Code optimization

[TsenVonWrong]

Could the author optimize the running efficiency of the code？

[YunxiaoGuo]

We have already rewritten the flocking environment with Cython, and our code now supports multi-process. In the future, we would like to make more efforts to improve running efficiency.

[TsenVonWrong]

Uh, maybe you can try CUDA+Pybind to construct a flocking environment without needing to move data from CPU to GPU.