Author

Yue-Meng Xu

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Preprint Aug 2026

InSituANN: Revisiting IVF for PCIe-Efficient Billion-Scale Vector Search

Approximate nearest neighbor search (ANNS) over billion-scale vector datasets has become a foundational operator for modern retrieval systems, powering large-scale recommendation, semantic search, and LLM/RAG workloads. Although GPUs offer massive parallelism and high-bandwidth memory for batched vector search, their l...

Yue-Meng Xu, Zongxi Liu, Junyu Long et al. · 0 citations

Preprint Aug 2026

ArborMem: Navigating Interaction States with Memory Forests

This work introduces ArborMem, an online memory framework that represents a long-running conversation as a navigable forest of interaction states that outperforms the strongest baselines on three established benchmarks and introduces BranchMemEval, a controlled diagnostic benchmark for interleaved and resumable interac...

Zongwei Lv, Yue-Meng Xu, Yilun Yao et al. · 0 citations