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Proactive Speed Scheduling for Real-Time Tasks under Thermal Constraints

Jian-Jia Chen, Shengquan Wang, Lothar Thiele
2009 2009 15th IEEE Real-Time and Embedded Technology and Applications Symposium  
Our objective is to design speed schedulers for real-time tasks by utilizing dynamic voltage/speed scaling to meet both timing and thermal constraints.  ...  This research studies thermal-constrained scheduling for frame-based real-time tasks on a dynamic voltage/speed scaling system.  ...  Specifically, we develop proactive speed scheduling by utilizing DVS for real-time tasks under the thermal and timing constraints.  ... 
doi:10.1109/rtas.2009.30 dblp:conf/rtas/ChenWT09 fatcat:bvij4wnmabgetc7oaxp3nrneci

Energy-Efficient Speed Scheduling for Real-Time Tasks under Thermal Constraints

Shengquan Wang, Jian-Jia Chen, Zhenjun Shi, Lothar Thiele
2009 2009 15th IEEE International Conference on Embedded and Real-Time Computing Systems and Applications  
We develop energy-efficient speed scheduling schemes for frame-based real-time tasks under thermal constraints.  ...  This paper explores dynamic thermal management to minimize the energy consumption for a specified computing demand under the thermal constraint.  ...  [8] developed proactive speed control to adapt dynamic speeds for different temperature for scheduling real-time tasks.  ... 
doi:10.1109/rtcsa.2009.29 dblp:conf/rtcsa/WangCST09 fatcat:xdgeugdd2bfy3ge4tdaiez7fg4

Reactive speed control in temperature-constrained real-time systems

Shengquan Wang, Riccardo Bettati
2007 Real-time systems  
In this paper, we study temperature-constrained realtime systems, where real-time guarantees must be met without exceeding safe temperature levels within the processor.  ...  We give a short review on temperature issues in processors and describe how speed control can be used to trade-off task delays against processor temperature.  ...  Acknowledgment This work is being funded by the National Science Foundation under Grant CNS-0509483.  ... 
doi:10.1007/s11241-007-9046-x fatcat:5np5vi2a6zchhirmcryvigoti4

Minimizing peak temperature in embedded real-time systems via thermal-aware periodic resources

Masud Ahmed, Nathan Fisher, Shengquan Wang, Pradeep Hettiarachchi
2011 Sustainable Computing: Informatics and Systems  
Over the years, thermal-aware designs have become a prominent research issue for real-time application development.  ...  For this model, polynomial-time algorithms are proposed to determine the lowest processing time (i.e., bandwidth) in periodic intervals with the minimum peak temperature for a specified sporadic task system  ...  Acknowledgements We are sincerely thankful to the reviewers for the detailed comments, corrections, and insightful directions which helped us to improve the quality of the article.  ... 
doi:10.1016/j.suscom.2011.05.006 fatcat:vkfhwbm625cgzfdv6xgy6pclf4

Predicting thermal behavior for temperature management in time-critical multicore systems

Buyoung Yun, K. G. Shin, Shige Wang
2013 2013 IEEE 19th Real-Time and Embedded Technology and Applications Symposium (RTAS)  
cooling without violating applications timing constraints.  ...  In this paper, we propose models of efficiently estimating multi-core chip temperature while accounting for the system dynamics in real time.  ...  [2] proposed a proactive real-time scheduling algorithm on a uniprocessor that minimizes the job completion times under the maximal thermal constraints, or minimizes the temperature under both the timing  ... 
doi:10.1109/rtas.2013.6531091 dblp:conf/rtas/YunSW13 fatcat:lkjunoa6zvb6lmw3rppbnz4a7u

Delay Analysis in Temperature-Constrained Hard Real-Time Systems with General Task Arrivals

Shengquan Wang, Riccardo Bettati
2006 2006 27th IEEE International Real-Time Systems Symposium (RTSS'06)  
We design a methodology to perform delay analysis for general task arrivals under reactive speed control with First-In-First-Out (FIFO) scheduling and Static-Priority (SP) scheduling.  ...  In this paper, we study temperature-constrained hard realtime systems, where real-time guarantees must be met without exceeding safe temperature levels within the processor.  ...  In this paper we describe delay analysis techniques in temperatureconstrained hard real-time systems, where deadline constraints for tasks have to be balanced against temperature constraints of the system  ... 
doi:10.1109/rtss.2006.16 dblp:conf/rtss/WangB06 fatcat:m6hxnuxhrfd3zoa4gaamoxb6ly

Response Time Analysis for Thermal-Aware Real-Time Systems under Fixed-Priority Scheduling

Younes Chandarli, Nathan Fisher, Damien Masson
2015 2015 IEEE 18th International Symposium on Real-Time Distributed Computing  
This paper investigates schedulability analysis for thermal-aware realtime systems.  ...  We prove its optimality for non-concrete 1 fixed-priority task sets and propose a responsetime analysis based on worst-case response-time upper bounds.  ...  Knowing that static fixed-priority scheduling is highly used in industry, it deserves more attention and effort to study the fixed-priority real-time scheduling under thermal constraints.  ... 
doi:10.1109/isorc.2015.34 dblp:conf/isorc/ChandarliFM15 fatcat:wxmnd7wh7zfwjfdlzk46rpv3ei

Schedulability analysis in hard real-time systems under thermal constraints

Shengquan Wang, Youngwoo Ahn, Riccardo Bettati
2010 Real-time systems  
We design an extended busy-period analysis methodology to perform schedulability analysis for general task arrivals under reactive speed control with First-In-First-Out (FIFO), Static-Priority (SP), and  ...  In this paper, we study thermal-constrained hard real-time systems, where real-time guarantees must be met without exceeding safe temperature levels within the processor.  ...  In this paper we describe schedulability analysis techniques in thermally-constrained hard real-time systems, where deadline constraints for tasks have to be balanced against temperature constraints of  ... 
doi:10.1007/s11241-010-9104-7 fatcat:2cbapy4xbzagla4dzwlqndgimq

