RECONFIGURABLE RDMA COMMUNICATION FRAMEWORK OF MULTI-DSP-中国Betway体育网页登陆

摘要 Theprocessingspeedofthecommunicationbetweennodesinaparallelprocessorhasbecomethemajorbottleneckoftheprocessor'sperformance.RDMA(RemoteDirectMemoryAccess)technologyhasdrawnmoreattentionrecentlyduetoitscapabilityoftransferringalargeramountofdata,higherspeedandreliability.4DSP(4DigitalSignalProcessing)modulecomprisedofTiger-SHARC201chipisconnectedbyLVDS(LowVoltageDifferentialSignal)circuits.ThispaperproposesageneralandreconfigurableRDMAplatformanditscorrespondingcommunicationprotocolwithalltherouteslinkedbasedonthezerocopy.TheprotocoltransfersmessageofDSPbyinterruptingofDMAandisappliedonmassiveremoteimageimpression,whichreducesmemoryneedsandworkingburdenofCPU.Theexperimentresultsshowthisplatformisefficient,flexible,andexpandableofbeingintegratedtoalargerscaleinthenextdevelopmentstages.

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RECONFIGURABLE RDMA COMMUNICATION FRAMEWORK OF MULTI-DSP

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