Author

Si-Hang Liu

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Preprint Aug 2026

AgentDecarbonizer: Carbon-Aware Execution for AI Agents

AI agents extend large language models from single prompt-response interactions to long-running, goaldirected workflows that issue many model calls, invoke tools, and interact with external environments. These workflows enable tasks such as software repair, data analysis, and experiment management, but their repeated m...

Leyi Yan, Shuang-Ning Li, Si-Hang Liu · 0 citations

#machine learning Preprint Sep 2026

SparSP: Exploiting Communication Sparsity for Sequence-Parallel Video DiTs

This paper argues that attention sparsity should be treated as a communication primitive and presents SparSP, an efficient sparse sequence parallel communication system that co-designs token distribution, communication routing, and asynchronous execution for sparse video diffusion models.

De-Sen Sun, Xin-Rui Zhong, Yu-Ke Wang et al. · 0 citations