Modeling and Optimization of Parallel and Distributed Embedded Systems (Wiley - IEEE) by Arslan Munir & Ann Gordon-Ross & Sanjay Ranka

Author:Arslan Munir & Ann Gordon-Ross & Sanjay Ranka [Munir, Arslan]
Language: eng
Format: epub
ISBN: 9781119086390
Publisher: Wiley
Published: 2015-12-27T23:00:00+00:00

7.3.7.2 Dynamic Constitution

Dynamic constitution, an extension of dynamic redundancy, permits an arbitrary core on a chip to be a part of an NMR group, which increases dependability as compared to the static NMR configuration by scheduling around cores with permanent faults. For example, if an NMR group is statically constituted and the number of cores with permanent faults drops below the threshold to meet the application's reliability requirements, the remaining nonfaulty cores in the NMR group are rendered useless. Dynamic constitution can also be helpful in alleviating thermal constraints by preventing NMR hotspots [263].

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