A Multi-Path Packet Routing Strategy with Dynamic Routing Tables for High-Performance Network-on-Chips
Publish place: 16th Iranian Conference on Electric Engineering
Publish Year: 1387
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ICEE16_020
تاریخ نمایه سازی: 6 اسفند 1386
Abstract:
System-On-Chip (SoC) designs provide a new integrated solution for designers to implement a complex system and accommodate the strict time to market and cost constraints. Communication is typically a major challenge in any large SoC system. Network- On-Chip (NoC) is a new paradigm to address the communication problem. On-chip networks for future system on chips need simple and high-performance implementation in order to satisfy the needs of those systems. Routers are one of the elements in the network which transfer data between cores. In this paper a dynamic multipath routing strategy is introduced. In the designed routers a dynamic scoring mechanism updates the routing table dynamically during network operation. Tables are updated according to the network status. The introduced router can be configured to use each of Store-and-Forward (SF), Virtual Cut-Through (VCT), and Worm-Hole (WH) schemes to route the packets. Two versions of each router have been implemented and have been synthesized on a Xilinx Virtex5 FPGA. Simulation results indicate that these routers improve the throughput by 10% while the occupied area is increased by around 25% compared to routers with fix and static routing tables.
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Authors
Mohsen Yousefpour
Multimedia Processing Laboratory, School of Electrical and Computer Engineering, University of Tehran, Tehran-Iran
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