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NVIDIA GPUs in the AI and HPC EraAnswer first: DGX is an NVIDIA-integrated system with defined hardware, software, management, and support, while HGX is a platform used by server partners to build supported systems; compare exact generations rather than assuming every DGX or HGX has the same GPUs, topology, networki...

Scaling Challenges in the AI EraAnswer first: scale-up enlarges a tightly coupled compute domain, while scale-out connects multiple systems through a fabric; most production AI platforms use both, but the boundary, topology, parallelism, software, failure model, and economics are workload-specific. Review NVIDIA's s...

Answer first: NVLink is NVIDIA's proprietary interconnect for supported CPU/GPU and GPU/GPU domains, while NVSwitch builds a switched NVLink fabric; compare only the exact architecture, system topology, link count, direction convention, software, workload, and documented peak conditions. Review NVIDIA's Hopper NVLin...