arXiv AI By Duo Chai, Zizhen Liu, Shuhuai Wang, Songwei Pei, Cheng Liu, Huawei Li, Shangguang Wang

Analysis of LLM Vulnerability to GPU Soft Errors: An Instruction-Level Fault Injection Study

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The paper presents the first instruction-level fault injection study of large language model (LLM) inference, focusing on how GPU soft errors affect these compute- and memory-intensive models. It examines the impact of model architecture, parameter scale, and task complexity on LLM vulnerability, revealing distinct reliability characteristics compared to earlier neural networks. The study offers new insights that can guide the development of more effective fault tolerance mechanisms for LLMs.

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arXiv Machine Learning
Oct 8

Fault-tolerant foundation models

The paper demonstrates that large‑language models can be trained to tolerate unreliable computer hardware, with their error resilience improving as the models grow. Using 40,000 GPU‑hours of training on simulated faulty hardware, the authors derive modified neural scaling laws that show models learn to compute within efficient error‑correcting codes. This suggests that, if formally fault‑tolerant, such models could enable AI inference on low‑energy, faulty hardware, potentially yielding significant energy savings.

By Trevor McCourt, Ila R. Fiete, Isaac L. Chuang