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In Real-time system, utilization based schedulability test is a common approach to determine whether or not tasks can be admitted without violating deadline requirements. The exact problem has previously been proven intractable even upon…

软件工程 · 计算机科学 2011-01-11 Jagbeer Singh

Over the years, many multiprocessor locking protocols have been designed and analyzed. However, the performance of these protocols highly depends on how the tasks are partitioned and prioritized and how the resources are shared locally and…

操作系统 · 计算机科学 2018-09-11 Jian-Jia Chen , Georg von der Brüggen , Junjie Shi , Niklas Uete

Many scientific workflows can be modeled as a Directed Acyclic Graph (henceforth mentioned as DAG) where the nodes represent individual tasks and the directed edges represent data and control flow dependency between two tasks. Due to large…

分布式、并行与集群计算 · 计算机科学 2022-12-20 Atharva Tekawade , Suman Banerjee

Vehicular cloud (VC) platforms integrate heterogeneous and distributed resources of moving vehicles to offer timely and cost-effective computing services. However, the dynamic nature of VCs (i.e., limited contact duration among vehicles),…

分布式、并行与集群计算 · 计算机科学 2022-08-29 Zhang Liu , Minghui Liwang , Seyyedali Hosseinalipour , Huaiyu Dai , Zhibin Gao , Lianfen Huang

Scheduling job flows efficiently and rapidly on distributed computing clusters is one of huge challenges for daily operation of data centers. In a practical scenario, a single job consists of numerous stages with complex dependency relation…

分布式、并行与集群计算 · 计算机科学 2022-02-22 Jinhong Luo , Yunfan Zhou , Xijun Li , Mingxuan Yuan , Jianguo Yao , Jia Zeng

In order to improve system performance efficiently, a number of systems choose to equip multi-core and many-core processors (such as GPUs). Due to their discrete memory these heterogeneous architectures comprise a distributed system within…

分布式、并行与集群计算 · 计算机科学 2015-02-27 Hao Wu , Daniel Lohmann , Wolfgang Schröder-Preikschat

Directed acyclic graph (DAG) tasks are currently adopted in the real-time domain to model complex applications from the automotive, avionics, and industrial domains that implement their functionalities through chains of intercommunicating…

机器学习 · 计算机科学 2024-01-12 Binqi Sun , Mirco Theile , Ziyuan Qin , Daniele Bernardini , Debayan Roy , Andrea Bastoni , Marco Caccamo

This paper studies real-time scheduling of mixed-criticality systems where low-criticality tasks are still guaranteed some service in the high-criticality mode, with reduced execution budgets. First, we present a utilization-based…

其他计算机科学 · 计算机科学 2018-08-02 Di Liu , Jelena Spasic , Gang Chen , Nan Guan , Songran Liu , Todor Stefanov , Wang Yi

In Autonomous Driving Systems (ADS), Directed Acyclic Graphs (DAGs) are widely used to model complex data dependencies and inter-task communication. However, existing DAG scheduling approaches oversimplify data fusion tasks by assuming…

系统与控制 · 电气工程与系统科学 2025-10-29 Hoora Sobhani , Hyoseung Kim

We consider a parallel system of $m$ identical machines prone to unpredictable crashes and restarts, trying to cope with the continuous arrival of tasks to be executed. Tasks have different computational requirements (i.e., processing time…

分布式、并行与集群计算 · 计算机科学 2016-03-21 Elli Zavou , Antonio Fernández Anta

We study a class of scheduling problems, where each job is divided into a batch of unit-size tasks and these tasks can be executed in parallel on multiple servers with New-Better-than-Used (NBU) service time distributions. While many delay…

网络与互联网体系结构 · 计算机科学 2023-10-02 Yin Sun , C. Emre Koksal , Ness B. Shroff

In generalized malleable scheduling, jobs can be allocated and processed simultaneously on multiple machines so as to reduce the overall makespan of the schedule. The required processing time for each job is determined by the joint…

离散数学 · 计算机科学 2021-11-22 Dimitris Fotakis , Jannik Matuschke , Orestis Papadigenopoulos

Static (offline) techniques for mapping applications given by task graphs to MPSoC systems often deliver overly pessimistic and thus suboptimal results w.r.t. exploiting time slack in order to minimize the energy consumption. This holds…

数据结构与算法 · 计算机科学 2019-12-20 Bertrand Simon , Joachim Falk , Nicole Megow , Jürgen Teich

In this paper we study the global scheduling of periodic task systems upon multiprocessor platforms. We first show two very general properties which are well-known for uniprocessor platforms and which remain for multiprocessor platforms:…

操作系统 · 计算机科学 2008-01-29 Liliana Cucu , Joël Goossens

We have a set of processors (or agents) and a set of graph networks defined over some vertex set. Each processor can access a subset of the graph networks. Each processor has a demand specified as a pair of vertices $<u, v>$, along with a…

数据结构与算法 · 计算机科学 2012-10-08 Venkatesan T. Chakaravarthy , Sambuddha Roy , Yogish Sabharwal

In this paper, we consider the problem of scheduling an application on a parallel computational platform. The application is a particular task graph, either a linear chain of tasks, or a set of independent tasks. The platform is made of…

数据结构与算法 · 计算机科学 2012-10-18 Guillaume Aupy , Anne Benoit

The analysis of massive scientific data often happens in the form of workflows with interdependent tasks. When such a scientific workflow needs to be scheduled on a parallel or distributed system, one usually represents the workflow as a…

分布式、并行与集群计算 · 计算机科学 2025-03-31 Svetlana Kulagina , Anne Benoit , Henning Meyerhenke

We consider a setting involving $N$ agents, where each agent interacts with an environment modeled as a Markov Decision Process (MDP). The agents' MDPs differ in their reward functions, capturing heterogeneous objectives/tasks. The…

机器学习 · 计算机科学 2024-09-10 Feng Zhu , Robert W. Heath , Aritra Mitra

Recently, low-complexity and distributed Carrier Sense Multiple Access (CSMA)-based scheduling algorithms have attracted extensive interest due to their throughput-optimal characteristics in general network topologies. However, these…

网络与互联网体系结构 · 计算机科学 2014-05-06 Bin Li , Atilla Eryilmaz

Federated learning (FL) has emerged as a widely adopted training paradigm for privacy-preserving machine learning. While the SGD-based FL algorithms have demonstrated considerable success in the past, there is a growing trend towards…

机器学习 · 计算机科学 2024-07-29 Yujia Wang , Shiqiang Wang , Songtao Lu , Jinghui Chen