AXLearn: Modular, Hardware-Agnostic Large Model Training
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Abstract (arXiv)
AXLearn is a production system which facilitates scalable and high-performance training of large deep learning models. Compared to other state-of-art deep learning systems, AXLearn has a unique focus on modularity and support for hardware-agnostic training. AXLearn's internal interfaces between software components follow strict encapsulation, allowing different components to be assembled to facilitate rapid model development and experimentation on different hardware infrastructure. AXLearn maintains constant complexity as we scale the components in the system, compared to linear or quadratic complexity in state-of-the-art training systems. This allows integrating features such as Rotary Position Embeddings (RoPE) into AXLearn across hundred of modules with just 10 lines of code, compared to hundreds as required in other systems. At the same time, AXLearn maintains equivalent performance compared to state-of-the-art training systems. Finally, we share our experience in the development and operation of AXLearn at Apple.
Key facts. Cited by 4 papers in the map (data through 14 Oct 2026). Builds on 15 of its 35 references that are in the map. First posted on arXiv 7 Jul 2025.
Builds on
15 of 35 references.
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Citing papers per year: 2025: 4.
4 papers.
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- 2025Apple Intelligence Foundation Language Models: Tech Report 202517 Jul 2025
- 2025Language Models Improve When Pretraining Data Matches Target Tasks16 Jul 2025