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We consider the fundamental problem of managing a bounded size queue buffer where traffic consists of packets of varying size, where each packet requires several rounds of processing before it can be transmitted from the queue buffer. The…

Networking and Internet Architecture · Computer Science 2013-09-06 Kirill Kogan , Alejandro Lopez-Ortiz , Sergey I. Nikolenko , Gabriel Scalosub , Michael Segal

Approximate memory is a technique to mitigate the performance gap between memory subsystems and CPUs with its reduced access latency at a cost of data integrity. To gain benefit from approximate memory for realistic applications, it is…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-04-06 Soramichi Akiyama

Cause-effect chains, as a widely used modeling method in real-time embedded systems, are extensively applied in various safety-critical domains. End-to-end latency, as a key real-time attribute of cause-effect chains, is crucial in many…

Systems and Control · Electrical Eng. & Systems 2026-01-29 Yixuan Zhu , Yinkang Gao , Bo Zhang , Xiaohang Gong , Binze Jiang , Lei Gong , Wenqi Lou , Teng Wang , Chao Wang , Xi Li , Xuehai Zhou

For a realistic traffic mix, we evaluate the hit rates attained in a two-layer cache hierarchy designed to reduce Internet bandwidth requirements. The model identifies four main types of content, web, file sharing, user generated content…

Networking and Internet Architecture · Computer Science 2012-02-02 Christine Fricker , Philippe Robert , James Roberts , Nada Sbihi

Iterative methods are commonly used approaches to solve large, sparse linear systems, which are fundamental operations for many modern scientific simulations. When the large-scale iterative methods are running with a large number of ranks…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-05-30 Dingwen Tao , Sheng Di , Xin Liang , Zizhong Chen , Franck Cappello

Caches have become the prime method for unintended information extraction across logical isolation boundaries. Even Spectre and Meltdown rely on the cache side channel, as it provides great resolution and is widely available on all major…

Cryptography and Security · Computer Science 2019-04-15 Samira Briongos , Pedro Malagón , José M. Moya , Thomas Eisenbarth

Multi-core processors improve performance, but they can create unpredictability owing to shared resources such as caches interfering. Cache partitioning is used to alleviate the Worst-Case Execution Time (WCET) estimation by isolating the…

Hardware Architecture · Computer Science 2022-01-28 Soma N. Ghosh , Vineet Sahula , Lava Bhargava

We study the throughput and delay characteristics of wireless caching networks, where users are mainly interested in retrieving content stored in the network, rather than in maintaining source-destination communication. Nodes are assumed to…

Networking and Internet Architecture · Computer Science 2017-04-25 Milad Mahdian , Edmund Yeh

Meeting performance and scalability requirements while delivering services is a critical issue in web applications. Recently, latency and cost of Internet-based services are encouraging the use of application-level caching to continue…

Software Engineering · Computer Science 2020-11-03 Jhonny Mertz , Ingrid Nunes

In this work, we propose MUSTACHE, a new page cache replacement algorithm whose logic is learned from observed memory access requests rather than fixed like existing policies. We formulate the page request prediction problem as a…

Operating Systems · Computer Science 2022-11-07 Gabriele Tolomei , Lorenzo Takanen , Fabio Pinelli

We consider a cache updating system with a source, a cache with limited storage capacity and a user. There are $n$ files. The source keeps the freshest versions of the files which are updated with known rates. The cache gets fresh files…

Information Theory · Computer Science 2020-10-02 Melih Bastopcu , Sennur Ulukus

In-network caching is a central aspect of Information-Centric Networking (ICN). It enables the rapid distribution of content across the network, alleviating strain on content producers and reducing content delivery latencies. ICN has…

Networking and Internet Architecture · Computer Science 2019-05-06 Jakob Pfender , Alvin Valera , Winston K. G. Seah

Coded caching is a recently proposed technique that achieves significant performance gains for cache networks compared to uncoded caching schemes. However, this substantial coding gain is attained at the cost of large delivery delay, which…

Information Theory · Computer Science 2016-11-15 Urs Niesen , Mohammad Ali Maddah-Ali

The aim of this paper is a theoretical study of a cache system in order to optimize proxy cache systems and to modernize construction principles including prefetching schemes. Two types of correlations, Zipf-like distribution and…

Networking and Internet Architecture · Computer Science 2007-05-23 Dmitry Dolgikh , Andrei Sukhov

Caching has recently attracted a lot of attention in the wireless communications community, as a means to cope with the increasing number of users consuming web content from mobile devices. Caching offers an opportunity for a win-win…

Networking and Internet Architecture · Computer Science 2019-05-14 Theodoros Giannakas , Thrasyvoulos Spyropoulos , Pavlos Sermpezis

A new form of caching, namely application-level caching, has been recently employed in web applications to improve their performance and increase scalability. It consists of the insertion of caching logic into the application base code to…

Software Engineering · Computer Science 2020-11-03 Jhonny Mertz , Ingrid Nunes

Major chip manufacturers have all introduced multicore microprocessors. Multi-socket systems built from these processors are used for running various server applications. Depending on the application, remote cache-to-cache transfers can…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-09-23 Suryanarayana Murthy Durbhakula

Caching is a crucial component of many computer systems, so naturally it is a well-studied topic in algorithm design. Much of traditional caching research studies cache management for a single-user or single-processor environment. In this…

Data Structures and Algorithms · Computer Science 2022-07-14 Sharat Ibrahimpur , Manish Purohit , Zoya Svitkina , Erik Vee , Joshua Wang

Caches in Content-Centric Networks (CCN) are increasingly adopting flash memory based storage. The current flash cache technology stores all files with the largest possible expiry date, i.e. the files are written in the memory so that they…

Networking and Internet Architecture · Computer Science 2016-06-24 Samta Shukla , Alhussein A. Abouzeid

Coded caching schemes are used to reduce computer network traffics in peak time. To determine the efficiency of the schemes, \cite{MN} defined the information rate of the schemes and gave a construction of optimal coded caching schemes.…

Information Theory · Computer Science 2024-03-08 Ruizhong Wei