Denoiser with Persistent Memory Solves Sudoku-Extreme at 99.9%

Researchers added persistent hidden memory to a diffusion denoiser without timestep conditioning, creating an anytime iterative solver that solves Sudoku-Extreme at 99.9%, improving the longer it runs.

2026-09-11 ~ 2026-09-12 · 2 related posts

• Recurrent denoisers: adding a persistent hidden state makes diffusion an anytime solver — burkov · 2026-09-11
• Persistent-memory denoiser hits 99.9% on Sudoku-Extreme with under 250k parameters — LucaAmb · 2026-09-12