GPU scale-up and scale-out networks

What experts have said about GPU scale-up and scale-out networks

1 statement · 1 negative

1. Reiner PopeNegativeApr 29, 2026· Dwarkesh Podcast

   Scale-out interconnect bandwidth is typically about eight times slower than scale-up bandwidth.

   “the scale out and it tends to be about eight times slower in bad width”

   Listen at 39:35

   Open the episode · Reiner Pope – The math behind how LLMs are trained and served

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