Author

Brian K. Chen

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Preprint Sep 2026

AVSG: Accelerated Vectorized Sparse Gather for Efficient KV Cache Offload in Sparse-Attention LLM Serving

Dynamic sparse attention reduces long-context attention computation by selecting only a subset of tokens, but still requires access to the full KV cache, leaving serving memory-bound. Offloading the KV cache to host memory reduces device memory pressure but places H2D transfers on the decoding critical path. In DSA, su...

Wen-Wei Kuang, Xiang-Yu Wang, Chong Wu et al. · 0 citations

Open access Jul 2026

Rethinking pathology image analysis through shuffling

This study establishes pathoentity shuffling as an effective principle for pathological image analysis, bridging biological insight and computational design to enhance diagnostic modeling and morphological hierarchy learning.

Zeyu Liu, Tianyi Zhang, Brian K. Chen et al. · npj Biomedical Innovations · 0 citations

Preprint Jul 2026

Speculative Correction: Draft-then-Refine Decoding for Diffusion Language Models

Overall, same-model draft-and-refine provides evidence that bidirectional refinement is a useful decoding primitive for DLMs, while speculative correction demonstrates a training-free route to fast DLM generation.

Brian K. Chen, Chongwu Wu, Kenji Kawaguchi · 0 citations