collaborators

8 papers

cs.DB2026

d-HNSW: A High-performance Vector Search Engine on Disaggregated Memory

Fei Fang, Yi Liu, Chen Qian

Efficient vector search is essential for powering large-scale AI applications, such as LLMs. Existing solutions are designed for monolithic architectures where compute and memory a…

cs.DC2026

PlanetServe: A Decentralized, Scalable, and Privacy-Preserving Overlay for Democratizing Large Language Model Serving

Fei Fang, Yifan Hua, Shengze Wang +4

While significant progress has been made in research and development on open-source and cost-efficient large-language models (LLMs), serving scalability remains a critical challeng…

cs.DB2025

Trinity: Disaggregating Vector Search from Prefill-Decode Disaggregation in LLM Serving

Yi Liu, Chen Qian

Prefill and decode (PD) disaggregation separates prompt prefill and token-by-token decode stages into distinct GPU pools and has become the dominant architecture for large-scale LL…

cs.DC2025

Fantasy: Efficient Large-scale Vector Search on GPU Clusters with GPUDirect Async

Yi Liu, Chen Qian

Vector similarity search has become a critical component in AI-driven applications such as large language models (LLMs). To achieve high recall and low latency, GPUs are utilized t…

cs.NI2025

A Distributed Learned Hash Table

Shengze Wang, Yi Liu, Xiaoxue Zhang +2

Distributed Hash Tables (DHTs) are pivotal in numerous high-impact key-value applications built on distributed networked systems, offering a decentralized architecture that avoids…

cs.DB2025

Efficient Vector Search on Disaggregated Memory with d-HNSW

Yi Liu, Fei Fang, Chen Qian

Efficient vector query processing is critical to enable AI applications at scale. Recent solutions struggle with growing vector datasets that exceed single-machine memory capacity,…