caffe安装问题——fattal error nccl.h no such file or directory

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问题

In file included from ./include/caffe/parallel.hpp:19:0,
                 from ./include/caffe/caffe.hpp:13,
                 from tools/caffe.cpp:15:
./include/caffe/util/nccl.hpp:5:18: fatal error: nccl.h: No such file or directory
compilation terminated.
Makefile:591: recipe for target '.build_release/tools/caffe.o' failed
make: *** [.build_release/tools/caffe.o] Error 1
make: *** Waiting for unfinished jobs....

解决方法

git clone https://github.com/NVIDIA/nccl.git
cd nccl
sudo make install -j4
sudo ldconfig