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Content Provider | IEEE Xplore Digital Library |
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Author | Xiaotong Zhuang Liberatore, V. |
Copyright Year | 2002 |
Description | Author affiliation: Coll. of Comput., Georgia Inst. of Technol., Atlanta, GA, USA (Xiaotong Zhuang) |
Abstract | A novel broadcast technique for wormhole-routed mesh and torus parallel computers based on recursion is presented. It works by partitioning the graph into several subgraphs similar to the original one, and identifying a characteristic low-dimensional subgraph from these subgraphs. The source message is first scattered in the characteristic low-dimensional subgraph of the original graph, then through a O(1) number of message transfer and sharing operations, the characteristic low-dimensional subgraphs in each subgraph get the full source message. This procedure continues recursively until the minimum subgraph (a single node) gets all the source message. We have applied this general paradigm to several different cases including the one port/all-port model in mesh/torus with 2 or higher dimension. The network topology can be square or nonsquare, the source node can be located in the corner or not. Comparing to the previous results, our paradigm reduces broadcast latency and is simpler. We also present an analytical comparison of the algorithm against the optimum. |
Sponsorship | IEEE Comput. Soc. Tech. Committee on Parallel Process. IEEE Comput. Soc. Tech. Committee on Comput. Architecture IEEE Comput. Soc. Tech. Committee on Distributed Process. ACM SIGARCH |
File Size | 336791 |
File Format | |
ISBN | 0769515738 |
DOI | 10.1109/IPDPS.2002.1015516 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 2001-04-15 |
Publisher Place | USA |
Access Restriction | Subscribed |
Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Subject Keyword | Broadcasting Intelligent networks Network topology Routing Educational institutions Computer networks Concurrent computing Distributed computing Drives Distributed processing |
Content Type | Text |
Resource Type | Article |
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