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Similarity-based vector search underpins many important applications, but a key challenge is processing massive vector datasets (e.g., in TBs). To reduce costs, some systems utilize SSDs as the primary data storage. They employ a proximity…

Databases · Computer Science 2025-08-22 Peiqi Yin , Xiao Yan , Qihui Zhou , Hui Li , Xiaolu Li , Lin Zhang , Meiling Wang , Xin Yao , James Cheng

Reservoir computing is a machine learning paradigm that uses a high-dimensional dynamical system, or \emph{reservoir}, to approximate and predict time series data. The scale, speed and power usage of reservoir computers could be enhanced by…

Neural and Evolutionary Computing · Computer Science 2022-11-16 Forrest C. Sheldon , Artemy Kolchinsky , Francesco Caravelli

An indoor, real-time location system (RTLS) can benefit both hospitals and patients by improving clinical efficiency through data-driven optimization of procedures. Bluetooth-based RTLS systems are cost-effective but lack accuracy and…

Signal Processing · Electrical Eng. & Systems 2020-09-09 Guanglin Tang , Yulong Yan , Chenyang Shen , Xun Jia , Meyer Zinn , Zipalkumar Trivedi , Alicia Yingling , Kenneth Westover , Steve Jiang

Solid-state storage architectures based on NAND or emerging memory devices (SSD), are fundamentally architected and optimized for both reliability and performance. Achieving these simultaneous goals requires co-design of memory components…

Hardware Architecture · Computer Science 2026-03-20 Jay Sarkar , Vamsi Pavan Rayaprolu , Abhijeet Bhalerao

PIM architectures aim to reduce data transfer costs between processors and memory by integrating processing units within memory layers. Prior PIM architectures have shown potential to improve energy efficiency and performance. However, such…

Hardware Architecture · Computer Science 2025-10-10 Parker Hao Tian , Zahra Yousefijamarani , Alaa Alameldeen

With the rapid development of big data and cloud computing, data management has become increasingly challenging. Over the years, a number of frameworks for data management and storage with various characteristics and features have become…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-01-16 Tianru Zhang , Salman Toor , Andreas Hellander

The performance of main memory column stores highly depends on the scan and lookup operations on the base column layouts. Existing column-stores adopt a homogeneous column layout, leading to sub-optimal performance on real workloads since…

Databases · Computer Science 2022-09-02 Pengfei Zhang , Ziqiang Feng , Eric Lo , Hailin Qin

Understanding the performance profiles of storage devices and how best to utilize them has always been non-trivial due to factors such as seek times, caching, scheduling, concurrent access, flash wear-out, and garbage collection. However,…

Data Structures and Algorithms · Computer Science 2025-07-10 Erin Ransom , Andrew Lim , Michael Mitzenmacher

Memristive in-memory sorting has been proposed recently to improve hardware sorting efficiency. Using iterative in-memory min computations, data movements between memory and external processing units can be eliminated for improved latency…

Hardware Architecture · Computer Science 2022-02-22 Lianfeng Yu , Zhaokun Jing , Yuchao Yang , Yaoyu Tao

As rapidly growing AI computational demands accelerate the need for new hardware installation and maintenance, this work explores optimal data center resource management by balancing operational efficiency with fault tolerance through…

Artificial Intelligence · Computer Science 2025-04-02 Chang-Lin Chen , Jiayu Chen , Tian Lan , Zhaoxia Zhao , Hongbo Dong , Vaneet Aggarwal

Finding similar data in high-dimensional spaces is one of the important tasks in multimedia applications. Approaches introduced to find exact searching techniques often use tree-based index structures which are known to suffer from the…

Databases · Computer Science 2022-11-17 Omid Jafari , Parth Nagarkar

At the heart of contemporary recommender systems (RSs) are latent factor models that provide quality recommendation experience to users. These models use embedding vectors, which are typically of a uniform and fixed size, to represent users…

Information Retrieval · Computer Science 2026-02-05 Yunke Qu , Tong Chen , Quoc Viet Hung Nguyen , Hongzhi Yin

Stacking increases storage efficiency in shelves, but the lack of visibility and accessibility makes the mechanical search problem of revealing and extracting target objects difficult for robots. In this paper, we extend the lateral-access…

Many applications require update-intensive workloads on spatial objects, e.g., social-network services and shared-riding services that track moving objects. By buffering insert and delete operations in memory, the Log Structured Merge Tree…

Data Structures and Algorithms · Computer Science 2023-05-03 Jaewoo Shin , Jianguo Wang , Walid G. Aref

This paper investigates sequencing policies for file reading requests in linear storage devices, such as magnetic tapes. Tapes are the technology of choice for long-term storage in data centers due to their low cost and reliability.…

Data Structures and Algorithms · Computer Science 2022-05-11 Carlos H. Cardonha , Andre A. Cire , Lucas C. Villa Real

Storage systems using Peer-to-Peer (P2P) architecture are an alternative to the traditional client-server systems. They offer better scalability and fault tolerance while at the same time eliminate the single point of failure. The nature of…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-04-19 Fitrio Pakana , Nasrin Sohrabi , Chenhao Xu , Zahir Tari , Hai Dong

The power system needs more transmission capacity to deal with the increasing integration of renewable energy resources. The battery energy storage systems (BESSs) are effective to enhance the grid capacity and relieve the transmission…

Systems and Control · Electrical Eng. & Systems 2021-10-18 Zhongyang Zhao , Caisheng Wang , Masoud H. Nazari

Hybrid storage systems (HSS) use multiple different storage devices to provide high and scalable storage capacity at high performance. Recent research proposes various techniques that aim to accurately identify performance-critical data to…

Open Modification Search (OMS) is a promising algorithm for mass spectrometry analysis that enables the discovery of modified peptides. However, OMS encounters challenges as it exponentially extends the search scope. Existing OMS…

Hardware Architecture · Computer Science 2024-11-15 Keming Fan , Wei-Chen Chen , Sumukh Pinge , H. -S. Philip Wong , Tajana Rosing

Large language models (LLMs) achieve strong performance across a wide range of tasks, but remain frozen after pretraining until subsequent updates. Many real-world applications require timely, domain-specific information, motivating the…