Author

Ruoyu Wang

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#machine learning Preprint Sep 2026

PQ-HSA: Reusing Product-Quantized Scores for Hybrid Sparse-Approximate Attention

At each decoding step a language model attends over the key-value (KV) cache of every earlier token, so at long context the attention call is bounded by memory bandwidth. Sparse attention reads only a subset of keys chosen by a cheap score estimate, and most methods give the unread tokens zero weight. The output then d...

Kun-Ming Shao, Jie-Run Chen, Yan-Li Wang et al. · 0 citations

Review Jul 2026

SWE-Review: Closing the Loop on Issue Resolution with Agentic Code Review

Experiments show that agentic review continuously improves PRs through a generate-review-revise loop, outperforms single-turn fixed-context review in both decision accuracy and resolve rate after revision, transfers beyond review to improve issue-resolution models, and enables effective and efficient test-time scaling.

Ruoyu Wang, Jierun Chen, Shaowei Wang et al. · arXiv.org · 4 citations