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A generative approach to building a framework for hard real-time applications

by Irfan Hamid, Bechir Zalila, Elie Najm, Jérôme Hugues - In 31st Annual NASA Goddard Software Engineering Workshop , 2007
"... The communication and tasking infrastructure of a real-time application makes up a significant portion of any em-bedded control system. Traditionally, the tasking and com-munication constructs are provided by an RTOS. We present an approach to automatically generate a robust framework for a single-n ..."
Abstract - Cited by 2 (1 self) - Add to MetaCart
The communication and tasking infrastructure of a real-time application makes up a significant portion of any em-bedded control system. Traditionally, the tasking and com-munication constructs are provided by an RTOS. We present an approach to automatically generate a robust framework for a single

Some investigations on FCFS scheduling in hard real-time applications

by U Schmid, J Blieberger - J. Comput. System Sci , 1991
"... We investigate some real time behaviour of a (discrete time) single server system with FCFS task scheduling. The main results deal with the probability distribution of a random variable SRD(T), which describes the time the system operates without violating a fixed task service time deadline T. The t ..."
Abstract - Cited by 3 (1 self) - Add to MetaCart
We investigate some real time behaviour of a (discrete time) single server system with FCFS task scheduling. The main results deal with the probability distribution of a random variable SRD(T), which describes the time the system operates without violating a fixed task service time deadline T

Using Lock-Free Objects in Hard Real-Time Applications

by James H. Anderson, Srikanth Ramamurthy
"... Lock-based approaches to object sharing are the accepted means of interprocess communication in realtime systems. The main problem that arises under such approaches is that of priority inversion, i.e., the situation in which a given task1 waits on another task of lower priority to exit a critical se ..."
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of a task holding a semaphore is at least that of the highest-priority taskthatlocks that semaphore. In [1], we propose using lock-free objects as an alternative for object sharing in real-time systems. Lock-free

parMERASA – multicore execution of parallelised hard real-time applications supporting analysability

by T Ungerer , C Bradatsch , M Gerdes , F Kluge , R Jahr , J Mische , J Fernandes , P G Zaykov , Z Petrov , B Böddeker , S Kehr , H Regler , A Hugl , C Rochange , H Ozaktas , H Cassé , A Bonenfant , P Sainrat , I Broster , N Lay , D George , E Quiñones , M Panic , J Abella , F Cazorla , S Uhrig , M Rohde , A Pyka - in 2013 Euromicro Conference on Digital System Design (DSD), 2013
"... Abstract-Engineers who design hard real-time embedded systems express a need for several times the performance available today while keeping safety as major criterion. A breakthrough in performance is expected by parallelizing hard real-time applications and running them on an embedded multi-core p ..."
Abstract - Cited by 2 (1 self) - Add to MetaCart
Abstract-Engineers who design hard real-time embedded systems express a need for several times the performance available today while keeping safety as major criterion. A breakthrough in performance is expected by parallelizing hard real-time applications and running them on an embedded multi

A Profile-Based Energy-Efficient Intra-Task Voltage Scheduling Algorithm for Hard Real-Time Applications

by Dongkun Shin, Jihong Kim - In Proceedings of the International Symposium on Low-Power Electronics and Design , 2001
"... Intra-task voltage scheduling (IntraVS), which adjusts the supply voltage within an individual task boundary, is an effective technique for developing low-power applications. In this paper, we propose a novel intra-task voltage scheduling algorithm for hard real-time applications based on average-ca ..."
Abstract - Cited by 26 (4 self) - Add to MetaCart
Intra-task voltage scheduling (IntraVS), which adjusts the supply voltage within an individual task boundary, is an effective technique for developing low-power applications. In this paper, we propose a novel intra-task voltage scheduling algorithm for hard real-time applications based on average

A Flexible Run-time Support for Distributed Dependable Hard Real-time Applications

by Emmanuelle Anceaume, Gilbert Cabillic, Pascal Chevochot, Isabelle Puaut - In Proceedings of the 2nd International Symposium on Object-oriented Real-time distributed Computing , 1999
"... Typically, most distributed, dependable, real-time systems designed in the past can only meet the particular requirements of the application domain to which they were targeted. This approach led to specific, non-flexible, dedicated and non-reusable solutions, often based on specialized hardware. Thi ..."
Abstract - Cited by 7 (7 self) - Add to MetaCart
. This paper presents an alternative approach where a flexible run-time support for distributed dependable hard real-time applications is built on top of off-theshelf hardware. This support has been designed by considering three fundamental and complementary aspects: realtime, to support applications

Impact of Power-Management Granularity on The Energy-Quality Trade-off for Soft And Hard Real-Time Applications

by Aleksandar Milutinović, Kees Goossens, Gerard J. M. Smit
"... Abstract — In this paper we introduce the concepts of work of tokens (e.g. video frames) in an application, and slack arising from variations in work. Slack is used for dynamic voltage and frequency scaling in combination with a conservative power-management policy that never misses deadlines, for h ..."
Abstract - Cited by 2 (2 self) - Add to MetaCart
, for hard real-time applications, and with a nonconservative policy for soft real-time applications. We evaluate both policies for a number of different granularities (frequency of activation of the power manager) on an MPEG4 application, on energy and quality (deadline misses). We conclude that for soft

HADES: A distributed System for Dependable Hard Real-Time Applications Built from COTS Components

by Pascal Chevochot, Isabelle Puaut, I. Puaut, Antoine Colin, David Decotigny, Michel Banatre, Gilbert Cabillic, A. Colin, Decotigny M. Bantre, Projet Solidor , 2000
"... Most dependable embedded real-time systems designed in the past have been specialized to meet the specific requirements of the application domain for which they were targeted, leading to inflexible and often hardware-intensive solutions that are costly to design and maintain. This paper is devoted t ..."
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to the description of Hades, a software infrastructure to develop and execute distributed dependable hard real-time applications. For economic and maintainability reasons, this infrastructure is based entirely on Commercial Off-The-Shelf (COTS) components (motherboard, network and real-time kernel). The Hades run-time

Timing analysis of mixed-criticality hard real-time applications implemented on distributed partitioned architectures

by Sorin Ovidiu Marinescu, Vlad Acretoaie, Paul Pop - In 17th IEEE International Conference on Emerging Technologies and Factory Automation , 2012
"... In this paper we are interested in the timing anal-ysis of mixed-criticality embedded real-time applications mapped on distributed heterogeneous architectures. Mixed-criticality tasks can be integrated onto the same architec-ture only if there is enough spatial and temporal separa-tion among them. W ..."
Abstract - Cited by 3 (2 self) - Add to MetaCart
In this paper we are interested in the timing anal-ysis of mixed-criticality embedded real-time applications mapped on distributed heterogeneous architectures. Mixed-criticality tasks can be integrated onto the same architec-ture only if there is enough spatial and temporal separa-tion among them

Profile-Based Optimal IntraTask Voltage Scheduling for Hard Real-Time Applications

by Jaewon Seo, Taewhan Kim, Ki-seok Chung , 2004
"... This paper presents a set of comprehensive techniques for the intratask voltage scheduling problem to reduce energy consumption in hard real-time tasks of embedded systems. Based on the execution profile of the task, a voltage scheduling technique that optimally determines the operating voltages to ..."
Abstract - Cited by 14 (2 self) - Add to MetaCart
This paper presents a set of comprehensive techniques for the intratask voltage scheduling problem to reduce energy consumption in hard real-time tasks of embedded systems. Based on the execution profile of the task, a voltage scheduling technique that optimally determines the operating voltages
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