优化你的软件开发流程

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1、www.ceva-dsp.com优化你的软件开发流程针对嵌入式处理器的一套基于纯C的智能软件开发工具和方法April2010www.ceva-dsp.comslide2演讲者胡凯,CEVA中国区FAE经理www.ceva-dsp.comslide3OutlineKeyTrendsinEmbeddedSystemArchitecturesEmbeddedSoftwareDevelopmentGuidelinesAnIntelligentSoftwareDevelopmentFlowSummarywww.ceva-dsp.comslide4EmbeddedSystemsTrends>Wikip

2、ediadefinition:“Acomputersystemdesignedtoperformoneorafewdedicatedfunctions,oftenwithreal-timecomputingconstraints”,July2008Oneorafewdedicatedfunctions?Notanymore….>Twomaintrendsaredrivingsystemcomplexity:1.Totalsystemintegration-asinglesystemisrequiredtosupportalargenumberoftechnologies>Communica

3、tions,multimedia,connectivity,storage,andmore2.Increasedperformancerequirements–highlydemandingusecases.Forinstance:1.Baseband–fromvoice-centric2Gtodata-centric3/3.5G,and4G2.Multimedia–fromstandard-definition(SD)videoto1080pHDwww.ceva-dsp.comslide5Trend1:“It'stheSoftware,Stupid”Higherlevelofprogra

4、mmability>Embeddedsystemsfunctionalitycontinuestomigratefromhardwareimplementationtoembeddedsoftware>SmartPhones(seeiPhonerevolution),SoftwareDefinedRadio(SDR),multistandardaudioandvideo,gaming,andmore.>EmbeddedsoftwaredevelopmentposesthegreatestchallengeinSoC(SystemonaChip)developmentcycle>Softwa

5、redevelopmentcostrepresents80%andmoreofthetotalSoCdevelopmentcost**Source:InternationalTechnologyRoadmapforSemiconductors,2008www.ceva-dsp.comslide6SWDevelopmentImplicationsTrendImplicationDSPcapabilityincreases:Aneedtominimizetherequired•VLIW/SIMD/Vectorprocessorsarchitectureknow-howComputation-i

6、ntensivesystemsStrongerfocusonsoftware•Verydemandingusecasesoptimizations•ExtremelyhighdataratesShorterTime-To-Marketwithshorter•Efficient,powerful,andeasytoSWdevelopmenttimeuseprogrammingenvironments•HighlevelprogramminglanguageC-levelprogramminghidesarchitecturecomplexityandsavesdevelopmenttimew

7、ww.ceva-dsp.comslide7OutlineKeyTrendsinEmbeddedSystemArchitecturesEmbeddedSoftwareDevelopmentGuidelinesAnIntelligentSoftwareDevelopmentFlowSummarywww.ceva-dsp.comslide8SWDevelopmentEssentials>EnsuringefficientSWd