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Fault-tolerant wormhole routing in mesh with overlapped solid fault regions |
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| Affiliation: | 1. Department of Microbiology, Faculty of Biology, Adam Mickiewicz University in Poznań, Poznań, Poland;2. European Center for Bioinformatics and Genomics, Institute of Bioorganic Chemistry, Polish Academy of Sciences, Poznan, Poland;3. Molecular Biology Techniques Laboratory, Faculty of Biology, Adam Mickiewicz University in Poznań, Poznań, Poland;1. CSIRO Land and Water, Ecosciences Precinct, 41 Boggo Road, Dutton Park, QLD, 4102, Australia;2. Sydney Water, 1 Smith Street, Parramatta, NSW, 2150, Australia |
| Abstract: | A fault-tolerant wormhole routing algorithm on mesh-connected processors is proposed. The proposed algorithm is based on the solid fault model and allows the fault polygons to be overlapped. The algorithm utilizes the position of fault region relative to the current channel to route a message around overlapped fault polygons. A node deactivating algorithm to convert a non-solid fault region into a solid fault region is also proposed. The proposed routing algorithm uses four virtual channels and is deadlock- and livelock-free. |
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