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New research probes MUON optimizer's convergence and proposes MALT extension

Two new research papers explore the MUON optimization algorithm, a method used in training large language models. The first paper introduces MALT, an extension of MUON that incorporates lightweight diagonal preconditioning to improve robustness against curvature anisotropy in loss landscapes. MALT aims to maintain MUON's efficiency while enhancing its performance, as demonstrated in experiments with GPT-2 models. The second paper analyzes MUON's convergence properties, showing that it can fail to converge for certain stochastic optimization problems and providing an error analysis for generalized variants of the algorithm. AI

IMPACT These papers offer theoretical and experimental improvements to optimization techniques used in training large language models, potentially leading to more efficient and robust model development.

RANK_REASON Two academic papers published on arXiv discussing and extending an optimization algorithm.

Read on arXiv cs.LG →

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

New research probes MUON optimizer's convergence and proposes MALT extension

COVERAGE [2]

  1. arXiv cs.LG TIER_1 English(EN) · Tongle Wu, Huanyu Dong, Ying Sun, Ziye Ma ·

    MALT: Lightweight Curvature-Aware Muon via Diagonal Preconditioning

    arXiv:2608.05088v1 Announce Type: new Abstract: Muon has recently emerged as a promising alternative to AdamW for language model pretraining by orthogonalizing momentum matrices using Newton-Schulz iterations. Although Muon mitigates gradient anisotropy, it does not explicitly ac…

  2. arXiv cs.LG TIER_1 English(EN) · Thang Do, Steffen Dereich, Arnulf Jentzen ·

    On MUON optimization: From non-convergence to an error analysis with Polar Express and the Newton-Schulz polynomial from implementations

    arXiv:2608.04607v1 Announce Type: cross Abstract: Stochastic gradient descent (SGD) optimization methods are the standard instruments for the training of deep neural networks (DNNs). In many relevant artificial intelligence (AI) systems - such as popular large language models (LL…