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Haodong Wen

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#natural language process... Preprint Sep 2026

DeepSeek-V4.1-Flash: Pushing the Limits of KV Cache Compression

The widespread adoption of long-horizon agents has made model workloads increasingly input-heavy. Although prior work has substantially reduced the cost of long-context computation, prefill remains computationally expensive, and large KV caches continue to strain HBM and SSD capacity and data-transfer bandwidth. Togeth...

De Xu, B. Li, Bang Lin et al. · 35 citations
Preprint Jul 2026

Frontier Language Models Struggle to Copy: Text Can Be Better Viewed in 2D

2D-RoPE is introduced, which organizes text into a 2D grid rather than a 1D sequence and assigns each token a row ID and a column ID, and suggests that viewing text in 2D can benefit language modeling.

Haodong Wen, Yiran Zhang, Yingfa Chen et al. · 0 citations

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