arXiv AI By Ziyue Liu, Ruijie Zhang, Zhengyang Wang, Yequan Zhao, Yupeng Su, Zi Yang, Zheng Zhang

Muon$^2$: Boosting Muon via Adaptive Second-Moment Preconditioning

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arXiv:2604. 09967v2 Announce Type: replace-cross Abstract: Muon has emerged as a promising optimizer for large-scale foundation model pre-training by exploiting the matrix structure of neural network updates through iterative orthogonalization.

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arXiv Machine Learning
Jun 16

CacheMuon: Using Temporal Preconditioning To Approximate Polar Factor

arXiv:2606. 16371v1 Announce Type: new Abstract: Muon is an optimizer that computes updates using the polar factor of the momentum matrix and has shown strong empirical performance across a range of training settings.

By Bishnu Dev (Mohamed bin Zayed University of Artificial Intelligence, Abu Dhabi, UAE), Sushil Bohara (Mohamed bin Zayed University of Artificial Intelligence, Abu Dhabi, UAE), Martin Tak\'a\v{c} (Mohamed bin Zayed University of Artificial Intelligence, Abu Dhabi, UAE), Samuel Horv\'ath (Mohamed bin Zayed University of Artificial Intelligence, Abu Dhabi, UAE)
arXiv AI
Jul 16

Reassessing Muon for Matrix Factorization

arXiv:2607. 13246v1 Announce Type: cross Abstract: Muon has recently emerged as a strong optimizer for large-scale deep learning, where it reshapes gradient updates through approximate orthogonalization and has been reported to outperform Adam and AdamW in large language model training.

By Ali Parviz, Gal Mishne, Alex Cloninger
Hugging Face Trending Papers
Jul 14

Reassessing Muon for Matrix Factorization

Muon has recently emerged as a strong optimizer for large-scale deep learning, where it reshapes gradient updates through approximate orthogonalization and has been reported to outperform Adam and AdamW in large language model training. Its empirical success has motivated a growing body of theoretical work that interprets Muon as steepest descent under the spectral norm.