摘要
Theprocessingspeedofthecommunicationbetweennodesinaparallelprocessorhasbecomethemajorbottleneckoftheprocessor'sperformance.RDMA(RemoteDirectMemoryAccess)technologyhasdrawnmoreattentionrecentlyduetoitscapabilityoftransferringalargeramountofdata,higherspeedandreliability.4DSP(4DigitalSignalProcessing)modulecomprisedofTiger-SHARC201chipisconnectedbyLVDS(LowVoltageDifferentialSignal)circuits.ThispaperproposesageneralandreconfigurableRDMAplatformanditscorrespondingcommunicationprotocolwithalltherouteslinkedbasedonthezerocopy.TheprotocoltransfersmessageofDSPbyinterruptingofDMAandisappliedonmassiveremoteimageimpression,whichreducesmemoryneedsandworkingburdenofCPU.Theexperimentresultsshowthisplatformisefficient,flexible,andexpandableofbeingintegratedtoalargerscaleinthenextdevelopmentstages.
出版日期
2009年03月13日(中国期刊网平台首次上网日期,不代表论文的发表时间)