Application of a Multi-Processor SoC Platform to High-Speed Packet Forwarding
DATE（2004）
摘要
In this paper, we explore the requirements of emerging complex SoC's and describe StepNP, an experimental flexible, multi-processor SoC platform targeted towards communications and networking applications.We present the results of mapping an internet protocol (IPv4) packet forwarding application, running at 2.5Gb/s and 10Gb/s. We demonstrate how the use of high-speedhardware-assisted messaging and dynamic task allocation in the StepNP platform allows us to achieve very high processor utilization rates (up to 97%) in spite of the presence of high network-on-chip and memory access latencies. The inter-processor communication overhead is kept very low, representing only 9% of instructions.
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关键词
IP networks,multi-threading,multiprocessing systems,reduced instruction set computing,system-on-chip,10 Gbyte/s,2.5 Gbyte/s,Internet protocol,StepNP platform,dynamic task allocation,high speed packet forwarding,interprocessor communication,memory access latencies,multiprocessor SoC platform,multithreading,network-on-chip,reduced instruction set computing,system-on-chip
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