~/caffe$ make all -j8 Makefile:606: recipe for target '.build_release/cuda/src/caffe/solvers/adam_s
cuda9.0+cudnn7.0.5下，编译caffe
执行出错：
ubuntu@ubuntu-ST-KN:~/caffe$ make all -j8
NVCC src/caffe/solvers/adam_solver.cu
NVCC src/caffe/solvers/adagrad_solver.cu
nvcc fatal : Unsupported gpu architecture 'compute_20'
NVCC src/caffe/solvers/adadelta_solver.cu
nvcc fatal : Unsupported gpu architecture 'compute_20'
NVCC src/caffe/solvers/sgd_solver.cu
Makefile:606: recipe for target '.build_release/cuda/src/caffe/solvers/adam_solver.o' failed
make: *** [.build_release/cuda/src/caffe/solvers/adam_solver.o] Error 1
make: *** Waiting for unfinished jobs....
Makefile:606: recipe for target '.build_release/cuda/src/caffe/solvers/adagrad_solver.o' failed
make: *** [.build_release/cuda/src/caffe/solvers/adagrad_solver.o] Error 1
nvcc fatal : Unsupported gpu architecture 'compute_20'
nvcc fatal : Unsupported gpu architecture 'compute_20'
Makefile:606: recipe for target '.build_release/cuda/src/caffe/solvers/adadelta_solver.o' failed
make: *** [.build_release/cuda/src/caffe/solvers/adadelta_solver.o] Error 1
Makefile:606: recipe for target '.build_release/cuda/src/caffe/solvers/sgd_solver.o' failed
make: *** [.build_release/cuda/src/caffe/solvers/sgd_solver.o] Error 1
解决方式：
sudo gedit Makefile.config
注释掉#-gencode arch=compute_20,code=sm_20 \
#-gencode arch=compute_20,code=sm_21 \
make clean
make all -j8