Author

Yang-Yu Zhang

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#artificial intelligence Preprint May 2026

KLineage: Recovering the Missing When of Kernel Optimization by Deoptimizing Experts

This work introduces KLineage, which learns this missing"when"knowledge from expert kernels: instead of relying on forward rollouts, KLineage walks expert implementations backward through validation-gated simplifications and reverses each accepted step into a reusable optimization skill.

Shuo-Ming Zhang, Qiu-Chun Yu, Rui-Yuan Xu et al. · 0 citations

Review Jul 2026

Decode-Time Grammars: Constrained LLM Generation over a Refinement Order of Grammar Fragments

Large language models now write a growing share of the world's code, increasingly inside agents and serving systems that compile, execute, or dispatch generated code without line-by-line review. This works well for mainstream languages but remains brittle for low-resource programming surfaces such as domain-specific la...

Shuoming Zhang, Ruiyuan Xu, Haofeng Li et al. · arXiv.org · 0 citations