Right now Numba is still pre 1.0 and so there will be issues for specific cases. The best way to get them solved is to provide your test-case so that we can g

Right now Numba is still pre 1.0 and so there will be issues for specific cases. The best way to get them solved is to provide your test-case so that we can grow the test suite. Right now, I agree that Cython and pure C++ is still the best approach if you have a case which Numba does not yet quite solve. However, I expect this to change over the next 6-12 months as Numba is getting a lot of attention both inside of Continuum and externally at several industrial-strength locations. Our goal is that Numba can replace (almost all) Cython and raw C-extensions or even Go-extensions faster than other language approach will be able to build a run-time and ecosystem the equivalent of what is available with Python. The roadmap (which includes Go-like channels and go-routines) as well as compiled class-support is here: http://numba.pydata.org/numba-doc/dev/roadmap.html http://numba.pydata.org/numba-doc/dev/roadmap.html The project is open-source and contributions and contributors are welcome to join.