如何连接多个FPGA并来回发送大数据?
假设我有4个相同的FPGA板运行。他们正在进行一些神经网络计算。他们所有人都需要来回发送/接收数据,并使用该数据进行自己的计算。在多个FPGA板之间进行数据传输的最佳方法/ IP/协议是什么?谢谢。
Let's say I have 4 identical FPGA boards running. They are doing some neural network calculation. All of them need to send/ receive data from each other back and forth and do their own calculations using that data. What is the best way/ IP/ protocol to do data transfer between multiple FPGA boards? Thanks.
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这是一个简单的问题,带有一个复杂的答案,板之间的TTL级别的RS232很容易实现,但是如果您具有较大的带宽,则可能需要查看并行协议。这也取决于您的拓扑。也许只是一辆带时钟和握手信号的大型平行巴士。
That is a simple question with a complex answer, RS232 at TTL levels between the boards is easy to implement, but if you have larger bandwidths you may need to take a look at parallel protocols. It also depends on your topology. Maybe just a big parallel bus with a clock and handshake signals.