DeepSeek v4.1 Flash Architecture Deep-Dive: Pushing KV Cache Compression to the Limit
mfiguiere · hn · 2026-09-17
A technical teardown of the rumored DeepSeek v4.1 Flash architecture, focusing on its aggressive KV cache compression. The post walks through the attention-layer design and cache organization that cut memory and bandwidth costs for long-context inference, arguing the design pushes compression further than prior DeepSeek releases while preserving quality — with implications for cheap local and edge deployment.
More from Infra
- Perovskite could lift solar efficiency ceiling from 30% to 45% — and give the US a shot against China — kyliebytes · 2026-09-17
- How mobile and specialization broke homogeneous compute into TPUs, NPUs, and more — blelbach · 2026-09-17
- After the x86 Monoculture: Software Will Suffer for Hardware's Fragmentation Again — blelbach · 2026-09-17
- Hardware veteran: low-precision gains nearly exhausted, true sparsity is AI's next 10x — blelbach · 2026-09-17
- Moore's Law in three eras: from free lunch (1970-2005) to software hell (2015-now) — blelbach · 2026-09-17
- Fed's first rate hike in 3 years raises the financing bar for debt-funded GPU clusters — rohanpaul_ai · 2026-09-17