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  4. A simple and efficient deadlock recovery scheme for wormhole routed 2-dimensional meshes
 
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A simple and efficient deadlock recovery scheme for wormhole routed 2-dimensional meshes

Resource
Dependable Computing, 1999. Proceedings. 1999 Pacific Rim International Symposium on
Journal
Pacific Rim International Symposium o Dependable Computing, 1999
Pages
-
Date Issued
1999-12
Date
1999-12
Author(s)
Wang, Shih-Chang
Lin, Hung-Yau
Kuo, Sy-Yen  
Huang, Yennun
DOI
10.1109/PRDC.1999.816231
DOI
N/A
URI
http://ntur.lib.ntu.edu.tw//handle/246246/2007041910021593
https://www.scopus.com/inward/record.uri?eid=2-s2.0-0010117075&doi=10.1109%2fPRDC.1999.816231&partnerID=40&md5=ffe595daa30f9516c1f2c1e5e20ec90a
Abstract
In order to avoid deadlocks, prevention-based routing algorithms impose certain routing restrictions which lead to high hardware complexity or low adaptability. If deadlock occurrences are extremely rare, recovery-based routing algorithms become more attractive with respect to hardware complexity and routing adaptability. A simple architecture where each router is provided with an additional special flit buffer was developed to achieving deadlock recovery. Disha-SEQ and Disha-CON are two deadlock recovery schemes based on such an architecture to accomplish sequential recovery and concurrent recovery, respectively. In this paper, we propose a simple recovery scheme for a 2D mesh with the same router architecture, and reduce drawbacks in Disha-SEQ or Disha-CON, such as hardwired tokens, finding the Hamiltonian cycle, Hamiltonian path labeling for each node, and non-minimal path routing. Moreover, the simulation results show that the proposed scheme has a similar performance to Disha-CON and is better than Disha-SEQ. © 1999 IEEE.
Other Subjects
Computer architecture; Hamiltonians; Hardware; Network architecture; 2d meshes; Deadlock recovery; Hamiltonian cycle; Hamiltonian path; Hardware complexity; Minimal path; Recovery scheme; Router architecture; Recovery
Type
conference paper
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