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Enhanced PSO Approach for Real Time Systems Scheduling

Medhat Awadalla, Abdullah Elewi
2016 Journal of clean energy technologies  
This paper addresses the problem of energy-aware static partitioning of periodic real time tasks on heterogeneous multiprocessor platforms.  ...  Systems as asymmetric multiprocessor platforms are considered power-efficient multiprocessor architectures, efficient task partitioning (assignment) and play a crucial role in achieving more energy efficiency  ...  His research interests include energy-aware real-time scheduling techniques, embedded systems and real-time operating systems. mobile processors are good example of these heterogeneous platforms.  ... 
doi:10.7763/ijcte.2016.v8.1059 fatcat:lh5icwybm5fs7crm5xpg4dox3u

Power Efficient Scheduling Scheme based on PSO for Real Time Systems

Medhat HAAwadalla
2015 International Journal of Computer Applications  
It addresses the problem of energy-aware static partitioning of periodic real time tasks on heterogeneous multiprocessor platforms.  ...  Power efficient design of real-time embedded systems based on multi-processors becomes more important as system functionality is increasingly realized through heuristic approaches.  ...  To handle real-time tasks on multiprocessor system, task utilization is considered instead of execution time and completion utilization is used.  ... 
doi:10.5120/19526-1157 fatcat:ht6m3m4a3vertiuyzoaoktv24e

Hybrid Scheduling Scheme for Real Time Systems

Medhat H A Awadalla
2016 INTERNATIONAL JOURNAL OF COMPUTERS & TECHNOLOGY  
This paper addresses the problem of energy-aware static partitioning of periodic real time tasks on heterogeneous multiprocessor platforms.  ...  Systems as asymmetric multiprocessor platforms are considered power-efficient multiprocessor architectures, efficient task partitioning (assignment) and play a crucial role in achieving more energy efficiency  ...  To handle real-time tasks on multiprocessor system, task utilization is considered instead of execution time and completion utilization is used.  ... 
doi:10.24297/ijct.v15i6.1584 fatcat:v6zdc5bdjzb5vccu73a4vrj6wm

Energy-Aware Task Partitioning on Heterogeneous Multiprocessor Platforms [article]

Elsayed Saad, Medhat Awadalla, Mohamed Shalan, Abdullah Elewi
2012 arXiv   pre-print
This paper addresses the problem of energy-aware static partitioning of periodic real-time tasks on heterogeneous multiprocessor platforms.  ...  The proposed approach aims to minimize the overall energy consumption, meanwhile avoid deadline violations. An energy-aware cost function is proposed to be considered in the proposed approach.  ...  To handle real-time tasks on multiprocessor system, task utilization is considered instead of execution time and completion utilization is used.  ... 
arXiv:1206.0396v1 fatcat:ngwwizk7gnfprjq266zlycwegy

Energy-aware Scheduling based Tasks dynamic Priority on Homogeneous Multiprocessor Platforms

Shahira M.
2018 International Journal of Computer Applications  
This paper, considered scheduling task set on homogeneous multiprocessor platforms using Dynamic Voltage and Frequency Scaling. Achieving minimal overall system energy consumption was our goal.  ...  Today the computation capability of modern computational systems increased. Multi-core processors achieve improved performance with lower power consumption.  ...  In practice, real-time partitioned scheduling for multi-core processor is NP-hard problem.  ... 
doi:10.5120/ijca2018916237 fatcat:jtlnkqxqqzaxdhfpbd7wibfqau

Power-Aware Real-Time Scheduling upon Dual CPU Type Multiprocessor Platforms [chapter]

Joël Goossens, Dragomir Milojevic, Vincent Nélis
2008 Lecture Notes in Computer Science  
Nowadays, most of the energy-aware real-time scheduling algorithms belong to the DVFS (Dynamic Voltage and Frequency Scaling) framework.  ...  We introduce a dual CPU type multiprocessor platform model (compatible with any general-purpose processor) and a non-DVFS associated methodology which considerably simplifies the energy-aware real-time  ...  Hence, the energy-aware real-time scheduling problem upon heterogeneous platforms has recently gained in interest in the real-time research domain.  ... 
doi:10.1007/978-3-540-92221-6_25 fatcat:swnec5vpvrcorlx5upbefpzibm

Machine Learning support Energy Aware Efficient Multiprocessors Mapping of Real Time tasks

Shahira M. Habashy
2019 Zenodo  
We show how lightweight ANNs can equip highly true performance predictions for a different set of applications thereby aiding to improve scheduling effectiveness.  ...  Comparing our ANN model throughput to other conventional schedulers shows comparable throughput with round robin schedulers.  ...  Energy Aware Neural Network Scheduling and Mapping Model (EANNSM) Multiprocessor real-time scheduling intent to implement a task set belong to an application, using the given multiprocessor system, such  ... 
doi:10.5281/zenodo.3252967 fatcat:vvopcz6rtrfifga6fvhogr4ivq

Power-Aware Real-Time Scheduling upon Identical Multiprocessor Platforms [article]

Vincent Nélis, Joël Goossens, Nicolas Navet, Raymond Devillers and Dragomir Milojevic
2008 arXiv   pre-print
In this paper, we address the power-aware scheduling of sporadic constrained-deadline hard real-time tasks using dynamic voltage scaling upon multiprocessor platforms.  ...  The second algorithm is an on-line and adaptive speed adjustment mechanism which reduces the energy consumption while the system is running.  ...  Conclusion In this paper, we proposed two approaches which reduce the energy consumption for real-time systems implemented upon multiprocessor platforms.  ... 
arXiv:0712.2958v2 fatcat:cizc4p76vnchteqx6feoo2o4we

