Author

Chong Wu

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Preprint Sep 2026

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

AVSG reduces time per output token by 39% and increases output throughput by 1.27x relative to the same KV offload layout without HBM-buffer reuse, demonstrating the benefit of efficient matching, balanced transfer, and effective HBM residency in production-scale serving.

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

Jul 2026

Intrinsic Low-Tucker-Rank Theory and Unified Tensor CUR Decomposition for High-Dimensional Hyperinterpolation

A rigorous theory of intrinsic low-$\epsilon$-Tucker-rank for hyperinterpolation coefficient tensors is established, delivering near-optimal low-rank approximations with error bounds that are nearly independent of the dimension.

Mao-Lin Che, Yi-Min Wei, Chong Wu · arXiv.org · 0 citations