John Barrus writes that Cloud TPUs are available in beta on Google Cloud Platform to help machine learning experts train and run their ML models more quickly. “Cloud TPUs are a family of Google-designed hardware accelerators that are optimized to speed up and scale up specific ML workloads programmed with TensorFlow. Built with four custom ASICs, each Cloud TPU packs up to 180 teraflops of floating-point performance and 64 GB of high-bandwidth memory onto a single board.