Energy-aware scheduling for real-time multiprocessor systems with uncertain task execution time

Changjiu Xian, Yung-Hsiang Lu, Zhiyuan Li
2007 Proceedings - Design Automation Conference  
This paper presents an energy-aware method to schedule multiple real-time tasks in multiprocessor systems that support dynamic voltage scaling (DVS).  ...  We analyze the problem of energy-aware scheduling for multiprocessor with probabilistic workload information and derive its mathematical formulation.  ...  CONCLUSIONS This paper presents an energy-aware scheme for task partitioning in multiprocessor systems with uncertain workloads under hard real-time constraints.  ... 
doi:10.1145/1278480.1278648 dblp:conf/dac/XianLL07 fatcat:l54en3vw5vh4ncgxg2nsezfi6m

Energy-Aware Scheduling for Real-Time Multiprocessor Systems with Uncertain Task Execution Time

Changjiu Xian, Yung-Hsiang Lu, Zhiyuan Li
2007 Proceedings - Design Automation Conference  
This paper presents an energy-aware method to schedule multiple real-time tasks in multiprocessor systems that support dynamic voltage scaling (DVS).  ...  We analyze the problem of energy-aware scheduling for multiprocessor with probabilistic workload information and derive its mathematical formulation.  ...  CONCLUSIONS This paper presents an energy-aware scheme for task partitioning in multiprocessor systems with uncertain workloads under hard real-time constraints.  ... 
doi:10.1109/dac.2007.375248 fatcat:6zujbuuf3bchti2jt4jezlhbai

Network-aware, energy-conscious, fair service for real-time applications on multiprocessor SoC

Thidapat Chantem, X. Sharon Hu, Christian Poellabauer, Jun Yi, Liqiang Zhang
2010 ACM SIGBED Review  
Existing methods do not consider packet deadlines in conjunction with energy and real-time task performance, making it hard to predict system behavior.  ...  We present an energy-aware adaptive CPU scheduling algorithm to maximize the number of packet deadlines met in a fair manner and discuss future work.  ...  Finally, once all the above challenges have been addressed, we plan on evaluating our work against the work in [9] for uniprocessor architectures and against the stateof-the-art energy-aware algorithm  ... 
doi:10.1145/1851166.1851170 fatcat:7zzpuueydffynncivinmgydfsq

Power-Aware Real-Time Scheduling upon Identical Multiprocessor Platforms

Vincent N, Jo Goossens, Raymond Devillers, Dragomir Milojevic, Nicolas Navet
2008 2008 IEEE International Conference on Sensor Networks, Ubiquitous, and Trustworthy Computing (sutc 2008)  
In this paper, we address the power-aware scheduling of sporadic constrained-deadline hard real-time tasks using dynamic voltage scaling upon multiprocessor platforms.  ...  The second algorithm is an on-line and adaptive speed adjustment mechanism which reduces the energy consumption while the system is running.  ...  Conclusion In this paper, we proposed two approaches which reduce the energy consumption for real-time systems implemented upon multiprocessor platforms.  ... 
doi:10.1109/sutc.2008.31 dblp:conf/sutc/NelisGDMN08 fatcat:3brzjtqm4fdb5b22mcczvr2vii

A migration aware scheduling technique for real-time aperiodic tasks over multiprocessor systems

Ayaz Ali Khan, Abid Ali, Muhammad Zakarya, Rahim Khan, Mukhtaj Khan, Izaz Ur Rahman, Mohd Amiruddin Abd Rahman
2019 IEEE Access  
INDEX TERMS Real-time systems, multi-processor scheduling, energy consumption, performance, dynamic voltage and frequency scaling.  ...  Gradually, as maturity in a multiprocessor design had increased; their usage has become very common for real-time systems to execute both periodic and aperiodic tasks.  ...  This paper presents a real-time system scheduling technique that reduces both response time and energy consumption of the multiprocessor systems.  ... 
doi:10.1109/access.2019.2901411 fatcat:6woh7q7zfrfkvpf4hnj7q3lc6e

Guest Editors' Introduction: Special Section on Energy Efficient Computing

Mootaz Elnozahy, Rami Melhem
2012 IEEE transactions on computers  
In the paper "Synchronization-Aware Energy Management for VFI-based Multicore Real-Time Systems," the authors investigate scheduling real-time tasks on multicore processors with separate voltage and frequency  ...  This spectrum includes theory, systems, and practice papers, and encompasses different types of systems including high performance systems, servers, real-time systems, and mobile systems.  ...  In the paper "Synchronization-Aware Energy Management for VFI-based Multicore Real-Time Systems," the authors investigate scheduling real-time tasks on multicore processors with separate voltage and frequency  ... 
doi:10.1109/tc.2012.262 fatcat:3v4ej7z5enfadh7rn5fxqmvphy

Energy-Aware Real-Time Task Scheduling for Heterogeneous Multiprocessors with Particle Swarm Optimization Algorithm

Weizhe Zhang, Hucheng Xie, Boran Cao, Albert M. K. Cheng
2014 Mathematical Problems in Engineering  
In this paper, we first formulate and describe the energy-aware real-time task scheduling problem in heterogeneous multiprocessors.  ...  Then we propose a particle swarm optimization (PSO) based algorithm, which can successfully reduce the energy cost and the time for searching feasible solutions.  ...  Thus, the fitness function is defined as follows: fitness = dEC MaxEC . (4) Energy-Aware Real-Time Task Scheduling Problem for Heterogeneous Multiprocessors.  ... 
doi:10.1155/2014/287475 fatcat:p3bhh2rlizbdhle22vohiylbn4
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