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Related papers: Age-Memory Trade-off in Read-Copy-Update

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We consider a gossip network consisting of a source generating updates and $n$ nodes connected according to a given graph structure. The source keeps updates of a process, that might be generated or observed, and shares them with the…

Information Theory · Computer Science 2024-05-30 Arunabh Srivastava , Sennur Ulukus

In Software Defined Networks, where the network control plane can be programmed by updating switch rules, consistently updating switches is a challenging problem. In a per-packet consistent update (PPC), a packet either matches the new…

Networking and Internet Architecture · Computer Science 2016-09-02 Radhika Sukapuram , Gautam Barua

Large language models (LLMs) encode vast amounts of pre-trained knowledge in their parameters, but updating them as real-world information evolves remains a challenge. Existing methodologies and benchmarks primarily target entity…

Computation and Language · Computer Science 2025-04-18 Aochong Oliver Li , Tanya Goyal

In this work, we study how to optimally manage the freshness of information updates sent from a source node to a destination via a channel. A proper metric for data freshness at the destination is the age-of-information, or simply age,…

Information Theory · Computer Science 2017-04-24 Yin Sun , Elif Uysal-Biyikoglu , Roy D. Yates , C. Emre Koksal , Ness B. Shroff

Federated learning is a distributed machine learning framework to collaboratively train a global model without uploading privacy-sensitive data onto a centralized server. Usually, this framework is applied to edge devices such as…

Machine Learning · Computer Science 2025-04-15 Ming-Lun Lee , Han-Chang Chou , Yan-Ann Chen

This work studies the average age of information (AoI) of a monitoring system in which two sensors are sensing the same physical process and update status to a common monitor using their dedicated channels. Generally, using redundant…

Networking and Internet Architecture · Computer Science 2022-06-14 Tianqing Yang , Zhengchuan Chen , Howard H. Yang , Min Wang , Yunjian Jia , Tony Q. S. Quek

Data replication is crucial in modern distributed systems as a means to provide high availability. Many techniques have been proposed to utilize replicas to improve a system's performance, often requiring expensive coordination or…

Databases · Computer Science 2019-03-04 Yi Lu , Xiangyao Yu , Samuel Madden

Mobile edge caching can effectively reduce service delay but may introduce information staleness, calling for timely content refreshing. However, content refreshing consumes additional transmission resources and may degrade the delay…

Networking and Internet Architecture · Computer Science 2020-02-17 Shan Zhang , Liudi Wang , Hongbin Luo , Xiao Ma , Sheng Zhou

A queueing system handling a sequence of message arrivals is considered where each message obsoletes all previous messages. The objective is to assess the freshness of the latest message/information that has been successfully transmitted,…

Performance · Computer Science 2018-10-12 George Kesidis , Takis Konstantopoulos , Michael Zazanis

We investigate the problem of private read update write (PRUW) in relation to federated submodel learning (FSL) with storage constrained databases. In PRUW, a user privately reads a submodel from a system of $N$ databases containing $M$…

Information Theory · Computer Science 2022-02-08 Sajani Vithana , Sennur Ulukus

We present a multi-word atomic (1,N) register for multi-core machines exploiting Read-Modify-Write (RMW) instructions to coordinate the writer and the readers in a wait-free manner. Our proposal, called Anonymous Readers Counting (ARC),…

Distributed, Parallel, and Cluster Computing · Computer Science 2017-07-25 Mauro Ianni , Alessandro Pellegrini , Francesco Quaglia

AI systems that model and interact with users can update their models over time to reflect new information and changes in the environment. Although these updates may improve the overall performance of the AI system, they may actually hurt…

Machine Learning · Computer Science 2020-08-20 Jonathan Martinez , Kobi Gal , Ece Kamar , Levi H. S. Lelis

Memory-augmented neural networks consisting of a neural controller and an external memory have shown potentials in long-term sequential learning. Current RAM-like memory models maintain memory accessing every timesteps, thus they do not…

Machine Learning · Computer Science 2019-03-21 Hung Le , Truyen Tran , Svetha Venkatesh

The last decade has witnessed an unprecedented growth in the demand for data-driven real-time services. These services are fueled by emerging applications that require rapidly injecting data streams and computing updated analytics results…

Performance · Computer Science 2019-03-05 Zhongdong Liu , Bo Ji

The achievable acquisition rates of modern triggered nuclear physics experiments are heavily dependent on the readout software, in addition to the limits given by the utilized hardware. This paper presents an asynchronous readout scheme…

Instrumentation and Detectors · Physics 2019-02-19 M. Munch , J. H. Jensen , B. Löher , H. Törnqvist , H. T. Johansson

The explosion of the amount of data stored in cloud systems calls for more efficient paradigms for redundancy. While replication is widely used to ensure data availability, erasure correcting codes provide a much better trade-off between…

Distributed, Parallel, and Cluster Computing · Computer Science 2017-03-16 Steve Jiekak , Anne-Marie Kermarrec , Nicolas Le Scouarnec , Gilles Straub , Alexandre Van Kempen

We study the trade-off between Age of Information (AoI) and maximal leakage (MaxL) in discrete-time status updating systems. A source generates time-stamped update packets that are processed by a server that delivers them to a monitor. An…

Systems and Control · Electrical Eng. & Systems 2025-12-16 Nitya Sathyavageeswaran , Anand D. Sarwate , Narayan B. Mandayam , Roy D. Yates

Concurrent linearizable access to shared objects can be prohibitively expensive in a high contention workload. Many applications apply ad-hoc techniques to eliminate the need of synchronous atomic updates, which may result in…

Distributed, Parallel, and Cluster Computing · Computer Science 2017-05-11 Deepthi Devaki Akkoorath , José Brandão , Annette Bieniusa , Carlos Baquero

The emergence of Phase-Change Memory (PCM) provides opportunities for directly connecting persistent memory to main memory bus. While PCM achieves high read throughput and low standby power, the critical concerns are its poor write…

Hardware Architecture · Computer Science 2020-07-28 Yinjin Fu

We consider a system consisting of a server, which receives updates for $N$ files according to independent Poisson processes. The goal of the server is to deliver the latest version of the files to the user through a parallel network of $K$…

Information Theory · Computer Science 2021-05-12 Priyanka Kaswan , Melih Bastopcu , Sennur Ulukus
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