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Asynchronous tasks, when created with over-decomposition, enable automatic computation-communication overlap which can substantially improve performance and scalability. This is not only applicable to traditional CPU-based systems, but also…

分布式、并行与集群计算 · 计算机科学 2022-03-23 Jaemin Choi , David F. Richards , Laxmikant V. Kale

Cryptocurrency transaction fraud detection faces the dual challenges of increasingly complex transaction patterns and severe class imbalance. Traditional methods rely on manual feature engineering and struggle to capture temporal and…

机器学习 · 计算机科学 2025-06-27 Zhi Zheng , Bochuan Zhou , Yuping Song

We propose here a framework to model real-time components consisting of concurrent real-time tasks running on a single processor, using parametric timed automata. Our framework is generic and modular, so as to be easily adapted to different…

操作系统 · 计算机科学 2014-04-02 Youcheng Sun , Giuseppe Lipari , Étienne André , Laurent Fribourg

This paper considers the problem of real-time mode scheduling in linear time-varying switched systems subject to a quadratic cost functional. The execution time of hybrid control algorithms is often prohibitive for real-time applications…

最优化与控制 · 数学 2017-09-04 Anastasia Mavrommati , Jarvis A. Schultz , Todd D. Murphey

Optimal quantum control theory carries a huge promise for quantum technology. Its experimental application, however, is often hindered by imprecise knowledge of the its input variables, the quantum system's parameters. We show how to…

量子物理 · 物理学 2014-06-25 D. J. Egger , F. K. Wilhelm

Spherical Harmonic Transforms (SHT) are at the heart of many scientific and practical applications ranging from climate modelling to cosmological observations. In many of these areas new, cutting-edge science goals have been recently…

分布式、并行与集群计算 · 计算机科学 2013-04-03 Mikolaj Szydlarski , Pierre Esterie , Joel Falcou , Laura Grigori , R. Stompor

Motivated by the need for adaptive, secure and responsive scheduling in a great range of computing applications, including human-centered and time-critical applications, this paper proposes a scheduling framework that seamlessly adds…

分布式、并行与集群计算 · 计算机科学 2020-01-14 Georgios C. Chasparis , Vladimir Janjic , Michael Rossbory

In the realm of big data and machine learning, data-parallel, distributed stochastic algorithms have drawn significant attention in the present days.~While the synchronous versions of these algorithms are well understood in terms of their…

最优化与控制 · 数学 2020-04-07 Atal Narayan Sahu , Aritra Dutta , Aashutosh Tiwari , Peter Richtárik

Task parallelism research has traditionally focused on optimizing computation-intensive applications. Due to the proliferation of commodity parallel processors, there has been recent interest in supporting interactive applications. Such…

分布式、并行与集群计算 · 计算机科学 2019-06-20 Kyle Singer , Kunal Agrawal , I-Ting Angelina Lee

Prior work on Automatically Scalable Computation (ASC) suggests that it is possible to parallelize sequential computation by building a model of whole-program execution, using that model to predict future computations, and then…

分布式、并行与集群计算 · 计算机科学 2018-09-21 Peter Kraft , Amos Waterland , Daniel Y Fu , Anitha Gollamudi , Shai Szulanski , Margo Seltzer

This paper presents a parallel \PG{implementation} for the Optimal Transportation Meshfree (OTM) method on large CPU clusters. Communications are handled with the Message Passing Interface (MPI). The Recursive Coordinate Bisection (RCB)…

计算工程、金融与科学 · 计算机科学 2022-06-20 Sandeep Kumar , Pierre Gosselet , Dengpeng Huang , Christian Weißenfels , Peter Wriggers

The Transformer architecture, underpinned by the self-attention mechanism, has become the de facto standard for sequence modeling tasks. However, its core computational primitive scales quadratically with sequence length (O(N^2)), creating…

计算与语言 · 计算机科学 2025-09-03 Rishiraj Acharya

In this note, we present the stability as well as performance analysis of asynchronous parallel computing algorithm implemented in 1D heat equation with CUDA. The primary objective of this note lies in dissemination of asynchronous parallel…

分布式、并行与集群计算 · 计算机科学 2015-11-03 Kooktae Lee , Raktim Bhattacharya

Stochastic Gradient Descent (SGD) has become the de facto way to train deep neural networks in distributed clusters. A critical factor in determining the training throughput and model accuracy is the choice of the parameter synchronization…

分布式、并行与集群计算 · 计算机科学 2021-04-21 Shijian Li , Oren Mangoubi , Lijie Xu , Tian Guo

Different possible sources are discussed for enhancement of the calculation time when solving ordinary differential equations systems to forecast space objects' motion. This paper presents an approach for building an integrator of ordinary…

空间物理 · 物理学 2010-03-02 Atanas Marinov Atanassov

This paper presents a novel approach to including non-instantaneous discrete control transitions in the linear hybrid automaton approach to simulation and verification of hybrid control systems. In this paper we study the control of a…

系统与控制 · 计算机科学 2015-01-26 Avinash Malik , Partha Roop

Decoding in a Transformer based language model is inherently sequential as a token's embedding needs to pass through all the layers in the network before the generation of the next token can begin. In this work, we propose a new…

机器学习 · 计算机科学 2025-08-27 Dylan Cutler , Arun Kandoor , Nishanth Dikkala , Nikunj Saunshi , Xin Wang , Rina Panigrahy

Distributed control algorithms are known to reduce overall computation time compared to centralized control algorithms. However, they can result in inconsistent solutions leading to the violation of safety-critical constraints. Inconsistent…

系统与控制 · 电气工程与系统科学 2024-11-26 Julius Beerwerth , Maximilian Kloock , Bassam Alrifaee

Optimistic parallelization is a promising approach for the parallelization of irregular algorithms: potentially interfering tasks are launched dynamically, and the runtime system detects conflicts between concurrent activities, aborting and…

编程语言 · 计算机科学 2012-06-28 Francesco Versaci , Keshav Pingali

Transactional Memory (TM) is an approach aiming to simplify concurrent programming by automating synchronization while maintaining efficiency. TM usually employs the optimistic concurrency control approach, which relies on transactions…

分布式、并行与集群计算 · 计算机科学 2017-11-21 Paweł T. Wojciechowski , Konrad Siek