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Energy-efficient real-time task scheduling has been actively explored in the past decade. Different from the past work, this paper considers schedulability conditions for stochastic real-time tasks. A schedulability condition is first…

操作系统 · 计算机科学 2008-04-07 Vandy Berten , Chi-Ju Chang , Tei-Wei Kuo

One of the major limitations for the employment of model-based planning and scheduling in practical applications is the need of costly re-planning when an incongruence between the observed reality and the formal model is encountered during…

人工智能 · 计算机科学 2019-11-19 Michael Cashmore , Alessandro Cimatti , Daniele Magazzeni , Andrea Micheli , Parisa Zehtabi

This paper describes a new approach to experimentally estimate the application schedulability for various processor frequencies. We use additional workload generated by an artificial high priority routine to simulate the frequency decrease…

软件工程 · 计算机科学 2007-05-23 Sampsa Fabritius , Raimondas Lencevicius , Edu Metz , Alexander Ran

Computing tight over-approximation of reach sets of a controlled uncertain dynamical system is a common practice in verification of safety-critical cyber-physical systems (CPS). While several algorithms are available for this purpose, they…

系统与控制 · 电气工程与系统科学 2021-03-16 Shadi Haddad , Abhishek Halder

Deciding the best future execution time is a critical task in many business activities while evolving time series forecasting, and optimal timing strategy provides such a solution, which is driven by observed data. This solution has plenty…

人工智能 · 计算机科学 2023-10-10 Chen Pan , Fan Zhou , Xuanwei Hu , Xinxin Zhu , Wenxin Ning , Zi Zhuang , Siqiao Xue , James Zhang , Yunhua Hu

This work studies fixed priority (FP) scheduling of real-time jobs with end-to-end deadlines in a distributed system. Specifically, given a multi-stage pipeline with multiple heterogeneous resources of the same type at each stage, the…

分布式、并行与集群计算 · 计算机科学 2024-03-21 Niraj Kumar , Chuanchao Gao , Arvind Easwaran

Heterogeneous computing systems, which combine general-purpose processors with specialized accelerators, are increasingly important for optimizing the performance of modern applications. A central challenge is to decide which parts of an…

分布式、并行与集群计算 · 计算机科学 2026-04-15 Martin Wilhelm , Franz Freitag , Max Tzschoppe , Thilo Pionteck

Parametric analysis is a powerful tool for designing modern embedded systems, because it permits to explore the space of design parameters, and to check the robustness of the system with respect to variations of some uncontrollable…

分布式、并行与集群计算 · 计算机科学 2013-02-07 Youcheng Sun , Romain Soulat , Giuseppe Lipari , Étienne André , Laurent Fribourg

Scheduling with testing is a recent online problem within the framework of explorable uncertainty motivated by environments where some preliminary action can influence the duration of a task. Jobs have an unknown processing time that can be…

数据结构与算法 · 计算机科学 2021-08-20 Susanne Albers , Alexander Eckl

We introduce a novel adversarial model for scheduling with explorable uncertainty. In this model, the processing time of a job can potentially be reduced (by an a priori unknown amount) by testing the job. Testing a job $j$ takes one unit…

数据结构与算法 · 计算机科学 2020-05-15 Christoph Dürr , Thomas Erlebach , Nicole Megow , Julie Meißner

Embedded systems in safety-critical environments are continuously required to deliver more performance and functionality, while expected to provide verified safety guarantees. Nonetheless, platform-wide software verification (required for…

系统与控制 · 计算机科学 2017-05-09 Fardin Abdi , Renato Mancuso , Rohan Tabish , Marco Caccamo

Recent commercial hardware platforms for embedded real-time systems feature heterogeneous processing units and computing accelerators on the same System-on-Chip. When designing complex real-time application for such architectures, the…

操作系统 · 计算机科学 2019-01-10 Houssam-Eddine Zahaf , Nicola Capodieci , Roberto Cavicchioli , Marko Bertogna , Giuseppe Lipari

We present a federated, asynchronous, memory-limited algorithm for online task scheduling across large-scale networks of hundreds of workers. This is achieved through recent advancements in federated edge computing that unlocks the ability…

分布式、并行与集群计算 · 计算机科学 2021-04-29 Andreas Grammenos , Evangelia Kalyvianaki , Peter Pietzuch

Our goal is to provide a sufficient schedulability test -ideally polynomial- for the scheduling of Non-Cyclic Generalized Multiframe Task Model using Fixed-Task-Priority schedulers. We report two first results: (i) we present and prove…

操作系统 · 计算机科学 2011-10-27 Vandy Berten , Joël Goossens

Algorithms with predictions is a recent framework that has been used to overcome pessimistic worst-case bounds in incomplete information settings. In the context of scheduling, very recent work has leveraged machine-learned predictions to…

数据结构与算法 · 计算机科学 2022-12-08 Eric Balkanski , Tingting Ou , Clifford Stein , Hao-Ting Wei

We present a number of novel algorithms, based on mathematical optimization formulations, in order to solve a homogeneous multiprocessor scheduling problem, while minimizing the total energy consumption. In particular, for a system with a…

操作系统 · 计算机科学 2015-11-13 Mason Thammawichai , Eric C. Kerrigan

Scheduling is a critical part of practical computer systems, and scheduling has also been extensively studied from a theoretical perspective. Unfortunately, there is a gap between theory and practice, as the optimal scheduling policies…

性能 · 计算机科学 2021-10-25 Ziv Scully , Mor Harchol-Balter

Multi-mode real-time systems are those which support applications with different modes of operation, where each mode is characterized by a specific set of tasks. At run-time, such systems can, at any time, be requested to switch from its…

操作系统 · 计算机科学 2015-03-18 Vincent Nelis , Patrick Meumeu Yomsi , Björn Andersson , Joël Goossens

We consider a distributed computing network consisting of a master and multiple workers processing tasks of different types. The master is running multiple applications. Each application stochastically generates real-time jobs with a strict…

分布式、并行与集群计算 · 计算机科学 2020-01-31 Yu-Pin Hsu , Yu-Chih Huang , Shin-Lin Shieh

Intermediate-task transfer can benefit a wide range of NLP tasks with properly selected source datasets. However, it is computationally infeasible to experiment with all intermediate transfer combinations, making choosing a useful source…

计算与语言 · 计算机科学 2022-10-24 Wangchunshu Zhou , Canwen Xu , Julian McAuley