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Artificial neural networks have become ubiquitous in modern life, which has triggered the emergence of a new class of application specific integrated circuits for their acceleration. ReRAM-based accelerators have gained significant traction…

Signal Processing · Electrical Eng. & Systems 2019-08-14 Jason K. Eshraghian , Sung-Mo Kang , Seungbum Baek , Garrick Orchard , Herbert Ho-Ching Iu , Wen Lei

This paper proposes a simple adaptive sensing and group testing algorithm for sparse signal recovery. The algorithm, termed Compressive Adaptive Sense and Search (CASS), is shown to be near-optimal in that it succeeds at the lowest possible…

Information Theory · Computer Science 2014-04-30 Matthew L. Malloy , Robert D. Nowak

In robotics, data acquisition often plays a key part in unknown environment exploration. For example, storing information about the topography of the explored terrain or the natural dangers in the environment can inform the decision-making…

Robotics · Computer Science 2022-01-06 Samuel Arseneault , David Vielfaure , Giovanni Beltrame

In a cloud-native era, the Kubernetes-based workflow engine enables workflow containerized execution through the inherent abilities of Kubernetes. However, when encountering continuous workflow requests and unexpected resource request…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-01-04 Chenggang Shan , Chuge Wu , Yuanqing Xia , Zehua Guo , Danyang Liu , Jinhui Zhang

Retrieval-Augmented Generation (RAG) expands the knowledge boundary of large language models (LLMs) at inference by retrieving external documents as context. However, retrieval becomes increasingly time-consuming as the knowledge databases…

Information Retrieval · Computer Science 2026-04-23 Peng Peng , Weiwei Lin , Wentai Wu , Xinyang Wang , Yongheng Liu

This paper is intended to be a brief and accessible introduction to the range variant of asymmetric numeral systems (ANS), a system for lossless compression of sequences which can be used as a drop in replacement for arithmetic coding (AC).…

Information Theory · Computer Science 2020-10-08 James Townsend

Time series play a crucial role in many fields, including finance, healthcare, industry, and environmental monitoring. The storage and retrieval of time series can be challenging due to their unstoppable growth. In fact, these applications…

Machine Learning · Computer Science 2024-12-24 Andrea Guerra , Giorgio Vinciguerra , Antonio Boffa , Paolo Ferragina

Anomaly detection plays a vital role in the inspection of industrial images. Most existing methods require separate models for each category, resulting in multiplied deployment costs. This highlights the challenge of developing a unified…

Computer Vision and Pattern Recognition · Computer Science 2025-05-26 Qiyu Chen , Huiyuan Luo , Haiming Yao , Wei Luo , Zhen Qu , Chengkan Lv , Zhengtao Zhang

Neural Architecture Search (NAS) is a laborious process. Prior work on automated NAS targets mainly on improving accuracy, but lacks consideration of computational resource use. We propose the Resource-Efficient Neural Architect (RENA), an…

Neural and Evolutionary Computing · Computer Science 2018-06-22 Yanqi Zhou , Siavash Ebrahimi , Sercan Ö. Arık , Haonan Yu , Hairong Liu , Greg Diamos

Primary motivation for this work was the need to implement hardware accelerators for a newly proposed ANN structure called Auto Resonance Network (ARN) for robotic motion planning. ARN is an approximating feed-forward hierarchical and…

Neural and Evolutionary Computing · Computer Science 2024-02-02 Shilpa Mayannavar , Uday Wali

As AI-based applications become pervasive, CPU vendors are starting to incorporate matrix engines within the datapath to boost efficiency. Systolic arrays have been the premier architectural choice as matrix engines in offload accelerators.…

Hardware Architecture · Computer Science 2021-10-06 Geonhwa Jeong , Eric Qin , Ananda Samajdar , Christopher J. Hughes , Sreenivas Subramoney , Hyesoon Kim , Tushar Krishna

Large Language Models (LLMs) face an inherent challenge: their knowledge is confined to the data that they have been trained on. To overcome this issue, Retrieval-Augmented Generation (RAG) complements the static training-derived knowledge…

Achieving high accuracy, while maintaining good energy efficiency, in analog DNN accelerators is challenging as high-precision data converters are expensive. In this paper, we overcome this challenge by using the residue number system (RNS)…

Hardware Architecture · Computer Science 2023-06-19 Cansu Demirkiran , Rashmi Agrawal , Vijay Janapa Reddi , Darius Bunandar , Ajay Joshi

Automatic speech recognition (ASR) in the cloud allows the use of larger models and more powerful multi-channel signal processing front-ends compared to on-device processing. However, it also adds an inherent latency due to the transmission…

Audio and Speech Processing · Electrical Eng. & Systems 2021-06-16 Lukas Drude , Jahn Heymann , Andreas Schwarz , Jean-Marc Valin

Kernel density estimation is a simple and effective method that lies at the heart of many important machine learning applications. Unfortunately, kernel methods scale poorly for large, high dimensional datasets. Approximate kernel density…

Data Structures and Algorithms · Computer Science 2019-12-06 Benjamin Coleman , Anshumali Shrivastava

We are interested in parallelizing the Least Angle Regression (LARS) algorithm for fitting linear regression models to high-dimensional data. We consider two parallel and communication avoiding versions of the basic LARS algorithm. The two…

Machine Learning · Computer Science 2020-09-15 S. Das , J. Demmel , K. Fountoulakis , L. Grigori , M. W. Mahoney , S. Yang

We present DASPack, a high-performance, open-source compression tool specifically designed for distributed acoustic sensing (DAS) data. As DAS becomes a key technology for real-time, high-density, and long-range monitoring in fields such as…

Tensor parallelism is an essential technique for distributed training of large neural networks. However, automatically determining an optimal tensor parallel strategy is challenging due to the gigantic search space, which grows…

Machine Learning · Computer Science 2025-08-06 Ziji Shi , Le Jiang , Ang Wang , Jie Zhang , Chencan Wu , Yong Li , Xiaokui Xiao , Wei Lin , Jialin Li

Approximate Nearest Neighbor Search (ANNS) is essential for various data-intensive applications, including recommendation systems, image retrieval, and machine learning. Scaling ANNS to handle billions of high-dimensional vectors on a…

Databases · Computer Science 2025-06-18 Qian Xu , Feng Zhang , Chengxi Li , Lei Cao , Zheng Chen , Jidong Zhai , Xiaoyong Du

In computation-intensive domains such as digital signal processing, encryption, and neural networks, the performance of arithmetic units, including adders and multipliers, is pivotal. Conventional numerical systems often fall short of…

Hardware Architecture · Computer Science 2024-08-13 Soudabeh Mousavi , Dara Rahmati , Saeid Gorgin , Jeong-A Lee