Thermal-aware semi-dynamic power management for multicore systems with energy harvesting

Yi Xiang, S. Pasricha
2013 International Symposium on Quality Electronic Design (ISQED)  
In this paper, we focus on power and thermal management for multicore embedded systems with solar energy harvesting as the power source and a periodic hard real-time task set as the workload.  ...  By rejecting job instances of certain tasks until the next rescheduling point, our scheduler dispatches a subset of tasks that comply with the predicted energy budget and thermal conditions.  ...  is its execution time under by its period, ⁄ The utilization for a task set is simp tasks' utilizations.  ... 
doi:10.1109/isqed.2013.6523675 dblp:conf/isqed/XiangP13 fatcat:d7w2ggmz6bg5rpwbljqtdtyyhi

Leakage Aware Scheduling on Maximum Temperature Minimization for Periodic Hard Real-Time Systems

Vivek Chaturvedi, Huang Huang, Gang Quan
2010 2010 10th IEEE International Conference on Computer and Information Technology  
, that can reduce the peak temperature of a system when executing a hard real-time periodic task set.  ...  In this paper, we incorporate the leakage/temperature dependency as well as the nonnegligible transition overhead into analysis and present a novel real-time speed scheduling algorithm, namely M-Oscillating  ...  The proactive scheduling method introduced in Ref. 12 intends to minimize the task response time under the given maximum temperature constraint.  ... 
doi:10.1109/cit.2010.312 dblp:conf/IEEEcit/ChaturvediHQ10 fatcat:cnr5snxbjvcjfj2vvgejvkurka

Leakage Aware Scheduling on Maximum Temperature Minimization for Periodic Hard Real-Time Systems

Huang Huang, Vivek Chaturvedi, Guanglei Liu, Gang Quan
2012 Journal of Low Power Electronics  
, that can reduce the peak temperature of a system when executing a hard real-time periodic task set.  ...  In this paper, we incorporate the leakage/temperature dependency as well as the nonnegligible transition overhead into analysis and present a novel real-time speed scheduling algorithm, namely M-Oscillating  ...  The proactive scheduling method introduced in Ref. 12 intends to minimize the task response time under the given maximum temperature constraint.  ... 
doi:10.1166/jolpe.2012.1200 fatcat:ux5jqekiqbhtloa5rpwaujsjnm

Thermal-Aware Global Real-Time Scheduling on Multicore Systems

Nathan Fisher, Jian-Jia Chen, Shengquan Wang, Lothar Thiele
2009 2009 15th IEEE Real-Time and Embedded Technology and Applications Symposium  
This paper explores thermal-aware scheduling for sporadic real-time tasks to minimize the peak temperature in a homogeneous multicore system.  ...  Applying partitioned scheduling for real-time tasks in a multicore environment is often too conservative.  ...  In real-time systems, thermal-aware scheduling aims to maintain safe temperature levels or minimize the peak tem-perature for processors without violating timing constraints for real-time tasks.  ... 
doi:10.1109/rtas.2009.34 dblp:conf/rtas/FisherCWT09 fatcat:osek4tcxgbczzbxykjl5g4suyi

On-Line Predictive Thermal Management Under Peak Temperature Constraints for Practical Multi-Core Platforms

Guanglei Liu, Ming Fan, Gang Quan, Meikang Qiu
2012 Journal of Low Power Electronics  
The power and thermal issues have become one of the major design challenges for the development of modern computing systems.  ...  Developing an effective Dynamic thermal management algorithm for the practical multi-core computing system to deliver maximal throughput without encountering temperature emergencies becomes highly demanded  ...  [5] proposed one methodology to run real-time tasks by frequently switching between the two speeds which are neighboring to the constant speed whose stable temperature is the given peak temperature  ... 
doi:10.1166/jolpe.2012.1216 fatcat:bfiha2lparf73nd7te6rx76vle

Energy Saving Approaches for Scheduling on Parallel Systems: A Review

Sunita Kushwaha, Sanjay Kumar
2016 International Journal of Computer Applications  
Scheduling is a method by which task accesses the resources of the parallel system. It is efficient to choose such a method by which one can get optimum schedule length with less energy consumption.  ...  One of them is scheduling. Scheduling is frequently required in parallel systems (Distributed System, Embedded System and Multi -core System).  ...  Therefore, minimizing schedule length with energy consumption is used in real time system while other system used minimizing energy consumption constraint with schedule length constraint where deadline  ... 
doi:10.5120/ijca2016911798 fatcat:qwvt2inypnh6nbvf7rshf5sa3y

Thermal-Aware Schedulability Analysis for Fixed-Priority Non-preemptive Real-Time Systems

Javier Perez Rodriguez, Patrick Meumeu Yomsi
2019 2019 IEEE Real-Time Systems Symposium (RTSS)  
In this paper, we address the scheduling problem of non-preemptive periodic tasks on a single processor platform under thermal-aware design.  ...  In this paper, we address the scheduling problem of non preemptive periodic tasks on a single processor platform under thermal-aware design.  ...  Finally, we are grateful to the anonymous reviewers for their constructive input. Their comments and suggestions have greatly improved this manuscript.  ... 
doi:10.1109/rtss46320.2019.00024 dblp:conf/rtss/Perez-Rodriguez19 fatcat:ippymtxzebhb5pg5b7o4ajiuha
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