michaelyyq

[Ninja is required to load C++ extensions](https://stackoverflow.com/questions/51156087/ninja-is-required-to-load-c-extensions) `sudo apt-get install ninja-build` This solved my problem.

me too

I solved the error. CUDA_ARCH="-gencode arch=compute_30,code=sm_30 \ -gencode arch=compute_35,code=sm_35 \ -gencode arch=compute_50,code=sm_50 \ -gencode arch=compute_52,code=sm_52 \ -gencode arch=compute_60,code=sm_60 \ -gencode arch=compute_61,code=sm_61 \ -gencode arch=compute_70,code=sm_70 "