Solved by albanD in post #6 
              
              
                You can use the get_env_info() function from the torch.utils.collect_env module to get some informations. 
To be sure what is used, the best way is to open python. import torch. Copy the path to the main c library with torch._C.__file__. Then in your terminal, run ldd path_to_that_library. It will l…