learn nvcaffe code 

Hi,  Sergei Nikolaev, Ph.D. I am a AI engineer, I want to explore the lower level of knowledge about AI framework, I have been studying nvcaffe-017.3 code for more than a month, I am still confused about the details of the code, can you share the notes about nvcaffe code or about documents that helping to understand nvcaffe code with me? Thanks for your response.