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Multi-agent systems increasingly orchestrate multiple specialized language models to solve complex real-world problems, often invoking them over a shared context. This execution pattern repeatedly processes the same prompt prefix across…

Recent Mixture-of-Experts (MoE)-based large language models (LLMs) such as Qwen-MoE and DeepSeek-MoE are transforming generative AI in natural language processing. However, these models require vast and diverse training data. Federated…

Machine Learning · Computer Science 2026-02-17 Songyuan Li , Jia Hu , Ahmed M. Abdelmoniem , Geyong Min , Haojun Huang , Jiwei Huang

Persistent key-value (KV) stores mostly build on the Log-Structured Merge (LSM) tree for high write performance, yet the LSM-tree suffers from the inherently high I/O amplification. KV separation mitigates I/O amplification by storing only…

Databases · Computer Science 2019-06-18 Yongkun Li , Helen H. W. Chan , Patrick P. C. Lee , Yinlong Xu

LLMs are widely adopted in production, pushing inference systems to their limits. Disaggregated LLM serving (e.g., PD separation and KV state disaggregation) improves scalability and cost efficiency, but it also turns KV into an explicit…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-05-14 Zedong Liu , Xinyang Ma , Dejun Luo , Hairui Zhao , Bing Lu , Wenjing Huang , Yida Gu , Xingchen Liu , Zheng Wei , Jinyang Liu , Dingwen Tao , Guangming Tan

In this paper, we introduce DistDD, a novel approach within the federated learning framework that reduces the need for repetitive communication by distilling data directly on clients' devices. Unlike traditional federated learning that…

Machine Learning · Computer Science 2024-10-14 Peiran Wang , Haohan Wang

Memory disaggregation (MD) allows for scalable and elastic data center design by separating compute (CPU) from memory. With MD, compute and memory are no longer coupled into the same server box. Instead, they are connected to each other via…

Databases · Computer Science 2022-07-08 Ruihong Wang , Jianguo Wang , Stratos Idreos , M. Tamer Özsu , Walid G. Aref

In this work, we propose FUSE, a novel GPU cache system that integrates spin-transfer torque magnetic random-access memory (STT-MRAM) into the on-chip L1D cache. FUSE can minimize the number of outgoing memory accesses over the…

Hardware Architecture · Computer Science 2019-03-12 Jie Zhang , Myoungsoo Jung , Mahmut Taylan Kandemir

Federated learning (FL) is a popular distributed machine learning (ML) paradigm, but is often limited by significant communication costs and edge device computation capabilities. Federated Split Learning (FSL) preserves the parallel model…

Information Theory · Computer Science 2023-02-14 Yujia Mu , Cong Shen

Federated learning (FL) enables collaborative model training across distributed devices while preserving data privacy, but deployment on resource-constrained edge nodes remains challenging due to limited memory, energy, and communication…

Machine Learning · Computer Science 2026-03-25 Irene Tenison , Anna Murphy , Charles Beauville , Lalana Kagal

This extended report presents DDS, a novel disaggregated storage architecture enabled by emerging networking hardware, namely DPUs (Data Processing Units). DPUs can optimize the latency and CPU consumption of disaggregated storage servers.…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-08-29 Qizhen Zhang , Philip Bernstein , Badrish Chandramouli , Jiasheng Hu , Yiming Zheng

Federated learning has wide applications in the medical field. It enables knowledge sharing among different healthcare institutes while protecting patients' privacy. However, existing federated learning systems are typically centralized,…

Machine Learning · Computer Science 2025-05-20 Luyuan Xie , Tianyu Luan , Wenyuan Cai , Guochen Yan , Zhaoyu Chen , Nan Xi , Yuejian Fang , Qingni Shen , Zhonghai Wu , Junsong Yuan

As large-scale language models continue to scale up in both size and context length, the memory and communication cost of key-value (KV) cache storage has become a major bottleneck in multi-GPU and multi-node inference. While MoE-based…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-05-20 Dong Liu , Yanxuan Yu , Ben Lengerich , Ying Nian Wu

Disaggregated storage systems improve resource utilization and enable independent scaling of storage and compute resources by separating storage resources from computing resources in data centers. NVMe over fabrics (NVMeoF) is a key…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-04-16 Sungho Moon , Daegyu Han , Hera Koo , Sangeun Chae , Duck-Ho Bae , Euiseong Seo , Beomseok Nam

Federated Learning (FL) has emerged as a promising paradigm for privacy-preserving distributed learning. However, existing FL methods face a fundamental challenge. Traditional averaging-based approaches suffer from parameter divergence…

Machine Learning · Computer Science 2026-05-21 Penglin Dai , Fulian Li , Xincao Xu , Junhua Wang , Lixin Duan , Xiao Wu

Large Language Models (LLMs) have become the new foundation for many applications, reshaping human society like a storm. Disaggregated inference, which separates prefill and decode stages, is a promising approach to improving hardware…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-01-28 Shiyang Chen , Rain Jiang , Dezhi Yu , Jinlai Xu , Mengyuan Chao , Fanlong Meng , Chenyu Jiang , Wei Xu , Hang Liu

Fault-tolerant distributed applications require mechanisms to recover data lost via a process failure. On modern cluster systems it is typically impractical to request replacement resources after such a failure. Therefore, applications have…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-01-26 Lukas Hübner , Demian Hespe , Peter Sanders , Alexandros Stamatakis

Modern applications demand high performance and cost efficient database management systems (DBMSs). Their workloads may be diverse, ranging from online transaction processing to analytics and decision support. The cloud infrastructure…

A conventional data center that consists of monolithic-servers is confronted with limitations including lack of operational flexibility, low resource utilization, low maintainability, etc. Resource disaggregation is a promising solution to…

Operating Systems · Computer Science 2020-10-27 Ryousei Takano , Kuniyasu Suzaki

The adoption of very low latency persistent memory modules (PMMs) upends the long-established model of disaggregated file system access. Instead, by colocating computation and PMM storage, we can provide applications much higher I/O…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-06-03 Thomas E. Anderson , Marco Canini , Jongyul Kim , Dejan Kostić , Youngjin Kwon , Simon Peter , Waleed Reda , Henry N. Schuh , Emmett Witchel

We consider the federated submodel learning (FSL) problem in a distributed storage system. In the FSL framework, the full learning model at the server side is divided into multiple submodels such that each selected client needs to download…

Information Theory · Computer Science 2023-06-09 Zhusheng Wang , Sennur Ulukus