Filters








98,039 Hits in 6.7 sec

Demand-based schedulability analysis for real-time multi-core scheduling

Jinkyu Lee, Insik Shin
2014 Journal of Systems and Software  
until Zero-Laxity) and LLF (Least Laxity First), which are known to be effective for real-time multi-core scheduling.  ...  However, such a potential is not yet fully realized for real-time multi-core scheduling mainly due to (i) the difficulty of calculating the resource demand under dynamic priority scheduling algorithms  ...  For tighter schedulability analysis on multi-cores, we focus on the demand-based schedulability analysis method (Baruah, 2007) .  ... 
doi:10.1016/j.jss.2013.09.029 fatcat:ukqvwofzyjgwdavogb7qs3usaq

A Multicore Processor based Real-Time System for Automobile management application [article]

Vaidehi. M., T.R. Gopalakrishnan Nair
2010 arXiv   pre-print
The industry available real time operating system is used for scheduling various tasks and jobs on the multicore processor.  ...  The modeling of the automobile tasks with real time commitments, organizing appropriate scheduling for various real time tasks and the usage of a multicore processor enables the system to realize higher  ...  Total Engineering, Analysis and Manufacturing Technologies 3-8PAGES A Multicore Processor based Real-Time System for Automobile management application.  ... 
arXiv:1001.3716v1 fatcat:ntbk4yajljhsvnmihrygqye4rm

Combining Dataflow Applications and Real-time Task Sets on Multi-core Platforms

Hazem Ismail Ali, Benny Akesson, Luís Miguel Pinho
2017 Proceedings of the 20th International Workshop on Software and Compilers for Embedded Systems - SCOPES '17  
Future real-time embedded systems will increasingly incorporate mixed application models with timing constraints running on the same multi-core platform.  ...  ABSTRACT Future real-time embedded systems will increasingly incorporate mixed application models with timing constraints running on the same multi-core platform.  ...  ACKNOWLEDGMENTS This work was partially supported by National Funds through FCT/MEC (Portuguese Foundation for Science and Technology), under PhD grant SFRH/BD/79872/2011 and co-nanced by ERDF (European  ... 
doi:10.1145/3078659.3078671 dblp:conf/scopes/AliAP17 fatcat:oymbuo6iingi7h4umlndt4npue

Work-in-Progress: Design-Space Exploration of Multi-Core Processors for Safety-Critical Real-Time Systems

Dolly Sapra, Sebastian Altmeyer
2017 2017 IEEE Real-Time Systems Symposium (RTSS)  
The automated exploration builds upon Mulitcore Response Time Analysis for timing verification and multicube for heuristic search methods.  ...  Multi-core architectures provide better computational abilities, but at the same time complicate the computation of timing bounds.  ...  In this paper, we sketch a design-space exploration for safety-critical real-time multi-core systems.  ... 
doi:10.1109/rtss.2017.00040 dblp:conf/rtss/SapraA17 fatcat:l4mfonc4ezgoliwsc5nso3mczu

Multi-core composability in the face of memory-bus contention

Moris Behnam, Rafia Inam, Thomas Nolte, Mikael Sjödin
2013 ACM SIGBED Review  
We evaluate existing work for achieving real-time predictability on multi-cores and illustrate their lack with respect to composability.  ...  To address composability we present a multi-resource server-based scheduling technique to provide predictable performance when composing multiple subsystems on a shared multi-core platform.  ...  [14] where they provide a response-time analysis for COTS based multi-core systems and they solve the problem of interleaving cache effects by using non-preemptive task scheduling.  ... 
doi:10.1145/2544350.2544354 fatcat:wzsko7qqhjd67kmpoiiuentqyy

Higher Utilization of Multi-Core Processors in Dynamic Real-Time Software Systems

Thomas Hanti
2013 International Journal of Electrical Energy  
Our paper will present the design of a new scheduling approach, the Hierarchical Asynchronous Multi-Core Scheduler (HAMS), for real-time Electronic Control Units.  ...  In order to provide the necessary calculating power, more and more multi-core processors will be used in Embedded Electronic Control Units.  ...  In order to further optimize the usage of the embedded real-time multi-core systems we propose a new approach in multi-core real-time scheduling.  ... 
doi:10.12720/ijoee.1.4.249-255 fatcat:j646372wjffkfmx5shhukpkri4

A Survey of Timing Verification Techniques for Multi-Core Real-Time Systems

Claire Maiza, Hamza Rihani, Juan M. Rivas, Joël Goossens, Sebastian Altmeyer, Robert I. Davis
2019 ACM Computing Surveys  
This survey provides an overview of the scientiic literature on timing veriication techniques for multi-core real-time systems.  ...  The survey highlights the key issues involved in providing guarantees of timing correctness for multi-core systems.  ...  research on analysis of NoCs.  ... 
doi:10.1145/3323212 fatcat:mn6xmduiyjfgzhemn5s2lmfgje

Multicore partitioned systems based on hypervisor

A. Crespo, M. Masmano, J. Coronel, S. Peiró, P. Balbastre, J. Simó
2014 IFAC Proceedings Volumes  
The paper analyse the design and implementation of XtratuM for multi-core and details a performance analysis to determine the overheads incurred by the virtualization layer and presents some results when  ...  In this paper, we present a multi-core hypervisor for mixed-criticality applications as one of the results of the MultiPARTES project.  ...  A multi-core partition can allocate a thread to core under a cyclic scheduling and other thread to a core under a priority based schedule. • Real CPUs can be scheduled under different scheduling policies  ... 
doi:10.3182/20140824-6-za-1003.02410 fatcat:j7y4a67p3zfxtlfdx2s4cneciq

