fabric
AI infra interview questions tagged fabric, across every topic.
14 questions · 3 unlocked for you
Concepts behind "fabric"
Review the concepts used in these questions.
Foundational
Scale-Out Fabric Choice: InfiniBand XDR vs Spectrum-XInfiniBand and Spectrum-X connect GPUs across nodes. Compare congestion behavior, topology and operational requirements as well as port speed.🖧 Hardware & Cluster Build-Out
Core
RDMA, InfiniBand and RoCEv2RDMA lets network adapters transfer data directly between registered memory regions. InfiniBand and RoCE provide different network and operating environments for those transfers.🔌 Networking & StorageSign in
Advanced
Rail-Optimized and Fat-Tree FabricsRail-optimized and Clos fabrics organize traffic between GPU nodes. Port counts, placement and oversubscription determine which paths are available to collectives.🔌 Networking & Storage🔒 Premium
Advanced
Training Cluster Design at 10k GPUsSize a training cluster from the model, data and completion deadline. Then check the network, storage, power and recovery capacity needed to keep those GPUs productive.📐 AI Systems Design🔒 Premium
