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Unsupported gpu architecture 'compute_20'

# CUDA architecture setting: going with all of them.  
# For CUDA < 6.0, comment the *_50 through *_61 lines for compatibility.  
# For CUDA < 8.0, comment the *_60 and *_61 lines for compatibility.  
# For CUDA >= 9.0, comment the *_20 and *_21 lines for compatibility.  
CUDA_ARCH := -gencode arch=compute_20,code=sm_20 \  
                -gencode arch=compute_20,code=sm_21 \  
                -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_61,code=compute_61  

装的cuda9所以把前面那两行去掉

fatal error: hdf5.h: No such file or directory

这时使用命令

sudo find / -name hdf5.h 和 sudo find / -name hdf5_hl.h ,

找到相应的路径之后,把路径加到 Makefile.config中。

比如,我的hdf5.h的路径为:/usr/include/hdf5/serial/hdf5.h , 则修改Makefile.config中的项“INCLUDE_DIRS”为:
INCLUDE_DIRS := $(PYTHON_INCLUDE) /usr/include/hdf5/serial   /usr/local/include
如果编译caffe时提示找不到libhdf5.so , 错误提示为:/usr/bin/ld: cannot find -lhdf5

使用命令sudo find / -name libhdf5.so ,路径为:
/usr/lib/x86_64-linux-gnu/hdf5/serial/libhdf5.so 

此时要修改Makefile.config中的项“LIBRARY_DIRS”为:
LIBRARY_DIRS := $(PYTHON_LIB) /usr/lib/x86_64-linux-gnu/hdf5/serial   /usr/local/lib /usr/lib