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GigaNoC - A Hierarchical Network-on-Chip for Scalable Chip-Multiprocessors

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4 Author(s)
Puttmann, C. ; Heinz Nixdorf Inst., Univ. of Paderborn, Paderborn, Germany ; Niemann, J.-C. ; Porrmann, M. ; Ruckert, U.

Due to the technological progress in the semiconductor industry, more and more components can be integrated on a single die forming a complex System-on-Chip. For enabling an efficient interaction between the various building blocks of today's SoCs, efficient communication structures become more and more essential. In this paper, we present the GigaNoC, a hierarchical Network-on-Chip that is especially suitable for scalable Chip-Multiprocessor architectures. The GigaNoC approach features a packet-switched wormhole routing on-chip network that provides the backbone of our multiprocessor architecture. In order to meet bandwidth requirements of different application domains, our Network-on-Chip is easily scalable and parameterizable in various aspects. This work highlights the communication protocol and shows a performance evaluation for different congestion scenarios. Furthermore, we present an FPGA-based prototypical realization and introduce a debugging and verification environment. Finally, implementation results for a standard cell technology are discussed.

Published in:

Digital System Design Architectures, Methods and Tools, 2007. DSD 2007. 10th Euromicro Conference on

Date of Conference:

29-31 Aug. 2007