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Modern x86 processors have many prefetch instructions that can be used by programmers to boost performance. However, these instructions may also cause security problems. In particular, we found that on Intel processors, there are two…

密码学与安全 · 计算机科学 2022-08-18 Yanan Guo , Andrew Zigerelli , Youtao Zhang , Jun Yang

Due to the emergence of new network applications, current IP lookup engines must support high-bandwidth, low lookup latency and the ongoing growth of IPv6 networks. However, existing solutions are not designed to address jointly those three…

数据结构与算法 · 计算机科学 2017-11-28 Thibaut Stimpfling , Normand Bélanger , J. M. Pierre Langlois , Yvon Savaria

In this paper, we consider a multi-access coded caching system with decentralized prefetching, where a server hosts $N$ files, each of size $F$ bits, and is connected to $K$ users through a shared link. There are $c$ caches distributed…

信息论 · 计算机科学 2024-06-25 Monolina Dutta , Anoop Thomas , B. Sundar Rajan

This paper introduces EXaCTz, a parallel algorithm that concurrently preserves extremum graphs and contour trees in lossy-compressed scalar field data. While error-bounded lossy compression is essential for large-scale scientific…

分布式、并行与集群计算 · 计算机科学 2026-04-03 Yuxiao Li , Mingze Xia , Xin Liang , Bei Wang , Hanqi Guo

Polar codes provably achieve the symmetric capacity of a memoryless channel while having an explicit construction. This work aims to increase the throughput of polar decoder hardware by an order of magnitude relative to the state of the art…

硬件体系结构 · 计算机科学 2015-05-20 Gabi Sarkis , Pascal Giard , Alexander Vardy , Claude Thibeault , Warren J. Gross

Coded Caching is a promising solution to reduce the peak traffic in broadcast networks by prefetching the popular content close to end users and using coded transmissions. One of the chief issues of most coded caching schemes in literature…

信息论 · 计算机科学 2019-02-26 Hari Hara Suthan Chittoor , Bhavana M , Prasad Krishnan

Modern high-performance architectures employ large last-level caches (LLCs). While large LLCs can reduce average memory access latency for workloads with a high degree of locality, they can also increase latency for workloads with irregular…

硬件体系结构 · 计算机科学 2025-11-26 Hoa Nguyen , Pongstorn Maidee , Jason Lowe-Power , Alireza Kaviani

Large-scale observational health databases are increasingly popular for conducting comparative effectiveness and safety studies of medical products. However, increasing number of patients poses computational challenges when fitting survival…

统计计算 · 统计学 2023-10-26 Jianxiao Yang , Martijn J. Schuemie , Xiang Ji , Marc A. Suchard

Subgraph matching is a basic operation widely used in many applications. However, due to its NP-hardness and the explosive growth of graph data, it is challenging to compute subgraph matching, especially in large graphs. In this paper, we…

数据库 · 计算机科学 2021-02-25 Xin Jin , Zhengyi Yang , Xuemin Lin , Shiyu Yang , Lu Qin , You Peng

Memory latencies and bandwidth are major factors, limiting system performance and scalability. Modern CPUs aim at hiding latencies by employing large caches, out-of-order execution, or complex hardware prefetchers. However, software-based…

数据库 · 计算机科学 2025-06-23 Arthur Bernhardt , Sajjad Tamimi , Florian Stock , Andreas Koch , Ilia Petrov

JPEG is one of the most popular image compression methods. It is beneficial to compress those existing JPEG files without introducing additional distortion. In this paper, we propose a deep learning based method to further compress JPEG…

图像与视频处理 · 电气工程与系统科学 2023-08-28 Lina Guo , Yuanyuan Wang , Tongda Xu , Jixiang Luo , Dailan He , Zhenjun Ji , Shanshan Wang , Yang Wang , Hongwei Qin

The increasing complexity of modern processor and IP designs presents significant challenges in identifying and mitigating hardware flaws early in the IC design cycle. Traditional hardware fuzzing techniques, inspired by software testing,…

密码学与安全 · 计算机科学 2025-01-03 Raghul Saravanan , Sreenitha Kasarapu , Sai Manoj Pudukotai Dinakarrao

Despite its effectiveness in uncovering software defects, American Fuzzy Lop (AFL), one of the best grey-box fuzzers, is inefficient when fuzz-testing source-unavailable programs. AFL's binary-only fuzzing mode, QEMU-AFL, is typically 2-5X…

软件工程 · 计算机科学 2019-05-28 Yaohui Chen , Dongliang Mu , Jun Xu , Zhichuang Sun , Wenbo Shen , Xinyu Xing , Long Lu , Bing Mao

Coded caching is an effective technique to reduce the redundant traffic in wireless networks. The existing coded caching schemes require the splitting of files into a possibly large number of subfiles, i.e., they perform coded subfile…

信息论 · 计算机科学 2019-02-06 Seyed Ali Saberali , Lutz Lampe , Ian Blake

The Instruction Set Architecture (ISA) defines processor operations and serves as the interface between hardware and software. As an open ISA, RISC-V lowers the barriers to processor design and encourages widespread adoption, but also…

密码学与安全 · 计算机科学 2026-01-21 Hao Lyu , Jingzheng Wu , Xiang Ling , Yicheng Zhong , Zhiyuan Li , Tianyue Luo

This paper surveys and describes the implementation of parallelization of the Mizar proof checking and of related Mizar utilities. The implementation makes use of Mizar's compiler-like division into several relatively independent passes,…

数学软件 · 计算机科学 2014-05-23 Josef Urban

Hardware Fuzzing emerged as one of the crucial techniques for finding security flaws in modern hardware designs by testing a wide range of input scenarios. One of the main challenges is creating high-quality input seeds that maximize…

密码学与安全 · 计算机科学 2026-01-27 Raghul Saravanan , Sudipta Paria , Aritra Dasgupta , Swarup Bhunia , Sai Manoj P D

Ever-increasing design complexity of System-on-Chips (SoCs) led to significant verification challenges. Unlike software, bugs in hardware design are vigorous and eternal i.e., once the hardware is fabricated, it cannot be repaired with any…

硬件体系结构 · 计算机科学 2025-12-11 Deepak Narayan Gadde , Aman Kumar , Djones Lettnin , Sebastian Simon

Nucleus decompositions have been shown to be a useful tool for finding dense subgraphs. The coreness value of a clique represents its density based on the number of other cliques it is adjacent to. One useful output of nucleus decomposition…

分布式、并行与集群计算 · 计算机科学 2024-01-23 Jessica Shi , Laxman Dhulipala , Julian Shun

Existing decentralized coded caching solutions cannot guarantee small loads in the general scenario with arbitrary file sizes and cache sizes. In this paper, we propose an optimization framework for decentralized coded caching in the…

信息论 · 计算机科学 2019-05-07 Qi Wang , Ying Cui , Sian Jin , Junni Zou , Chenglin Li , Hongkai Xiong