Oracle unveils Zettascale10, a claimed 16 zettaFLOP cloud AI supercomputer using 800,000 Nvidia GPUs with advanced RoCE networking architecture.

source https://www.techradar.com/pro/oracle-claims-to-have-the-largest-ai-supercomputer-in-the-cloud-with-16-zettaflops-of-peak-performance-800-000-nvidia-gpus