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作者4.4.11 Efficiency
SuperSpeed efficiency is dependent on a number of factors including 8b/10b symbol encoding,
packet structure and framing, link level flow control, and protocol overhead. At a 5 Gbps signaling
rate with 8b/10b encoding, the raw throughput is 500 MBps. When link flow control, packet
framing, and protocol overhead are considered, it is realistic for 400 MBps or more to be delivered
to an application.
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