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Fei Long

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Book Open access Aug 2026

OptiFlow: Towards LLM-Driven Optimization of Collective Communication Algorithms

OptiFlow is presented, among the first LLM-driven frameworks for automated design of high-performance collective communication algorithms, with key insight is a two-layer decomposition: the LLM generates compact data-movement intent expressed in a domain-specific language, while deterministic scheduling algorithms compile these programs into executable schedules.

Fei Long, Ziyue Yang, Kaihui Gao et al. · 1 citation

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