Author

Ian T. Foster

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Preprint Sep 2026

ExaServe: Large-Scale LLM Serving on Exascale HPC Systems

Cloud-native LLM serving frameworks have made deployment routine in data centers, yet deploying them on leadership-class supercomputers remains an engineering challenge requiring scheduler integration, MPI launch, accelerator selection, node-local weight staging, and platform-specific patches. We present ExaServe, a pi...

Wen-Yi Wang, Shu Shi, Y. Babuji et al. · 0 citations

Preprint Sep 2026

Avatar: Toward Autonomous End-to-End Orchestration of Scientific Workflows using LLMs

Scientific workflow management (WMSs) systems automate execution, yet orchestrate using fixed, hand-tuned rules. LLM agents promise more autonomous orchestration, but it remains unclear where to introduce agentic reasoning, how to bound its risk, and when it actually helps. We present Avatar, an actor-based architectur...

Suman Raj, H. Nguyen, Haochen Pan et al. · 0 citations

#artificial intelligence Preprint Sep 2026

Diamond Agent: Agentic Control of Federated HPC Resources as a Service

Efficiently aggregating and orchestrating computing power across heterogeneous clusters for HPC workflows faces four practical challenges: preserving workflow context across independently administered clusters, moving large datasets between sites, reasoning about site-specific environments and scheduler policies, and e...

Haotian Xie, Jun-Lin Chen, Ming-Kai Zheng et al. · 0 citations