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Zongwei Lv

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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 Sep 2026

Adaptive Context Parallelism for Production LLM Serving

Vertumnus is presented, an adaptive CP serving system designed for heterogeneous and evolving workloads that reduces mean TTFT and improves token-weighted SLO attainment and introduces a global prefix-cache management policy that coordinates cache placement and replication among workers with the same or different CP de...

Jiarui Guo, Rong-Le Wang, Pei-Jun Huang et al. · 0 citations
#artificial intelligence Preprint Aug 2026

REAL-Q: E2E LLM Quantization via Dynamic Gradient Descent

Real-Q (Real-time E2E-loss Aligned LLM Quantization), a novel PTQ paradigm that breaks this compromise: instead of diluting the objective for the sake of analytic tractability, REAL-Q targets an end-to-end-aligned surrogate of the global loss and refines it via fine-grained, dynamic Block-wise Gradient Descent applied...

Qian Zhang, Yao-Ming Li, Zheng Tan et al. · 0 citations

RealClawBench: Live OpenClaw Benchmarks from Real Developer-Agent Sessions

RealClawBench is introduced, a live benchmark framework built from real OpenClaw sessions to capture the distribution, diversity, and real-world difficulty of deployed agent use and provides a practical path toward benchmarks that better measure agent capability in actual use.

Zongwei Lv, Zhewen Tan, Yao-Ming Li et al. · 1 citation · ⚡1
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

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