基于ESL的MPEG4解码SOC软硬件协同设计

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1、上海交通大学硕士学位论文基于ESL的MPEG-4解码SoC软硬件协同设计姓名：冯鑫申请学位级别：硕士专业：电路与系统指导教师：郭炜20070123上海交通大学硕士学位论文ABSTRACTESLBasedSoCSW/HWCo-DesignforMPEG-4DecodingABSTRACTAsthecomplexityofSoCdesignincreases,system-leveldesigninearlydevelopmentstageisimposingevermoreinfluenceonthefinalSoCperformance.Itisn

2、ecessarytooptimizetheperformanceonthearchitecturelevelofavideodecodingSoCwithahighlyeffectiveanalysisandverificationplatform.IntheSoCdesignprocess,softwareandhardwareco-simulationisamust,sinceSoCplatformconsistsofbothhardwarepartitionsandsoftwarepartitions.Itisfairlydifficultt

3、ofindtheperformancebottleneckofthesystemattheRTLlevels,sincetheperformanceverificationonlyoccurstowardsthebackendofthewholedesignflow.Therefore,anewmethodologyofsystemleveldesignisrequiredtoexploreinthearchitecturedesignspacegiventhehighcomplexityofvideodecodeSoCaswellasthenee

4、dtomakeadecisiononthesoftwareandhardwareparttionatearlystagesindesignflow.ThethesispresentsanElectronicSystemLeveldesignmethodforhardwareandsoftwareCo-DesignofMPEG-4DecodingSoC.AfteranalyzingthesoftwarealgorithmbottlenecksontheARMSoC-DesignerESLplatform,weobservethatthebottlen

5、eckofsystemliesinthearchitecturepartanddataflowrelatedmodel.Thenthesoftwareandhardwareispartitionedbasedonthefindingsaboutbottlenecks.Inaddition,theoptimizedhardwareacceleratormodelisbroughtupbasedonanalysisofthealgorithmdataflowandoperationmethods.Aspertheexperienceinvolvedin

6、thethesis,weunderstandthatitisnecessarytomakeaneffortonthedatapathdesignofmodulestogethighperformanceofthesystem.Withoff-chipSDRAMaccessmethodsandinternalmemoryusedinthearchitecturedesignofhardwarewithSystemC,theSoftware/HardwareCo-simulationofMPEG-4DecodingSoCisimplemented.It

7、isshownwithstrongconfidencethatitiseasiertogethighspeedofsimulationandhighperformanceofthevideodecodingsystemwiththeESLdesignphilosophy.Keyword：SoC,Electronic-System-Level(ESL)Design,MPEG-4Video-Decode,Software/HardwareCo-Design第II页上海交通大学硕士学位论文目录图片目录图1ESL设计流程..................

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