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Yu-Fei Ding

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Preprint Oct 2026

Zepp: Accelerating Distributed MoE Serving under Relaxed Balance Constraints

As Mixture-of-Experts (MoE) models continue to scale, serving them increasingly relies on expert parallelism (EP) across a growing number of devices. Yet skewed expert workloads create imbalance across computation, communication, and memory, making load balancing a central optimization objective in distributed MoE serv...

Chang Chen, Andrew Yang, Tian-Cheng Chen et al. · 0 citations
Preprint Sep 2026

RR-Evict: Fine-Grained Prefix Cache Eviction beyond LRU for Agentic LLM Serving

This work presents RR-EVICT, a fine-grained prefix-cache eviction strategy that distributes reclamation across idle agent trajectories, and implements RR-EVICT in SGLang and evaluates conversational and coding-agent workloads under colocated and prefill-decode-disaggregated serving.

Zai-Feng Pan, Chris Wu, Zheng-Ding Hu et al. · 0 citations
#machine learning Preprint Aug 2026

Beyond Parallel Blindness: Information Floors and Model Gaps in Block Drafting

Block drafters propose several tokens in one forward pass, before earlier target tokens are realised. Their rejection mixes two losses: missing within-block path information and imperfect modelling of observable information. Accepted length cannot distinguish them. We separate the two with an information floor, the min...

Xinwei Qiang, Xiang Fang, Changli Chen et al. · 0 citations

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