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Keller Jordan

Muon blog and KellerJordan/Muon implementation author; personal About page links the kellerjordan0 X account, and GitHub profile owns Muon, modded-nanogpt, and cifar10-airbench repositories.

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Jun 19, 2026

Muon: An optimizer for hidden layers in neural networks

Muon 的核心技术含量在于把隐藏层矩阵参数的 momentum update 映射到近似半正交方向:它用低精度 Newton Schulz 近似 polar factor,让更新能量更均匀地覆盖矩阵奇异方向;后续大模型实践表明,Muon 想稳定扩展到 LLM pretraining,还需要 weight decay、shape aware update scale、AdamW/Muon 参数分组、分布式 full matrix or...

2026-06-19-muon-optimizer-keller-jordan-synthesis OptimizerDistributed TrainingTraining Stability