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Main memory database systems aim to provide users with low latency and high throughput access to data. Most data resides in secondary storage, which is limited by the access speed of the technology. For hot content, data resides in DRAM,…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-06-29 Francisco Romero , Benjamin Braun , David Cheriton

Data-parallel applications, such as data analytics, machine learning, and scientific computing, are placing an ever-growing demand on floating-point operations per second on emerging systems. With increasing integration density, the quest…

Hardware Architecture · Computer Science 2020-10-09 Florian Zaruba , Fabian Schuiki , Torsten Hoefler , Luca Benini

This paper presents DLHT, a concurrent in-memory hashtable. Despite efforts to optimize hashtables, that go as far as sacrificing core functionality, state-of-the-art designs still incur multiple memory accesses per request and block…

Databases · Computer Science 2024-06-17 Antonios Katsarakis , Vasilis Gavrielatos , Nikos Ntarmos

Caching at mobile devices can facilitate device-to-device (D2D) communications, which may significantly improve spectrum efficiency and alleviate the heavy burden on backhaul links. However, most previous works ignored user mobility, thus…

Information Theory · Computer Science 2017-03-07 Rui Wang , Jun Zhang , S. H. Song , Khaled B. Letaief

In the era of big data and cloud computing, large amounts of data are generated from user applications and need to be processed in the datacenter. Data-parallel computing frameworks, such as Apache Spark, are widely used to perform such…

Performance · Computer Science 2018-05-09 Zhengyu Yang , Danlin Jia , Stratis Ioannidis , Ningfang Mi , Bo Sheng

The growing demand for efficient, high-performance processing in machine learning (ML) and image processing has made hardware accelerators, such as GPUs and Data Streaming Accelerators (DSAs), increasingly essential. These accelerators…

Hardware Architecture · Computer Science 2025-04-17 Qunyou Liu , Marina Zapater , David Atienza

The explosive growth of multi-source multimedia data has significantly increased the demands for transmission and storage, placing substantial pressure on bandwidth and storage infrastructures. While Autoregressive Compression Models (ACMs)…

Information Theory · Computer Science 2025-07-28 Zeyi Lu , Xiaoxiao Ma , Yujun Huang , Minxiao Chen , Bin Chen , Baoyi An , Shu-Tao Xia

This extended report presents DDS, a novel disaggregated storage architecture enabled by emerging networking hardware, namely DPUs (Data Processing Units). DPUs can optimize the latency and CPU consumption of disaggregated storage servers.…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-08-29 Qizhen Zhang , Philip Bernstein , Badrish Chandramouli , Jiasheng Hu , Yiming Zheng

The World Wide Web has come to be a great part of our daily life, yet user observed latency is still a problem that needs a proper means of handling. Even though earlier attempts focused on caching as the chief solution to tackling this…

Networking and Internet Architecture · Computer Science 2025-09-18 Yoseph Berhanu Alebachew , Mulugeta Libsie

In terahertz (THz) massive multiple-input multiple-output (MIMO) systems, the combination of huge bandwidth and massive antennas results in severe beam split, thus making the conventional phase-shifter based hybrid precoding architecture…

Information Theory · Computer Science 2022-11-29 Jiabao Gao , Caijun Zhong , Geoffrey Ye Li , Joseph B. Soriaga , Arash Behboodi

With deep neural networks (DNNs) emerging as the backbone in a multitude of computer vision tasks, their adoption in real-world applications broadens continuously. Given the abundance and omnipresence of smart devices in the consumer…

Machine Learning · Computer Science 2023-08-08 Alexandros Kouris , Stylianos I. Venieris , Stefanos Laskaridis , Nicholas D. Lane

The disaggregated memory (DM) architecture offers high resource elasticity at the cost of data access performance. While caching frequently accessed data in compute nodes (CNs) reduces access overhead, it requires costly centralized…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-05-26 Hanze Zhang , Kaiming Wang , Rong Chen , Xingda Wei , Haibo Chen

In LLM serving, reusing the KV cache of prompts across requests is critical for reducing TTFT and serving costs. Cache-affinity scheduling, which co-locates requests with the same prompt prefix to maximize KV cache reuse, often conflicts…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-02-09 Ying Yuan , Pengfei Zuo , Bo Wang , Zhangyu Chen , Zhipeng Tan , Zhou Yu

The continued growth of the computational capability of throughput processors has made throughput processors the platform of choice for a wide variety of high performance computing applications. Graphics Processing Units (GPUs) are a prime…

Hardware Architecture · Computer Science 2018-05-01 Rachata Ausavarungnirun

Bit-level sparsity in quantized deep neural networks (DNNs) offers significant potential for optimizing Multiply-Accumulate (MAC) operations. However, two key challenges still limit its practical exploitation. First, conventional bit-serial…

Hardware Architecture · Computer Science 2025-07-15 Feilong Qiaoyuan , Jihe Wang , Zhiyu Sun , Linying Wu , Yuanhua Xiao , Danghui Wang

Diffusion Transformers have recently demonstrated unprecedented generative capabilities for various tasks. The encouraging results, however, come with the cost of slow inference, since each denoising step requires inference on a transformer…

Machine Learning · Computer Science 2024-11-19 Xinyin Ma , Gongfan Fang , Michael Bi Mi , Xinchao Wang

To alleviate the performance and energy overheads of contemporary applications with large data footprints, we propose the Two Level Perceptron (TLP) predictor, a neural mechanism that effectively combines predicting whether an access will…

Hardware Architecture · Computer Science 2025-11-04 Alexandre Valentin Jamet , Georgios Vavouliotis , Daniel A. Jiménez , Lluc Alvarez , Marc Casas

This paper aims to apply two major scaling transformations from the computing packaging industry to internet routers: the heterogeneous integration of high-bandwidth memories (HBMs) and chiplets, as well as in-package optics. We propose a…

Networking and Internet Architecture · Computer Science 2026-02-12 Isaac Keslassy , Ilay Yavlovich , Jose Yallouz , Tzu-Chien Hsueh , Yeshaiahu Fainman , Bill Lin

In this paper, we explore adapter tuning and introduce a novel dual-adapter architecture for spatio-temporal multimodal tracking, dubbed DMTrack. The key of our DMTrack lies in two simple yet effective modules, including a spatio-temporal…

Computer Vision and Pattern Recognition · Computer Science 2026-03-04 Weihong Li , Shaohua Dong , Haonan Lu , Yanhao Zhang , Heng Fan , Libo Zhang

To prepare images for better segmentation, we need preprocessing applications, such as smoothing, to reduce noise. In this paper, we present an enhanced computation method for smoothing 2D object in binary case. Unlike existing approaches,…

Distributed, Parallel, and Cluster Computing · Computer Science 2016-03-31 Ramzi Mahmoudi , Mohamed Akil