http://www.pcworld.com/article/3072256/google-io/googles-tensor http://www.wsj.com/articles/google-isnt-playing-games-with-new- Nvidia Corp. has been pushing its chips, known as graphical processing units , into artificial intelligence as well. GPUs are designed to render videogame images on personal computers but have turned out to be well suited to performing calculations used by machine learning applications.Google, which relies mainly on standard Intel Corp. processors for most computing jobs, also has used Nvidia GPUs for artificial intelligence calculations including its early tests of the AlphaGo software.