@article{perfagentprofilerguidediterativerefineme, title = {PerfAgent: Profiler-Guided Iterative Refinement for Repository-Level Code Optimization}, author = {Ryan Deng and Yuanzhe Liu and Bastian Lipka and Yao Ma and Xuhao Chen and Tim Kaler and Jatin Ganhotra}, year = {2026}, eprint = {2607.19653}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2607.19653}, }