• Computer Science > Distributed, Parallel, and Cluster Computing [Submitted on 25 Feb 2026] Title:IOAgent: Democratizing Trustworthy HPC I/O Performance Diagnosis Capability via LLMs View PDF HTML (experimental)Abstract:As the complexity of the HPC storage stack rapidly grows, domain scientists face increasing challenges in effectively utilizing HPC storage systems to achieve their desired I/O performance • To identify and address I/O issues, scientists largely rely on I/O experts to analyze their I/O traces and provide insights into potential problems • However, with a limited number of I/O experts and the growing demand for data-intensive applications, inaccessibility has become a major bottleneck, hindering scientists from maximizing their productivity • Rapid advances in LLMs make it possible to build an automated tool that brings trustworthy I/O performance diagnosis to domain scientists • However, key challenges remain, such as the inability to handle long context windows, a lack of accurate domain knowledge about HPC I/O, and the generation of hallucinations during complex this http URL this work, we propose IOAgent as a systematic effort to address these challenges

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  • Computer Science > Distributed, Parallel, and Cluster Computing [Submitted on 25 Feb 2026] Title:IOAgent: Democratizing Trustworthy HPC I/O Performance Diagnosis Capability via LLMs View PDF HTML (experimental)Abstract:As the complexity of the HPC storage stack rapidly grows, domain scientists face increasing challenges in effectively utilizing HPC storage systems to achieve their desired I/O performance. To identify and address I/O issues, scientists largely rely on I/O experts to analyze their I/O traces and provide insights into potential problems. However, with a limited number of I/O expe

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