For your upper right quadrant, I think that's where the biggest problem is today. PyParallel is a (long-term) attempt at solving it. Reading through the presen

For your upper right quadrant, I think that's where the biggest problem is today. PyParallel is a (long-term) attempt at solving it. Reading through the presentations, it appears having proper OS support is also necessary, so it's not just a Python GIL problem. [1] http://pyparallel.org/ http://pyparallel.org/