Hardware/Software Codesign for Training/Testing Multiple Neural Networks on Multiple FPGAs
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Most neural network designs for FPGAs are inflexible. In this paper, we propose a flexible VHDL structure that would allow any neural network to be implemented on multiple FPGAs. Moreover, the VHDL structure allows for testing as well as training multiple neural networks. The VHDL design consists of multiple processor groups. There are two types of processor groups: Mini Vector Machine Processor Group and Activation Processor Group. Each processor group consists of individual Mini Vector Machines and Activation Processor. The Mini Vector Machines apply vector operations to the data, while the Activation Processors apply activation functions to the data. A ring buffer was implemented to connect the various processor groups.
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