2 papers
cs.SE2026
PerfAgent: Profiler-Guided Iterative Refinement for Repository-Level Code Optimization
Ryan Deng, Yuanzhe Liu, Bastian Lipka +4
Large language model (LLM) agents now perform well on correctness-oriented repository-level tasks, including SWE-Bench issue resolution and feature implementation in real codebases…
cs.LG2026
Muse: Representation Geometry of Muon Beyond Normalized Momentum
Da Chang, Qiankun Shi, Lvgang Zhang +4
Muon-style optimizers apply a polar map to matrix momentum, but their updates also depend on the representation of each parameter block before orthogonalization. We study this repr…