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High Radix Router Design Based on Asymmetric Crossbar |
FANG Ming-1, CHEN Song-Qiao-1, WANG Ke-Fei-2 |
(1. School of Information Science and Engineering, Central South University, Changsha 410083, China;2. College of Computer, National University of Defence Technology, Changsha 410073, China) |
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Abstract Throughput of asymmetric crossbaris was analyzed in theoretical and simulation way. The result reveals that in asymmetric crossbar head of line (HOL) effect can be negligible. A new architecture of high radix router, hierarchical asymmetric crossbar (HAC), which is based on asymmetric crossbar, along with its tile-based microarchitecture, was introduced. The simulation reveals that HAC router can get much high throughput.
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Received: 20 May 2012
Published: 30 January 2013
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