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RDMA has been widely adopted for high-speed datacenter networks. However, native RDMA merely supports one-to-one reliable connection, which mismatches various applications with group communication patterns (e.g., one-to-many). While there…

Networking and Internet Architecture · Computer Science 2023-08-01 Wenxue Li , Junyi Zhang , Gaoxiong Zeng , Yufei Liu , Zilong Wang , Chaoliang Zeng , Pengpeng Zhou , Qiaoling Wang , Kai Chen

A novel reconfigurable intelligent surfaces (RISs)-based transmission framework is proposed for downlink non-orthogonal multiple access (NOMA) networks. We propose a quality-of-service (QoS)-based clustering scheme to improve the resource…

Signal Processing · Electrical Eng. & Systems 2021-11-05 Yixuan Zou , Yuanwei Liu , Kaifeng Han , Xiao Liu , Kok Keong Chai

This paper is concerned with a recently developed paradigm for population-based optimization, termed particle filter optimization (PFO). This paradigm is attractive in terms of coherence in theory and easiness in mathematical analysis and…

Machine Learning · Statistics 2018-11-26 Bin Liu , Yaochu Jin

In this work, a non-orthogonal multiple access (NOMA) based transmission between two sources and two end-users is examined over independent non-identically distributed (i.n.i.d.) slow Nakagami-$m$ fading channels, where a single relay using…

Signal Processing · Electrical Eng. & Systems 2021-03-24 Efendi Fidan , Eray Güven , Mehmet Akif Durmaz , Güneş Karabulut Kurt , Oğuz Kucur

Data-intensive applications in data centers, especially machine learning (ML), have made the network a bottleneck, which in turn has motivated the development of more efficient network protocols and infrastructure. For instance, remote…

Hardware Architecture · Computer Science 2025-07-29 Maximilian Jakob Heer , Benjamin Ramhorst , Yu Zhu , Luhao Liu , Zhiyi Hu , Jonas Dann , Gustavo Alonso

Recent advancements in Transformer-based large language models (LLMs) have set new standards in natural language processing. However, the classical softmax attention incurs significant computational costs, leading to a $O(T)$ complexity for…

Computation and Language · Computer Science 2025-05-20 Zhihao He , Hang Yu , Zi Gong , Shizhan Liu , Jianguo Li , Weiyao Lin

The Large Language Model (LLM) has gained significant popularity and is extensively utilized across various domains. Most LLM deployments occur within cloud data centers, where they encounter substantial response delays and incur high…

Artificial Intelligence · Computer Science 2024-06-21 Zhi Yao , Zhiqing Tang , Jiong Lou , Ping Shen , Weijia Jia

The rapid adoption of large language models (LLMs) is pushing AI accelerators toward increasingly powerful and specialized designs. Instead of further complicating software development with deeply hierarchical scratchpad memories (SPMs) and…

Hardware Architecture · Computer Science 2025-12-09 Zhongchun Zhou , Chengtao Lai , Yuhang Gu , Wei Zhang

The surge of artificial intelligence, particularly large language models, has driven the rapid development of large-scale machine learning clusters. Executing distributed models on these clusters is often constrained by communication…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-04-15 William Won , Midhilesh Elavazhagan , Sudarshan Srinivasan , Swati Gupta , Tushar Krishna

We present a federated, asynchronous, memory-limited algorithm for online task scheduling across large-scale networks of hundreds of workers. This is achieved through recent advancements in federated edge computing that unlocks the ability…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-04-29 Andreas Grammenos , Evangelia Kalyvianaki , Peter Pietzuch

Despite significant progress, Vision-Language Models (VLMs) still struggle with complex visual reasoning, where multi-step dependencies cause early errors to cascade through the reasoning chain. Existing post-training paradigms are limited:…

Computer Vision and Pattern Recognition · Computer Science 2025-11-14 Yanbei Jiang , Chao Lei , Yihao Ding , Krista Ehinger , Jey Han Lau

The proliferation of collaborative robots across diverse tasks and embodiments presents a central challenge: achieving lifelong adaptability, scalable coordination, and robust scheduling in multi-agent systems. Existing approaches, from…

Direct Preference Optimization (DPO) has emerged as a cornerstone of reinforcement learning from human feedback (RLHF) due to its simplicity and efficiency. However, existing DPO-based methods typically treat all preference pairs equally,…

Machine Learning · Computer Science 2026-05-26 Shangpin Peng , Weinong Wang , Zhuotao Tian , Senqiao Yang , Xing Wu , Haotian Xu , Chengquan Zhang , Takashi Isobe , Baotian Hu , Min Zhang

An internet network service provider manages its network with multiple objectives, such as high quality of service (QoS) and minimum computing resource usage. To achieve these objectives, a reinforcement learning-based (RL) algorithm has…

Networking and Internet Architecture · Computer Science 2025-06-17 DongNyeong Heo , Daniela Noemi Rim , Heeyoul Choi

Recent large pretrained models such as LLMs (e.g., GPT series) and VLAs (e.g., OpenVLA) have achieved notable progress on multimodal tasks, yet they are built upon a multi-input single-output (MISO) paradigm. We show that this paradigm…

Artificial Intelligence · Computer Science 2025-08-26 Zuojin Tang , Bin Hu , Chenyang Zhao , De Ma , Gang Pan , Bin Liu

We study resilient leader-follower consensus of multi-agent systems (MASs) in the presence of adversarial agents, where agents' communication is modeled by time-varying topologies. The objective is to develop distributed algorithms for the…

Multiagent Systems · Computer Science 2024-11-18 Liwei Yuan , Hideaki Ishii

RDMA is an exciting technology that enables a host to access the memory of a remote host without involving the remote CPU. Prior work shows how to use RDMA to improve the performance of distributed in-memory storage systems. However, RDMA…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-02-08 Stanko Novakovic , Yizhou Shan , Aasheesh Kolli , Michael Cui , Yiying Zhang , Haggai Eran , Liran Liss , Michael Wei , Dan Tsafrir , Marcos Aguilera

In this paper, we consider a bidirectional relay network with half-duplex nodes and block fading where the nodes transmit with a fixed transmission rate. Thereby, user 1 and user 2 exchange information only via a relay node, i.e., a direct…

Information Theory · Computer Science 2016-11-15 Vahid Jamali , Nikola Zlatanov , Robert Schober

Serverless computing promises enhanced resource efficiency and lower user costs, yet is burdened by a heavyweight, CPU-bound data plane. Prior efforts exploiting shared memory reduce overhead locally but fall short when scaling across…

Networking and Internet Architecture · Computer Science 2025-05-19 Shixiong Qi , Songyu Zhang , K. K. Ramakrishnan , Diman Z. Tootaghaj , Hardik Soni , Puneet Sharma

This paper provides proofs of the rate stability, Harris recurrence, and epsilon-optimality of CSMA algorithms where the backoff parameter of each node is based on its backlog. These algorithms require only local information and are easy to…

Information Theory · Computer Science 2009-07-08 Libin Jiang , Devavrat Shah , Jinwoo Shin , Jean Walrand
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