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Layout-Aware Data Scheduler (LADS) data transfer tool, identifies and addresses the issues that lead to congestion on the path of an end-to-end data transfer in the terabit network environments. It exploits the underlying storage layout at…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-04-05 Preethika Kasu , Taeuk Kim , Youngjae Kim , Jung-Ho Um , Kyongseok Park , Scott Atchley

With the advancement of information retrieval, recommendation systems, and Retrieval-Augmented Generation (RAG), Approximate Nearest Neighbor Search (ANNS) gains widespread applications due to its higher performance and accuracy. While…

Databases · Computer Science 2026-03-03 Yang Xiao , Mo Sun , Ziyu Song , Bing Tian , Jie Zhang , Jie Sun , Zeke Wang

In this paper, we propose a novel wireless caching scheme to enhance the physical layer security of video streaming in cellular networks with limited backhaul capacity. By proactively sharing video data across a subset of base stations…

Information Theory · Computer Science 2017-11-08 Lin Xiang , Derrick Wing Kwan Ng , Robert Schober , Vincent W. S. Wong

Solid state disks (SSDs) have advanced to outperform traditional hard drives significantly in both random reads and writes. However, heavy random writes trigger fre- quent garbage collection and decrease the performance of SSDs. In an SSD…

Operating Systems · Computer Science 2015-06-26 Da Zheng , Randal Burns , Alexander S. Szalay

This paper proposes an intelligent cache management strategy based on CNN-LSTM to improve the performance and cache hit rate of storage systems. Through comparative experiments with traditional algorithms (such as LRU and LFU) and other…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-11-20 Xiaoye Wang , Xuan Li , Linji Wang , Tingyi Ruan , Pochun Li

Hybrid Solid-State Drives (SSDs), which integrate several types of flash cells (e.g., single-level cell (SLC) and multiple-level cell (MLC)) in a single drive and enable them to convert between each other, are designed to deliver both high…

Hardware Architecture · Computer Science 2025-03-18 Qian Wei , Yi Li , Zehao Chen , Zhaoyan Shen , Dongxiao Yu , Bingzhe Li

The current flash memory technology focuses on the cost minimization of its static storage capacity. However, the resulting approach supports a relatively small number of program-erase cycles. This technology is effective for consumer…

Information Theory · Computer Science 2015-01-05 Eyal En Gad , Eitan Yaakobi , Anxiao , Jiang , Jehoshua Bruck

This paper focuses on data structures for multi-core reachability, which is a key component in model checking algorithms and other verification methods. A cornerstone of an efficient solution is the storage of visited states. In related…

Distributed, Parallel, and Cluster Computing · Computer Science 2010-05-06 Alfons Laarman , Jaco van de Pol , Michael Weber

In this paper, we investigate for the first time the benefits of wireless caching for the physical layer security (PLS) of wireless networks. In particular, a caching scheme enabling power-efficient PLS is proposed for cellular video…

Information Theory · Computer Science 2016-12-06 Lin Xiang , Derrick Wing Kwan Ng , Robert Schober , Vincent W. S. Wong

SSDs are currently replacing magnetic disks in many application areas. A challenge of the underlying flash technology is that data cannot be updated in-place. A block consisting of many pages must be completely erased before a single page…

Performance · Computer Science 2018-07-26 Lars Nagel , Tim Süß , Kevin Kremer , M. Umar Hameed , Lingfang Zeng , André Brinkmann

Caches are widely used to improve performance in modern processors. By carefully evicting cache lines and identifying cache hit/miss time, contention-based cache timing channel attacks can be orchestrated to leak information from the victim…

Cryptography and Security · Computer Science 2024-10-28 Tuo Li , Sri Parameswaran

The storage manager, as a key component of the database system, is responsible for organizing, reading, and delivering data to the execution engine for processing. According to the data serving mechanism, existing storage managers are…

Databases · Computer Science 2019-05-20 Ye Zhu

Large persistent memories such as NVDIMM have been perceived as a disruptive memory technology, because they can maintain the state of a system even after a power failure and allow the system to recover quickly. However, overheads incurred…

Hardware Architecture · Computer Science 2021-06-29 Jie Zhang , Miryeong Kwon , Donghyun Gouk , Sungjoon Koh , Nam Sung Kim , Mahmut Taylan Kandemir , Myoungsoo Jung

As the amount of data produced in society continues to grow at an exponential rate, modern applications are incurring significant performance and energy penalties due to high data movement between the CPU and memory/storage. While…

Hardware Architecture · Computer Science 2024-03-12 Ryan Wong , Nikita Kim , Kevin Higgs , Sapan Agarwal , Engin Ipek , Saugata Ghose , Ben Feinberg

Distributed storage systems (DSSs) have gained a lot of interest recently, thanks to their robustness and scalability compared to single-device storage. Majority of the related research has exclusively concerned the network layer. At the…

Information Theory · Computer Science 2014-04-29 Camilla Hollanti , David Karpuk , Amaro Barreal , Hsiao-feng Francis Lu

Although NAND flash memory has achieved continuous capacity improvements via advanced 3D stacking and multi-level cell technologies, these innovations introduce new reliability challenges, particularly lateral charge spreading (LCS), absent…

Hardware Architecture · Computer Science 2025-11-11 Omin Kwon , Kyungjun Oh , Jaeyong Lee , Myungsuk Kim , Jihong Kim

In cost-sensitive deployments, RAID arrays may combine SSDs with different performance levels. Such heterogeneity arises when aging SSDs degrade yet remain usable, or when failed drives are replaced with new devices of explicitly better…

Operating Systems · Computer Science 2026-04-03 Jialin Liu , Liang Shi , Dingcui Yu

In recent years, information retrieval algorithms have taken center stage for extracting important data in ever larger datasets. Advances in hardware technology have lead to the increasingly wide spread use of flash storage devices. Such…

Databases · Computer Science 2012-11-20 Tyler Clemons , S. M. Faisal , Shirish Tatikonda , Charu Aggarawl , Srinivasan Parthasarathy

Emerging storage systems with new flash exhibit ultra-low latency (ULL) that can address performance disparities between DRAM and conventional solid state drives (SSDs) in the memory hierarchy. Considering the advanced low-latency…

Operating Systems · Computer Science 2019-12-17 Sungjoon Koh , Junhyeok Jang , Changrim Lee , Miryeong Kwon , Jie Zhang , Myoungsoo Jung

Caching at mobile devices and leveraging device- to-device (D2D) communication are two promising approaches to support massive content delivery over wireless networks. The analysis of cache-enabled wireless networks is usually carried out…

Information Theory · Computer Science 2020-03-25 Ramy Amer , Hesham Elsawy , M. Majid Butt , Eduard A. Jorswieck , Mehdi Bennis , Nicola Marchetti