本文介绍了nvcc fatal:安装了cuda 9.1 + caffe + openCV 3.4.0时不支持的gpu架构'compute_20'的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
我已经安装了CUDA 9.1+cudnn-9.1+opencv 3.4.0+caffe.
当我尝试在caffe目录中运行make all -j8时，发生此错误:
When I tried to run make all -j8 in caffe directory, this error occurred:
我尝试运行:
"cmake -D CMAKE_BUILD_TYPE=RELEASE -D CUDA_GENERATION=Kepler .."
但是没有用.
推荐答案
尝试手动编辑 Makefile.config 从这些行中删除compute_2*架构(注释解释了原因):
Try manually edit Makefile.config to remove compute_2* architectures from these lines (comments explain why):
# 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
并添加compute_6 *体系结构(请参见注释)，以便新的CUDA_ARCH如下所示:
And add the compute_6* architectures (see the comments) so that your new CUDA_ARCH looks like this:
# 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_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
那么您需要先make clean在make all之前.
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