1. The document discusses five top stories from the world of high performance computing (HPC) and artificial intelligence (AI).
2. The first story is about a webinar on HPC exascale and AI. The second story is about Oak Ridge National Laboratory building what could be the world's fastest computer called Summit. The third story provides an inside view of Tokyo Tech's massive Tsubame 3 supercomputer.
3. The remaining stories discuss NVIDIA's new Volta graphics processing units (GPUs) presented at the Hot Chips conference, and a new server from IBM and NVIDIA that embeds their NVLink high-speed connection between CPUs and GPUs.