Nvidia is currently upgrading its SaturnV AI supercomputer with Volta DGX-1 GPUs in order to push the crunching power for its autonomous driving program. The SaturnV will be capable of 40 PetaFLOPS in FP64 mode, making it one of the top 10 AI supercomputers worldwide.
https://www.notebookcheck.net/Nvidia-s-upgraded-SaturnV-with-Volta-DGX-1-GPUs-to-be-among-top-10-AI-supercomputers.263728.0.html