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Automated Bus Generation for Multi-processor SoC Design


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In the design of a multi-processor System-on-a-Chip SoC, the bus architecture typically comes to the forefront because the system performance is not dependent only on the speed of the Processing Elements PEs but also on the bus architecture in the system. An efficient bus architecture with effective arbitration for reducing contention on the bus plays an important role in maximizing performance. Therefore, among many issues of multi-processor SoC research, we focus on two issues related to the bus architecture in this dissertation. One issue is how to quickly and easily design an efficient bus architecture for an SoC. The second issue is how to quickly explore the design space across performance influencing factors to achieve a high performance bus system. The objective of this research is to provide a Computer-Aided Design CAD tool with which the user can quickly explore System-on-a-Chip SoC bus design space in search of a high performance SoC bus system. From a straightforward description of the numbers and types of Processing Elements PEs, non-PEs, memories and buses including, for example, the address and data bus widths of the buses and memories, our Bus Synthesis tool, called BusSynth, generates a Register-Transfer Level RTL Verilog Hardware Description Language HDL description of the specified bus system. The user can utilize this RTL Verilog in bus-accurate simulations to more quickly arrive at an efficient bus architecture for a multi-processor SoC. The methodology we propose gives designers a great benefit in fast design space exploration of bus systems across a variety of performance influencing factors such as bus types, PE types and software programming styles e.g., pipelined parallel fashion or functional parallel fashion. We also show that BusSynth can efficiently generate bus systems in a matter of seconds as opposed to weeks of design effort to integrate together each system component by hand. Moreover, unlike the previous related work, BusSynth can support a wide variety of PEs, memory types and bus architectures including a hybrid bus architecture in search of a high performance SoC.



Georgia Tech Theses and Dissertations - School of Electrical and Computer Engineering Theses and Dissertations -



Autor: Ryu, Kyeong Keol - -

Fuente: https://smartech.gatech.edu/



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