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On Nonuniform Traffic Pattern of Modified Hierarchical 3D-Torus Network
M.M. Hafizur RAHMAN Yukinori SATO Yasushi INOGUCHI
IEICE TRANSACTIONS on Information and Systems
Publication Date: 2011/05/01
Online ISSN: 1745-1361
Print ISSN: 0916-8532
Type of Manuscript: LETTER
Category: Computer System
MH3DT network, deadlock-free routing, non-uniform traffic, Inter-node communication performance,
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A Modified Hierarchical 3D-Torus (MH3DT) network is a 3D-torus network consisting of multiple basic modules, in which each basic module itself is a 3D-torus network. Inter-node communication performance has been evaluated using dimension-order routing and 2 virtual channels (VCs) under uniform traffic patterns but not under non-uniform traffic patterns. In this paper, we evaluate the inter-node communication performance of MH3DT under five non-uniform traffic patterns and compare it with other networks. We found that under non-uniform traffic patterns, the MH3DT yields high throughput and low latency, providing better inter-node communication performance compared to H3DT, TESH, mesh, and torus networks. Also, we found that non-uniform traffic patterns have higher throughput than uniform traffic in the MH3DT network.