xAI’s Colossus supercomputer cluster uses 100,000 Nvidia Hopper GPUs — and it was all made possible using Nvidia’s Spectrum-X Ethernet networking platform

xAI’s Colossus supercomputer cluster uses 100,000 Nvidia Hopper GPUs — and it was all made possible using Nvidia’s Spectrum-X Ethernet networking platform


  • Nvidia and xAI collaborate on Colossus development
  • xAI has markedly cut down ‘flow collisions’ during AI model training
  • Spectrum-X has been crucial in training the Grok AI model family

Nvidia has shed light on how xAI’s ‘Colossus’…

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https://www.techradar.com/pro/xais-colossus-supercomputer-cluster-uses-100-000-nvidia-hopper-gpus-and-it-was-all-made-possible-using-nvidias-spectrum-x-ethernet-networking-platform