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[论文解读] A recipe for scalable attention-based MLIPs: unlocking long-range accuracy with all-to-all node attention

Eric Qu, Brandon M. Wood|arXiv (Cornell University)|Mar 6, 2026
Machine Learning in Materials Science被引用 0
一句话总结

论文提出了一种可扩展的基于注意力的机器学习原子势MLIP框架,使用全对全节点注意力来提升长程相互作用的准确性。

ABSTRACT

Machine-learning interatomic potentials (MLIPs) have advanced rapidly, with many top models relying on strong physics-based inductive biases. However, as models scale to larger systems like biomolecules and electrolytes, they struggle to accurately capture long-range (LR) interactions, leading current approaches to rely on explicit physics-based terms or components. In this work, we propose AllScAIP, a straightforward, attention-based, and energy-conserving MLIP model that scales to O(100 million) training samples. It addresses the long-range challenge using an all-to-all node attention component that is data-driven. Extensive ablations reveal that in low-data/small-model regimes, inductive biases improve sample efficiency. However, as data and model size scale, these benefits diminish or even reverse, while all-to-all attention remains critical for capturing LR interactions. Our model achieves state-of-the-art energy/force accuracy on molecular systems, as well as a number of physics-based evaluations (OMol25), while being competitive on materials (OMat24) and catalysts (OC20). Furthermore, it enables stable, long-timescale MD simulations that accurately recover experimental observables, including density and heat of vaporization predictions.

研究动机与目标

  • 在大型系统中捕捉长程相互作用的需要,推动MLIP中可扩展注意力机制的研究。
  • 引入全对全节点注意力策略,以实现MLIP内部节点之间的全面通信。
  • 概述一个可扩展的配方,在长程原子相互作用中平衡准确性与计算效率。

提出的方法

  • 提出一种带有全对全节点注意力的注意力模型MLIP架构,用于建模原子间相互作用。
  • 在保持可扩展性的同时,纳入实现广泛的节点间通信的机制。
  • 概述实现长程准确性的核心组件与训练注意事项。
  • 讨论在MLIP中实现可扩展注意力的实际考虑因素。

实验结果

研究问题

  • RQ1如何利用全对全节点注意力来提升MLIP的长程准确性?
  • RQ2在大型系统中使用全对全注意力对MLIP的可扩展性有何影响?
  • RQ3在可扩展注意力型MLIP中,哪些设计选择在准确性与计算效率之间取得平衡?
  • RQ4与现有方法在捕捉长程相互作用方面相比,所提配方有何优势?

主要发现

  • 该方法通过全对全节点注意力旨在提高MLIP的长程相互作用准确性。
  • 论文讨论将注意力机制应用于MLIP的可扩展性策略。
  • 所提配方解决了可扩展注意力在原子势中的实际实现方面的问题。

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