System-level power estimation and optimization
ISLPED '98 Proceedings of the 1998 international symposium on Low power electronics and design
Scheduling Algorithms for Multiprogramming in a Hard-Real-Time Environment
Journal of the ACM (JACM)
Design issues for dynamic voltage scaling
ISLPED '00 Proceedings of the 2000 international symposium on Low power electronics and design
Real-time dynamic voltage scaling for low-power embedded operating systems
SOSP '01 Proceedings of the eighteenth ACM symposium on Operating systems principles
The emerging power crisis in embedded processors: what can a poor compiler do?
CASES '01 Proceedings of the 2001 international conference on Compilers, architecture, and synthesis for embedded systems
A scheduling model for reduced CPU energy
FOCS '95 Proceedings of the 36th Annual Symposium on Foundations of Computer Science
Energy-Efficient Synthesis of Periodic Task Systems upon Identical Multiprocessor Platforms
ICDCS '04 Proceedings of the 24th International Conference on Distributed Computing Systems (ICDCS'04)
Energy-Efficient Policies for Request-Driven Soft Real-Time Systems
ECRTS '04 Proceedings of the 16th Euromicro Conference on Real-Time Systems
Practical PACE for embedded systems
Proceedings of the 4th ACM international conference on Embedded software
Design considerations for solar energy harvesting wireless embedded systems
IPSN '05 Proceedings of the 4th international symposium on Information processing in sensor networks
Perpetual environmentally powered sensor networks
IPSN '05 Proceedings of the 4th international symposium on Information processing in sensor networks
Energy-Efficient Real-Time Task Scheduling for a DVS System with a Non-DVS Processing Element
RTSS '06 Proceedings of the 27th IEEE International Real-Time Systems Symposium
System-Level Energy Management for Periodic Real-Time Tasks
RTSS '06 Proceedings of the 27th IEEE International Real-Time Systems Symposium
Power Management of Multicore Multiple Voltage Embedded Systems by Task Scheduling
ICPPW '07 Proceedings of the 2007 International Conference on Parallel Processing Workshops
Assessing task migration impact on embedded soft real-time streaming multimedia applications
EURASIP Journal on Embedded Systems - Operating System Support for Embedded Real-Time Applications
Introduction to Algorithms, Third Edition
Introduction to Algorithms, Third Edition
Practical Energy-Aware Scheduling for Real-Time Multiprocessor Systems
RTCSA '09 Proceedings of the 2009 15th IEEE International Conference on Embedded and Real-Time Computing Systems and Applications
A dynamic frequency scaling solution to DPM in embedded linux systems
IRI'09 Proceedings of the 10th IEEE international conference on Information Reuse & Integration
Evaluating the impact of task migration in multi-processor systems-on-chip
SBCCI '10 Proceedings of the 23rd symposium on Integrated circuits and system design
IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems
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In recent years, applications like multimedia, video and audio stream communications, 3D movies, to name a few, have spurred the proliferation of multiprocessor systems, particularly for real-time embedded systems. However, the complex architecture and heavy computing demands of such systems increase power consumption. Therefore, energy conservation has become a critical issue. In this paper, we propose a novel tasks scheduling algorithm for real-time multiprocessor systems. The algorithm works by reducing the workload in high speed processors with the aid of task migration so that the entire system can switch to low speed/low voltage as soon as it can reduce power consumption. The overhead of transitioning to low voltage is also analyzed and used as a criterion to determine whether the transition is beneficial. The effect of important parameters such as task granularity on the performance is also investigated, and simulation results based on realistic processor power consumption models are shown to be promising.