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Received: 2008-11-19
Revision Accepted: 2009-04-23
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Low-cost fault tolerance in evolvable multiprocessor systems: a graceful degradation approach
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Shervin VAKILI, Sied Mehdi FAKHRAIE, Siamak MOHAMMADI, Ali AHMADI. Low-cost fault tolerance in evolvable multiprocessor systems: a graceful degradation approach[J]. Journal of Zhejiang University Science A, 2009, 10(6): 922-926.
@article{title="Low-cost fault tolerance in evolvable multiprocessor systems: a graceful degradation approach",
author="Shervin VAKILI, Sied Mehdi FAKHRAIE, Siamak MOHAMMADI, Ali AHMADI",
journal="Journal of Zhejiang University Science A",
volume="10",
number="6",
pages="922-926",
year="2009",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.A0820803"
}
%0 Journal Article
%T Low-cost fault tolerance in evolvable multiprocessor systems: a graceful degradation approach
%A Shervin VAKILI
%A Sied Mehdi FAKHRAIE
%A Siamak MOHAMMADI
%A Ali AHMADI
%J Journal of Zhejiang University SCIENCE A
%V 10
%N 6
%P 922-926
%@ 1673-565X
%D 2009
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A0820803
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T1 - Low-cost fault tolerance in evolvable multiprocessor systems: a graceful degradation approach
A1 - Shervin VAKILI
A1 - Sied Mehdi FAKHRAIE
A1 - Siamak MOHAMMADI
A1 - Ali AHMADI
J0 - Journal of Zhejiang University Science A
VL - 10
IS - 6
SP - 922
EP - 926
%@ 1673-565X
Y1 - 2009
PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.A0820803
Abstract: The evolvable multiprocessor (EvoMP), as a novel multiprocessor system-on-chip (MPSoC) machine with evolvable task decomposition and scheduling, claims a major feature of low-cost and efficient fault tolerance. Non-centralized control and adaptive distribution of the program among the available processors are two major capabilities of this platform, which remarkably help to achieve an efficient fault tolerance scheme. This letter presents the operational as well as architectural details of this fault tolerance scheme. In this method, when a processor becomes faulty, it will be eliminated of contribution in program execution in remaining run-time. This method also utilizes dynamic rescheduling capability of the system to achieve the maximum possible efficiency after processor reduction. The results confirm the efficiency and remarkable advantages of the proposed approach over common redundancy based techniques in similar systems.
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