compile_op.sh have been successfully compiled ，this problem appear when run train.py
`InvalidArgumentError (see above for traceback): No OpKernel was registered to support Op 'FarthestPointSample' used by node layer1/FarthestPointSample (defined at :148) with these attrs: [npoint=512]
Registered devices: [CPU, XLA_CPU]
Registered kernels:
device='GPU'

 [[node layer1/FarthestPointSample (defined at <string>:148) ]]`