update nvidia peer

Author: hephaex

commons/Dockerfile.base.20.07-py36-cuda10.1

@@ -5,7 +5,7 @@ ARG CUDA=10.1
 ARG LIBNVINFER=6.0.1-1
 ARG LIBNVINFER_MAJOR_VERSION=6
 ARG CUDNN=7.6.5.32-1
-ENV NCCL_VERSION=2.7.3-1+cuda10.1
+ENV NCCL_VERSION=2.7.8
 
 # Python 2.7 or 3.6 is supported by Ubuntu Bionic out of the box
 ARG python=3.6