activity
20212026
most citedNeoMem: Hardware/Software Co-Design for CXL-Native Memory Tiering

2 citations · 3 across the 7 of their papers we have counts for

collaborators

8 papers

cs.DC2026

RoofLang: Enabling AI-Driven Architecting of LLM Inference Systems

Ziyue Yang, Yuting Jiang, Lei Qu +1

AI is beginning to make substantive contributions to LLM inference optimization. Existing AI optimizations are predominantly profiling-based. Profiling-bound feedback confines the…

cs.CL2025

Sigma-MoE-Tiny Technical Report

Qingguo Hu, Zhenghao Lin, Ziyue Yang +12

Mixture-of-Experts (MoE) has emerged as a promising paradigm for foundation models due to its efficient and powerful scalability. In this work, we present Sigma-MoE-Tiny, an MoE la…

cs.DC2025

SIGMA: An AI-Empowered Training Stack on Early-Life Hardware

Lei Qu, Lianhai Ren, Peng Cheng +12

An increasing variety of AI accelerators is being considered for large-scale training. However, enabling large-scale training on early-life AI accelerators faces three core challen…

cs.DC2025

FengHuang: Next-Generation Memory Orchestration for AI Inferencing

Jiamin Li, Lei Qu, Tao Zhang +4

This document presents a vision for a novel AI infrastructure design that has been initially validated through inference simulations on state-of-the-art large language models. Adva…

cs.CL2025

Sigma: Differential Rescaling of Query, Key and Value for Efficient Language Models

Zhenghao Lin, Zihao Tang, Xiao Liu +31

We introduce Sigma, an efficient large language model specialized for the system domain, empowered by a novel architecture including DiffQKV attention, and pre-trained on our metic…

cs.AR2024★ 2 cited

NeoMem: Hardware/Software Co-Design for CXL-Native Memory Tiering

Zhe Zhou, Yiqi Chen, Tao Zhang +8

The Compute Express Link (CXL) interconnect makes it feasible to integrate diverse types of memory into servers via its byte-addressable SerDes links. Considering the various acces…

cs.DC2024

SuperBench: Improving Cloud AI Infrastructure Reliability with Proactive Validation

Yifan Xiong, Yuting Jiang, Ziyue Yang +17

Reliability in cloud AI infrastructure is crucial for cloud service providers, prompting the widespread use of hardware redundancies. However, these redundancies can inadvertently…

cs.DC2021★ 1 cited

CrossoverScheduler: Overlapping Multiple Distributed Training Applications in a Crossover Manner

Cheng Luo, Lei Qu, Youshan Miao +2

Distributed deep learning workloads include throughput-intensive training tasks on the GPU clusters, where the Distributed Stochastic Gradient Descent (SGD) incurs significant comm…