papers

Publications (13)

cs.DC2025

Expert-as-a-Service: Towards Efficient, Scalable, and Robust Large-scale MoE Serving

Ziming Liu, Boyu Tian, Guoteng Wang +15

Mixture-of-Experts (MoE) models challenge serving infrastructures with dynamic, sparse expert utilization, causing instability on conventional systems designed for dense architectu…

math.CO2022

New Techniques Based On Odd-Edge Total Colorings In Topological Cryptosystem

Bing Yao, Mingjun Zhang, Sihua Yang +1

For building up twin-graphic lattices towards topological cryptograph, we define four kinds of new odd-magic-type colorings: odd-edge graceful-difference total coloring, odd-edge e…

cs.DC2026

DistFlow: A Fully Distributed RL Framework for Scalable and Efficient LLM Post-Training

Zhixin Wang, Jiaming Xu, Tianyi Zhou +10

Effectively scaling Reinforcement Learning (RL) is crucial for enhancing the reasoning and alignment of Large Language Models. The massive data and complex execution flows inherent…

cs.DC2026

An Efficient, Reliable and Observable Collective Communication Library in Large-scale GPU Training Clusters

Mingjun Zhang, Xiaohe Hu, Menghao Zhang +21

Large-scale LLM training requires collective communication libraries to exchange data among distributed GPUs. As a company dedicated to building and operating large-scale GPU train…

cs.SD2024

Device Feature based on Graph Fourier Transformation with Logarithmic Processing For Detection of Replay Speech Attacks

Mingrui He, Longting Xu, Han Wang +2

The most common spoofing attacks on automatic speaker verification systems are replay speech attacks. Detection of replay speech heavily relies on replay configuration information.…

cs.IT2019

Using Chinese Characters To Generate Text-Based Passwords For Information Security

Bing Yao, Yarong Mu, Yirong Sun +12

Graphical passwords (GPWs) are in many areas of the current world. Topological graphic passwords (Topsnut-gpws) are a new type of cryptography, and they differ from the existing GP…

eess.SY2025

Achieving Stability and Optimality: Control Strategy for a Wind Turbine Supplying an Electrolyzer in the Islanded Storage-less Microgrid

Bosen Yang, Kang Ma, Jin Lin +5

Wind power generation supplying electrolyzers in islanded microgrids is an essential technical pathway for green hydrogen production, attracting growing attention in the transition…

cs.CR2019

Topological Graphic Passwords And Their Matchings Towards Cryptography

Bing Yao, Hui Sun, Xiaohui Zhang +7

Graphical passwords (GPWs) are convenient for mobile equipments with touch screen. Topological graphic passwords (Topsnut-gpws) can be saved in computer by classical matrices and r…

cs.CV2023

Domain Similarity-Perceived Label Assignment for Domain Generalized Underwater Object Detection

Xisheng Li, Wei Li, Pinhao Song +2

The inherent characteristics and light fluctuations of water bodies give rise to the huge difference between different layers and regions in underwater environments. When the test…

cs.IT2019

Topological Coding and Topological Matrices Toward Network Overall Security

Bing Yao, Meimei Zhao, Xiaohui Zhang +9

A mathematical topology with matrix is a natural representation of a coding relational structure that is found in many fields of the world. Matrices are very important in computati…

cs.NI2026

HetCCL: Enabling Collective Communication For Mixed-Vendor Heterogeneous Clusters

Yuejie Wang, Tao Chang, Yuanyuan Zhao +10

Training Large Language Models (LLMs) on heterogeneous clusters presents significant challenges for collective communication, as hardware from multiple vendors introduces diverse n…

cs.IT2018

Text-based Passwords Generated From Topological Graphic Passwords

Bing Yao, Xiaohui Zhang, Hui Sun +9

Topological graphic passwords (Topsnut-gpws) are one of graph-type passwords, but differ from the existing graphical passwords, since Topsnut-gpws are saved in computer by algebrai…

physics.flu-dyn2010

Far-Field Plasmonic Resonance Enhanced Nano-Particle Image Velocimetry within a Micro Channel

Zhili Zhang, Quanshui Li, Sara S. Haque +1

In this paper, a novel far-field plasmonic resonance enhanced nanoparticle-seeded Particle Image Velocimetry (nPIV) has been demonstrated to measure the velocity profile in a micro…