PaddleVideo多显卡，出现Error reported to Coordinator: libnccl.so.2: cannot open shared object file: No such file or directory

进入https://developer.nvidia.com/nccl/nccl-download，安装对应cuda版本的nccl即可。

 sudo apt-get update后记着执行：

 参考地址：https://github.com/tensorflow/tensorflow/issues/22899