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Anomaly detection is a crucial and challenging subject that has been studied within diverse research areas. In this work, we explore the task of log anomaly detection (especially computer system logs and user behavior logs) by analyzing…

Machine Learning · Computer Science 2021-01-08 Yicheng Guo , Yujin Wen , Congwei Jiang , Yixin Lian , Yi Wan

Timely and accurate detection of anomalies in power electronics is becoming increasingly critical for maintaining complex production systems. Robust and explainable strategies help decrease system downtime and preempt or mitigate…

The challenge of designing an efficient Medium Access Control (MAC) protocol and analyzing it has been an important research topic for over 30 years. This paper focuses on the performance analysis (through simulation) and modification of a…

Cryptography and Security · Computer Science 2009-07-06 Piyush Kumar Shukla , Dr. S. Silakari , Dr. Sarita Singh Bhadoria

Throughput-oriented computing via co-running multiple applications in the same machine has been widely adopted to achieve high hardware utilization and energy saving on modern supercomputers and data centers. However, efficiently co-running…

Performance · Computer Science 2023-03-29 Hao Xu , Shuang Song , Ze Mao

GPUs are critical for compute-intensive applications, yet emerging workloads such as recommender systems, graph analytics, and data analytics often exceed GPU memory capacity. Existing solutions allow GPUs to use CPU DRAM or SSDs as…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-08-27 Zhuoping Yang , Jinming Zhuang , Xingzhen Chen , Alex K. Jones , Peipei Zhou

The increasing complexity and scale of telecommunication networks have led to a growing interest in automated anomaly detection systems. However, the classification of anomalies detected on network Key Performance Indicators (KPI) has…

Machine Learning · Computer Science 2023-09-01 Korantin Bordeau-Aubert , Justin Whatley , Sylvain Nadeau , Tristan Glatard , Brigitte Jaumard

The advent of RoCE (RDMA over Converged Ethernet) has led to a significant increase in the use of RDMA in datacenter networks. To achieve good performance, RoCE requires a lossless network which is in turn achieved by enabling Priority Flow…

Networking and Internet Architecture · Computer Science 2018-06-22 Radhika Mittal , Alexander Shpiner , Aurojit Panda , Eitan Zahavi , Arvind Krishnamurthy , Sylvia Ratnasamy , Scott Shenker

Monitoring the status of large computing systems is essential to identify unexpected behavior and improve their performance and uptime. However, due to the large-scale and distributed design of such computing systems as well as a large…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-02-09 Tom Richard Vargis , Siavash Ghiasvand

Modern scientific workflows are data-driven and are often executed on distributed, heterogeneous, high-performance computing infrastructures. Anomalies and failures in the workflow execution cause loss of scientific productivity and…

Software Engineering · Computer Science 2021-03-24 Huy Tu , George Papadimitriou , Mariam Kiran , Cong Wang , Anirban Mandal , Ewa Deelman , Tim Menzies

Anomaly detection methods have demonstrated remarkable success across various applications. However, assessing their performance, particularly at the pixel-level, presents a complex challenge due to the severe imbalance that is most…

Computer Vision and Pattern Recognition · Computer Science 2023-10-26 Mehdi Rafiei , Toby P. Breckon , Alexandros Iosifidis

Many hardware structures in today's high-performance out-of-order processors do not scale in an efficient way. To address this, different solutions have been proposed that build execution schedules in an energy-efficient manner. Issue time…

Hardware Architecture · Computer Science 2021-09-08 Andreas Diavastos , Trevor E. Carlson

Conventional wisdom holds that an efficient interface between an OS running on a CPU and a high-bandwidth I/O device should use Direct Memory Access (DMA) to offload data transfer, descriptor rings for buffering and queuing, and interrupts…

Hardware Architecture · Computer Science 2025-04-25 Anastasiia Ruzhanskaia , Pengcheng Xu , David Cock , Timothy Roscoe

As Deep Neural Networks (DNNs) have become an increasingly ubiquitous workload, the range of libraries and tooling available to aid in their development and deployment has grown significantly. Scalable, production quality tools are freely…

Machine Learning · Computer Science 2022-06-22 Perry Gibson , José Cano

As RISC-V architectures proliferate across embedded and high-performance domains, developers face persistent challenges in performance optimization due to fragmented tooling, immature hardware features, and platform-specific defects. This…

Performance · Computer Science 2025-07-31 Alexander Batashev

In large-scale online services, crucial metrics, a.k.a., key performance indicators (KPIs), are monitored periodically to check their running statuses. Generally, KPIs are aggregated along multiple dimensions and derived by complex…

Artificial Intelligence · Computer Science 2022-09-02 Shifu Yan , Caihua Shan , Wenyi Yang , Bixiong Xu , Dongsheng Li , Lili Qiu , Jie Tong , Qi Zhang

Industrial anomaly detection is an important task within computer vision with a wide range of practical use cases. The small size of anomalous regions in many real-world datasets necessitates processing the images at a high resolution. This…

Computer Vision and Pattern Recognition · Computer Science 2024-04-10 Blaž Rolih , Dick Ameln , Ashwin Vaidya , Samet Akcay

The rapid growth in mobile broadband usage and increasing subscribers have made it crucial to ensure reliable network performance. As mobile networks grow more complex, especially during peak hours, manual collection of Key Performance…

Networking and Internet Architecture · Computer Science 2024-10-08 Nooruddin Noonari , Daniel Corujo , Rui L. Aguiar , Francisco J. Ferrao

Modern manufacturers are currently undertaking the integration of novel digital technologies - such as 5G-based wireless networks, the Internet of Things (IoT), and cloud computing - to elevate their production process to a brand new level,…

Networking and Internet Architecture · Computer Science 2021-12-08 Huanzhuo Wu , Jia He , Máté Tömösközi , Zuo Xiang , Frank H. P. Fitzek

Students interactions while solving problems in learning environments (i.e. log data) are often used to support students learning. For example, researchers use log data to develop systems that can provide students with personalized problem…

Computers and Society · Computer Science 2024-07-26 Alex Hicks , Yang Shi , Arun-Balajiee Lekshmi-Narayanan , Wei Yan , Samiha Marwan

As we have entered Exascale computing, the faults in high-performance systems are expected to increase considerably. To compensate for a higher failure rate, the standard checkpoint/restart technique would need to create checkpoints at a…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-10-26 Sarthak Joshi , Sathish Vadhiyar