arXivThomas T. Zhang, Alok Shah, Yifei Zhang, Vincent Zhang, Nikolai Matni, Max SimchowitzThu, Jun 4, 2026, 10:22 AM PDT

score 17.2

New optimization method improves AI models that predict step-by-step

Original: Double Preconditioning (DoPr): Optimization for Test-Time Performance, not Validation Loss

Writing ELI5 summary…