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Adaptive virtual cut-through as a viable routing method

Title
Adaptive virtual cut-through as a viable routing method
Authors
Kim, HWLee, HSLee, SKim, J
POSTECH Authors
Lee, SKim, J
Date Issued
Jan-1998
Publisher
ACADEMIC PRESS INC
Abstract
Adaptive virtual cut-through is considered as a viable alternative to wormhole switching for fast and hardware-efficient interprocessor communication in multicomputers. Computer simulations are used to show that our implementation of a minimal-path fully-adaptive virtual cut-through algorithm outperforms both deterministic and adaptive wormhole switching methods under both uniform random message distributions and clustered distributions such as the matrix transpose. A hardware-efficient implementation of adaptive virtual cut-through has been implemented using a semi-custom-designed router chip that requires only 2.3% mon area than a comparable deterministic wormhole router chip. A network interface controller chip, which is crucial to our adaptive virtual cut-through method, has also been designed and is under fabrication. (C) 1998 Academic Press, Inc.
Keywords
virtual cut-through; wormhole switching; circuit switching; multicomputer; direct interconnection network; VLSI design; FLOW-CONTROL; NETWORKS
URI
http://oasis.postech.ac.kr/handle/2014.oak/20684
ISSN
0743-7315
Article Type
Article
Citation
JOURNAL OF PARALLEL AND DISTRIBUTED COMPUTING, vol. 52, no. 1, page. 82 - 95, 1998-01
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 LEE, SUNG GU
Dept of Electrical Enginrg
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