activity
20242026
most citedCharacterizing the Dilemma of Performance and Index Size in Billion-Scale Vector Search and Breaking It with Second-Tier Memory

2 citations · 2 across the 5 of their papers we have counts for

collaborators

5 papers

cs.OS2026

Towards Fully-fledged GPU Multitasking via Proactive Memory Scheduling

Weihang Shen, Yinqiu Chen, Rong Chen +1

The limited HBM capacity has become the primary bottleneck for hosting an increasing number of larger-scale GPU tasks. While demand paging extends capacity via host DRAM, it incurs…

cs.DC2025

Fast LLM Post-training via Decoupled and Fastest-of-N Speculation

Rongxin Cheng, Kai Zhou, Xingda Wei +8

Rollout dominates the training time in large language model (LLM) post-training, where the trained model is used to generate tokens given a batch of prompts. This work, SpecActor,…

cs.OS2025

Holistic Heterogeneous Scheduling for Autonomous Applications using Fine-grained, Multi-XPU Abstraction

Mingcong Han, Weihang Shen, Rong Chen +2

Modern autonomous applications are increasingly utilizing multiple heterogeneous processors (XPUs) to accelerate different stages of algorithm modules. However, existing runtime sy…

cs.DC2025

Towards Lock Modularization for Heterogeneous Environments

Hanze Zhang, Rong Chen, Haibo Chen

Modern hardware environments are becoming increasingly heterogeneous, leading to the emergence of applications specifically designed to exploit this heterogeneity. Efficiently adop…

cs.DC20242 cited

Characterizing the Dilemma of Performance and Index Size in Billion-Scale Vector Search and Breaking It with Second-Tier Memory

Rongxin Cheng, Yifan Peng, Xingda Wei +4

Vector searches on large-scale datasets are critical to modern online services like web search and RAG, which necessity storing the datasets and their index on the secondary storag…