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New 'Muse' optimizers explore representation geometry for LLMs

Researchers have introduced "Muse," a novel family of optimizers designed for large language models that explores the geometric properties of parameter representations. Unlike standard Muon-style optimizers, Muse's updates are influenced by the representation of each parameter block before orthogonalization. Experiments on LLaMA2-130M and LLaMA2-600M indicate that balanced non-native representations can achieve performance comparable to native representations, while reducing the shorter dimension can weaken scaling and singular-channel support. AI

IMPACT Introduces novel optimization techniques that could improve training efficiency and performance for large language models.

RANK_REASON The cluster contains an academic paper detailing a new method for optimizers in machine learning.

Read on arXiv cs.LG →

AI-generated summary · Google Gemini · from 2 sources. How we write summaries →

New 'Muse' optimizers explore representation geometry for LLMs

COVERAGE [2]

  1. arXiv cs.LG TIER_1 English(EN) · Da Chang, Qiankun Shi, Lvgang Zhang, Di He, Yaoshuai Ma, Ganzhao Yuan, Yongxiang Liu ·

    Muse: Representation Geometry of Muon Beyond Normalized Momentum

    arXiv:2607.14536v1 Announce Type: new Abstract: Muon-style optimizers apply a polar map to matrix momentum, but their updates also depend on the representation of each parameter block before orthogonalization. We study this representation choice as a form of optimizer geometry an…

  2. arXiv cs.LG TIER_1 English(EN) · Yongxiang Liu ·

    Muse: Representation Geometry of Muon Beyond Normalized Momentum

    Muon-style optimizers apply a polar map to matrix momentum, but their updates also depend on the representation of each parameter block before orthogonalization. We study this representation choice as a form of optimizer geometry and introduce {\method}, a family of Muon-style op…