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This paper proposes Scalene, a profiler specialized for Python. Scalene combines a suite of innovations to precisely and simultaneously profile CPU, memory, and GPU usage, all with low overhead. Scalene's CPU and memory profilers help…

编程语言 · 计算机科学 2023-03-24 Emery D. Berger , Sam Stern , Juan Altmayer Pizzorno

Under gang scheduling for large-scale distributed large language model (LLM) training, a single network anomaly can stall or abort an entire job. Current network fault tolerance mechanisms typically adopt a ``fallback and bypass'' approach…

网络与互联网体系结构 · 计算机科学 2026-02-27 Shengkai Lin , Kairui Zhou , Hongtao Zhang , Yibo Wu , Yi Pan , Yihan Yang , Qinwei Yang , Wei Zhang , Arvind Krishnamurthy , Shizhen Zhao

Microcontroller-based embedded devices are at the core of Internet-of-Things and Cyber-Physical Systems. The security of these devices is of paramount importance. Among the approaches to securing embedded devices, dynamic firmware analysis…

密码学与安全 · 计算机科学 2021-01-18 Alejandro Mera , Bo Feng , Long Lu , Engin Kirda

The detection of anomalies is essential mining task for the security and reliability in computer systems. Logs are a common and major data source for anomaly detection methods in almost every computer system. They collect a range of…

机器学习 · 计算机科学 2020-08-24 Sasho Nedelkoski , Jasmin Bogatinovski , Alexander Acker , Jorge Cardoso , Odej Kao

GPUs have been widely used to accelerate computations exhibiting simple patterns of parallelism - such as flat or two-level parallelism - and a degree of parallelism that can be statically determined based on the size of the input dataset.…

分布式、并行与集群计算 · 计算机科学 2016-11-18 Hancheng Wu , Da Li , Michela Becchi

Workload characterization is an integral part of performance analysis of high performance computing (HPC) systems. An understanding of workload properties sheds light on resource utilization and can be used to inform performance…

The sophistication and diversity of contemporary cyberattacks have rendered the use of proxies, gateways, firewalls, and encrypted tunnels as a standalone defensive strategy inadequate. Consequently, the proactive identification of data…

机器学习 · 计算机科学 2024-09-24 Liyang Wang , Yu Cheng , Hao Gong , Jiacheng Hu , Xirui Tang , Iris Li

Remote Direct Memory Access (RDMA) has been haunted by the need of pinning down memory regions. Pinning limits the memory utilization because it impedes on-demand paging and swapping. It also increases the initialization latency of large…

网络与互联网体系结构 · 计算机科学 2023-10-18 Huijun Shen , Guo Chen , Bojie Li , Xingtong Lin , Xingyu Zhang , Xizheng Wang , Amit Geron , Shamir Rabinovitch , Haifeng Lin , Han Ruan , Lijun Li , Jingbin Zhou , Kun Tan

Rare diseases affect 1 in 10 Americans yet remain systematically underdocumented in clinical records. ICD-based systems cannot capture their breadth, over 50\% of Orphanet codes lack a direct ICD mapping and only 2.2\% of HPO codes have…

机器学习 · 计算机科学 2026-05-14 John Wu , Adam Cross , Jimeng Sun

Automated test case generation is an effective technique to yield high-coverage test suites. While the majority of research effort has been devoted to satisfying coverage criteria, a recent trend emerged towards optimizing other…

软件工程 · 计算机科学 2019-11-11 Giovanni Grano , Christoph Laaber , Annibale Panichella , Sebastiano Panichella

Analysing malware is important to understand how malicious software works and to develop appropriate detection and prevention methods. Dynamic analysis can overcome evasion techniques commonly used to bypass static analysis and provide…

密码学与安全 · 计算机科学 2023-10-30 Baskoro Adi Pratomo , Toby Jackson , Pete Burnap , Andrew Hood , Eirini Anthi

This article introduces a novel method for detecting anomalies within log data from control system nodes at the European XFEL accelerator. Effective anomaly detection is crucial for providing operators with a clear understanding of each…

密码学与安全 · 计算机科学 2025-09-26 Antonin Sulc , Annika Eichler , Tim Wilksen

Deep within the networks of distributed systems, one often finds anomalies that affect their efficiency and performance. These anomalies are difficult to detect because the distributed systems may not have sufficient sensors to monitor the…

计算机与社会 · 计算机科学 2014-12-09 Freddy Chong Tat Chua , Ee-Peng Lim , Bernardo A. Huberman

Key Performance Indicators (KPI), which are essentially time series data, have been widely used to indicate the performance of telecom networks. Based on the given KPIs, a large set of anomaly detection algorithms have been deployed for…

机器学习 · 计算机科学 2023-05-26 Hamza Bodor , Thai V. Hoang , Zonghua Zhang

Outsourced computation can put client data confidentiality at risk. Existing solutions are either inefficient or insufficiently secure: cryptographic techniques like fully-homomorphic encryption incur significant overheads, even with…

密码学与安全 · 计算机科学 2024-06-26 Hossam ElAtali , John Z. Jekel , Lachlan J. Gunn , N. Asokan

An enterprise today deploys multiple security middleboxes such as firewalls, IDS, IPS, etc. in its network to collect different kinds of events related to threats and attacks. These events are streamed into a SIEM (Security Information and…

密码学与安全 · 计算机科学 2022-04-01 Jehyun Lee , Farren Tang , Phyo May Thet , Desmond Yeoh , Mitch Rybczynski , Dinil Mon Divakaran

Azure Core workload insights have time-series data with different metric units. Faults or Anomalies are observed in these time-series data owing to faults observed with respect to metric name, resources region, dimensions, and its dimension…

机器学习 · 计算机科学 2024-07-26 Pranay Lohia , Laurent Boue , Sharath Rangappa , Vijay Agneeswaran

With the widespread adoption of cloud services, especially the extensive deployment of plenty of Web applications, it is important and challenging to detect anomalies from the packet payload. For example, the anomalies in the packet payload…

信号处理 · 电气工程与系统科学 2021-05-20 Jiaxin Liu , Xucheng Song , Yingjie Zhou , Xi Peng , Yanru Zhang , Pei Liu , Dapeng Wu

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…

硬件体系结构 · 计算机科学 2025-04-17 Qunyou Liu , Marina Zapater , David Atienza

Timely detection of abrupt anomalies is crucial for real-time monitoring and security of modern systems producing high-dimensional data. With this goal, we propose effective and scalable algorithms. Proposed algorithms are nonparametric as…

机器学习 · 计算机科学 2020-02-19 Mehmet Necip Kurt , Yasin Yilmaz , Xiaodong Wang