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LLM inference is essential for applications like text summarization, translation, and data analysis, but the high cost of GPU instances from Cloud Service Providers (CSPs) like AWS is a major burden. This paper proposes InferSave, a…

Machine Learning · Computer Science 2025-04-17 Kihyun Kim , Jinwoo Kim , Hyunsun Chung , Myung-Hoon Cha , Hong-Yeon Kim , Youngjae Kim

The Key-Value (KV) cache is integral to efficient autoregressive inference in large language models (LLMs), yet its unbounded growth in stateful multi-turn scenarios presents major challenges. This paper examines the interplay between KV…

Machine Learning · Computer Science 2025-11-10 Pratik Poudel

Inter-satellite-link-enabled low-Earth-orbit (LEO) satellite constellations are evolving toward networked architectures that support constellation-level cooperation, enabling multiple satellites to jointly serve user terminals through…

Signal Processing · Electrical Eng. & Systems 2026-05-04 Yuchen Zhang , Eva Lagunas , Xue Xian Zheng , Symeon Chatzinotas , Tareq Y. Al-Naffouri

With the skyrocketing costs of GPUs and their virtual instances in the cloud, there is a significant desire to use CPUs for large language model (LLM) inference. KV cache update, often implemented as allocation, copying, and in-place…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-11-18 Arun Ramachandran , Ramaswamy Govindarajan , Murali Annavaram , Prakash Raghavendra , Hossein Entezari Zarch , Lei Gao , Chaoyi Jiang

Satellite communication systems are a fundamental component in support of Europe's ambition to deploy smart and sustainable networks and services for the success of its digital economy. To cope with the 5G and beyond ever increasing demand…

Information Theory · Computer Science 2022-04-07 Alessandro Guidotti , Carla Amatetti , Fabrice Arnal , Baptiste Chamaillard , Alessandro Vanelli-Coralli

Low Earth Orbit (LEO) satellite networks connect millions of devices on Earth and offer various services, such as data communications, remote sensing, and data harvesting. As the number of services increases, LEO satellite networks will…

Information Theory · Computer Science 2024-08-12 Chang-Sik Choi

Large Language Models (LLMs) have achieved impressive results across various tasks, yet their high computational demands pose deployment challenges, especially on consumer-grade hardware. Mixture of Experts (MoE) models provide an efficient…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-12-19 En-Ming Huang , Li-Shang Lin , Chun-Yi Lee

The rapid development of communication technologies in the past decades has provided immense vertical opportunities for individuals and enterprises. However, conventional terrestrial cellular networks have unfortunately neglected the huge…

Signal Processing · Electrical Eng. & Systems 2021-06-22 Shicong Liu , Zhen Gao , Yongpeng Wu , Derrick Wing Kwan Ng , Xiqi Gao , Kai-Kit Wong , Symeon Chatzinotas , Bjorn Ottersten

Utilizing Low Earth Orbit (LEO) satellite networks equipped with Inter-Satellite Links (ISL) is envisioned to provide lower delay compared to traditional optical networks. However, LEO satellites have constrained energy resources as they…

Information Theory · Computer Science 2023-07-11 Kosta Dakic , Chiu Chun Chan , Bassel Al Homssi , Kandeepan Sithamparanathan , Akram Al-Hourani

Large low-Earth orbit (LEO) satellite networks are being built to provide low-latency broadband Internet access to a global subscriber base. In addition to network transmissions, researchers have proposed embedding compute resources in…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-08-15 Tobias Pfandzelter , David Bermbach

As emerging massive constellations are intended to provide seamless connectivity for remote areas using hundreds of small low Earth orbit (LEO) satellites, new methodologies have great importance to study the performance of these networks.…

Networking and Internet Architecture · Computer Science 2020-10-05 Niloofar Okati , Taneli Riihonen

Computation in-memory is a promising non-von Neumann approach aiming at completely diminishing the data transfer to and from the memory subsystem. Although a lot of architectures have been proposed, compiler support for such architectures…

Hardware Architecture · Computer Science 2020-07-02 Kanishkan Vadivel , Lorenzo Chelini , Ali BanaGozar , Gagandeep Singh , Stefano Corda , Roel Jordans , Henk Corporaal

Existing analyses of ergodic capacity in satellite mega-constellations often rely on restrictive serving time assumptions or become intractable under realistic handover strategies. This paper develops a framework for characterising the…

Information Theory · Computer Science 2026-05-14 Brendon McBain , Yi Hong , Emanuele Viterbo

To mitigate inter-satellite interference and payload limits in LEO mega-constellations, satellite clusters, groups of small cooperative satellites have been proposed to improve performance and reduce interference. The typical configuration…

Information Theory · Computer Science 2026-04-03 Juanjuan Ru , Ruibo Wang , Mohamed-Slim Alouini

Disaggregating memory from compute offers the opportunity to better utilize stranded memory in cloud data centers. It is important to cache data in the compute nodes and maintain cache coherence across multiple compute nodes. However, the…

Databases · Computer Science 2026-01-14 Ruihong Wang , Jianguo Wang , Walid G. Aref

Large Language Models (LLMs) demonstrate substantial potential across a diverse array of domains via request serving. However, as trends continue to push for expanding context sizes, the autoregressive nature of LLMs results in highly…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-07-08 Bin Lin , Chen Zhang , Tao Peng , Hanyu Zhao , Wencong Xiao , Minmin Sun , Anmin Liu , Zhipeng Zhang , Lanbo Li , Xiafei Qiu , Shen Li , Zhigang Ji , Tao Xie , Yong Li , Wei Lin

In this paper, we propose a terrestrial-satellite network (TSN) architecture to integrate the ultra-dense low earth orbit (LEO) networks and the terrestrial networks to achieve efficient data offloading. In TSN, each ground user can access…

Networking and Internet Architecture · Computer Science 2018-11-14 Boya Di , Hongliang Zhang , Lingyang Song , Yonghui Li , Geoffrey Ye Li

Large language models (LLMs) are becoming increasingly capable at small parameter scales. At the same time, conventional cloud-centric deployment introduces challenges around data privacy, latency, and cost that are acute in operational…

Hardware Architecture · Computer Science 2026-04-29 Harri Renney , Fouad Trad , Michael Mattarock , Zena Wood

Large Language Models are increasingly being deployed in datacenters. Serving these models requires careful memory management, as their memory usage includes static weights, dynamic activations, and key-value caches. While static weights…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-05-08 Jiale Xu , Rui Zhang , Yi Xiong , Cong Guo , Zihan Liu , Yangjie Zhou , Weiming Hu , Hao Wu , Changxu Shao , Ziqing Wang , Yongjie Yuan , Junping Zhao , Minyi Guo , Jingwen Leng

How to efficiently serve LLMs in practice has become exceptionally challenging due to their prohibitive memory and computation requirements. In this study, we investigate optimizing the KV cache, whose memory footprint poses a critical…

Computation and Language · Computer Science 2025-06-10 Akshat Sharma , Hangliang Ding , Jianping Li , Neel Dani , Minjia Zhang