nvcc fatal : Unsupported gpu architecture 'compute_20' while cuda 9.1+caffe+openCV 3.4.0 is installed

Question

I have installed CUDA 9.1+cudnn-9.1+opencv 3.4.0+caffe.

When I tried to run make all -j8 in caffe directory, this error occurred:

Answer 1

You can use cmake like following:

cmake [other_params] -D CUDA_ARCH_NAME="Pascal" ..