Performance Preservation Using Servers for Predictable Execution and Integration

Rafia Inam
2014 2014 IEEE 38th Annual Computer Software and Applications Conference  
Further, we provide the schedulability analysis for MRS to provide predictable performance when composing multiple components on a shared multi-core platform.  ...  Proof-of-concept case studies executed on an AVR based 32-bit micro-controller demonstrates the preserving of real-time properties within components for predictable integration and reusability in a new  ...  Secondly, to analyze that the multi-resource servers provide composable hierarchical scheduling on multi-core platforms, we extend traditional schedulabity analysis for the multiresource server.  ... 
doi:10.1109/compsac.2014.42 dblp:conf/compsac/Inam14 fatcat:hjjtqjlcajgabm74pm4ioa5v7i

A Real-Time Scheduling Framework Based on Multi-core Dynamic Partitioning in Virtualized Environment [chapter]

Song Wu, Like Zhou, Danqing Fu, Hai Jin, Xuanhua Shi
2014 Lecture Notes in Computer Science  
Aiming at these problems, this paper presents a real-time scheduling framework based on multi-core dynamic partitioning.  ...  Conclusion In this paper, we present a real-time scheduling framework based on multi-core dynamic partitioning in virtualized environment.  ... 
doi:10.1007/978-3-662-44917-2_17 fatcat:pw3emmuamvhlhnjylhlxxndtxq

Compositional schedulability analysis for cyber-physical systems

Arvind Easwaran, Insup Lee
2008 ACM SIGBED Review  
It is desirable that these systems operate correctly, efficiently and in real-time. Composition for CPSs.  ...  Component-based engineering, which involves compositional system modeling and analysis, is widely used for this purpose.  ...  Component-based real-time CPSs often involve hierarchical scheduling frameworks that support resource sharing among components under different scheduling algorithms.  ... 
doi:10.1145/1366283.1366289 fatcat:hywzwhku5bferg4soqottdirbu

SPARTS: Simulator for Power Aware and Real-Time Systems

Borislav Nikolic, Muhammad Ali Awan, Stefan M. Petters
2011 2011IEEE 10th International Conference on Trust, Security and Privacy in Computing and Communications  
Additionally, efficient scheduling algorithms, as proven through analyses and simulations, often impose requirements that have significant run-time cost, specially in the context of multi-core systems.  ...  Additionally, efficient scheduling algorithms, as proven through analyses and simulations, often impose requirements that have significant run-time cost, specially in the context of multi-core systems.  ...  The EE can easily be extended for multi-core scheduling algorithms.  ... 
doi:10.1109/trustcom.2011.137 dblp:conf/trustcom/NikolicAP11 fatcat:ge2izz4gxvgmzliaajqborv5oq

A Survey on Scheduling Approaches for Hard Real-Time Systems

Mehrin Rouhifar, Reza Ravanmehr
2015 International Journal of Computer Applications  
In this paper, main scheduling algorithms for hard real-time systems (RTSs) have been investigated that include both uni and multi processors schemes.  ...  Finally, the analysis and evaluation of the mentioned methods are shown based on the schedulability of task sets and efficiency.  ...  For memory-centric real-time scheduling using PREM (PRedictable Execution Model), is assumed the hard real-time system is scheduled on partitioned multi-core platform which tasks are statically allocated  ... 
doi:10.5120/ijca2015907656 fatcat:na7u3dgqsjhphl253ecd22jkau

Multiprocessor Scheduling meets the Industrial Wireless

Miguel Gutiérrez-Gaitán, Patrick Meumeu Yomsi
2019 U Porto Journal of Engineering  
This survey covers schedulability analysis approaches that have been recently proposed for multi-hop and multi-channel wireless sensor and actuator networks in the industrial control process domain.  ...  The paper address the mapping of multi-channel transmission scheduling to multiprocessor scheduling theory, and recognize it as the key aspect of the research direction covered by this survey.  ...  Acknowledgments This work was partially supported by National Funds through FCT/MCTES (Portuguese Foundation for Science and Technology), within the CISTER Research Unit (UID/CEC/04234).  ... 
doi:10.24840/2183-6493_005.001_0005 fatcat:5bggoajd2vgf5amzah3ygxmp7a

Parallelism-Aware Memory Interference Delay Analysis for COTS Multicore Systems

Heechul Yun, Rodolfo Pellizzon, Prathap Kumar Valsan
2015 2015 27th Euromicro Conference on Real-Time Systems  
"Bounding Memory Interference Delay in COTS-based Multi-Core Systems," RTAS'14  ...  -Delay analysis • Evaluation • Conclusion 16 System Model • Task -Solo execution time C -Memory demand (#of LLC misses): H • Core Delay Analysis • Goal -Compute the worst-case memory  ... 
doi:10.1109/ecrts.2015.24 dblp:conf/ecrts/YunPV15 fatcat:jplxqtxrjvhvtnaojn56rtxbti
« Previous Showing results 1 — 15 out of 98,039 results