With Cython you can get C level performance. The cost is that your Python code has to be written just as you would write C. See e.g. https://github.com/thomasa

With Cython you can get C level performance. The cost is that your Python code has to be written just as you would write C. See e.g. https://github.com/thomasahle/fast_pq/blob/main/_fast_pq.pyx#L169 https://github.com/thomasahle/fast_pq/blob/main/_fast_pq.pyx... for how much fast Cython code can look like C.