Reliability-aware schedule of periodic tasks in energy-constrained real-time systems |
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| Authors: | LUO Jun LIU Yong-feng and FU Li |
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| Institution: | Key Laboratory for Opto-electronic Technology & System, Ministry of Education,Chongqing University,Chongqing 400044,P. R. China;Key Laboratory for Opto-electronic Technology & System, Ministry of Education,Chongqing University,Chongqing 400044,P. R. China;Key Laboratory for Opto-electronic Technology & System, Ministry of Education,Chongqing University,Chongqing 400044,P. R. China |
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| Abstract: | The Dynamic Voltage Scaling(DVS)technology which is widely used in numerous energy management schedule has negative effect on system reliability. Based on the artificial bee colony algorithm (ABC), two noble reliability-aware schedule algorithms are proposed for DVS systems with discrete frequencies, which will meet the energy constraint and deadline naturally while maximize the reliability of the system. The simulation results indicate that the dynamic schedule algorithm outperforms the static schedule algorithm, and its performance is close to that of the optimal scheduler that knows the exact workload in advance. |
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| Keywords: | real-time system energy management reliability artificial bee colony algorithm |
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