ChaiBapchya commented on a change in pull request #17297: Fix NCCL Cmake 
autodetect issue
URL: https://github.com/apache/incubator-mxnet/pull/17297#discussion_r367578134
 
 

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 File path: cmake/Modules/FindNCCL.cmake
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 @@ -33,6 +33,23 @@
 
 set(NCCL_ROOT_DIR "" CACHE PATH "Folder contains NVIDIA NCCL")
 
+# first check in the /usr/local/cuda before other paths
 
 Review comment:
   Surprisingly, I couldn't find a check for `/usr/local/cuda` in case of 
pytorch's FindNCCL
   I have created a discuss question on their forum anyway - 
https://discuss.pytorch.org/t/findnccl-cmake-search-for-usr-local-cuda/66891

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