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Da-Mai Dai

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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
Jul 2026

DSpark: Confidence-Scheduled Speculative Decoding with Semi-Autoregressive Generation

DSpark is introduced, a speculative decoding framework that unifies high-throughput parallel generation with adaptive, load-aware verification, and enables performance tiers that were previously unattainable, shifting the Pareto frontier of the DeepSeek-V4 serving system.

Xin Cheng, Xingkai Yu, Chenze Shao et al. · 24 citations · ⚡8

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