TI 多内核编程指南.pdf

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1、ApplicationReportSPRAB27B—August2012MulticoreProgrammingGuideMulticoreProgrammingandApplications/DSPSystemsAbstractAsapplicationcomplexitycontinuestogrow,wehavereachedalimitonincreasingperformancebymerelyscalingclockspeed.Tomeettheever-increasingprocessingdemand,modernSy

2、stem-On-Chipsolutionscontainmultipleprocessingcores.Thedilemmaishowtomapapplicationstomulticoredevices.Inthispaper,wepresentaprogrammingmethodologyforconvertingapplicationstorunonmulticoredevices.WealsodescribethefeaturesofTexasInstrumentsDSPsthatenableefficientimplement

3、ation,execution,synchronization,andanalysisofmulticoreapplications.Contents1Introduction.........................................................................32MappinganApplicationtoaMulticoreProcessor.....................................32.1ParallelProcessingModels..

4、...................................................32.2IdentifyingaParallelTaskImplementation.....................................93Inter-ProcessorCommunication.....................................................143.1DataMovement.........................................

5、.....................143.2MulticoreNavigatorDataMovement..........................................173.3NotificationandSynchronization.............................................173.4MulticoreNavigatorNotificationMethods.....................................224DataTransfe

6、rEngines..............................................................234.1PacketDMA..................................................................234.2EDMA........................................................................244.3Ethernet...........................

7、...........................................244.4RapidIO......................................................................244.5AntennaInterface............................................................254.6PCIExpress..................................................

8、.................254.7HyperLink....................................................................255S