Cerebras explains how it deploys trillion-parameter models on wafer-scale chips
bookwormengr · x · 2026-10-23
Cerebras published an article on deploying trillion-parameter frontier models on its wafer-scale chips. K3 (2T+ params) keeps constant state in 75% of layers, and DeepSeek v4.1's tiny KV state via KV reuse both suit the dataflow architecture—packing more layers per wafer and more sequences per micro-batch. The author also suggests experimenting with DS V4.1 Flash's Engram layer, which can live off-wafer thanks to selective, low-traffic reads. Great visualizations.
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