, come to think of it, Matlab is now fully jit-compiled. As long as you stick with double precision floats, there is already a "Matlab with fast loops": it's called Matlab! Just stay away from classes and other complex data structures, which you don't like anyway, and performance is very good indeed.