Pion: A Spectrum-Preserving Optimizer via Orthogonal Equivalence Transformation

Benchmark Model Rank Results
code-generation-on-humanevalPion (Qwen2.5-1.5B finetuning)#99Pass@1: 53.05
arithmetic-reasoning-on-gsm8kPion (Qwen2.5-1.5B finetuning)#207Accuracy: 65.76