Shader Performance Analysis on a Modern GPU Architecture.pdf

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1、ShaderPerformanceAnalysisonaModernGPUArchitectureVictorMoya1,CarlosGonzalez,JordiRoca,AgustinFernandez,RogerEspasa2DepartmentofComputerArchitecture,UniversitatPolitècnicadeCatalunya{vmoya,cgonzale,jroca,agustin,roger}@ac.upc.eduAbstractfromtheresearchliterature[24],producingamicroar-chitectu

2、rethatcloselytrackstoday’sGPUswithoutbeinganexactreplicaofanyparticularproductavail-Thispaperpresentsananalysisoftheperformanceofableorannounced.WehavethenimplementedthistheshaderprocessingunitsinamodernGraphicsProc-essorUnit(GPU)architectureusingrealgraphicappli-microarchitectureinfulldetai

3、linacycle-level,execu-cations.ThearchitectureofamodernGPUisdescribedtion-drivensimulator.Inordertofeedthissimulator,andasimulatorandassociatedframeworkusedtoeval-wehavealsoproducedanOpenGLframework(library,uatethearchitectureisintroduced.Thepaperanalysesdriverandtracecapturetool)abletorunful

4、lapplica-theeffectsinperformanceofdifferentconfigurationsoftions(i.e.,commercialgames)onourGPUmicroarchi-theshaderprocessingunitsandcomparesaclassictecture.FinallywehaveusedthissimulatortoevaluateGPUwithaunifiedshaderGPU.Theevaluatedunifiedtheperformanceofaunifiedshaderarchitectureandshadera

5、rchitectureprovestobe15%to30%moreeffi-basicperformanceparametersoftheshadermicroarchi-cient,intermsofarea,witha2%to7%improvementintecture.performancewhencomparedwithasimilarnon-unifiedThereminderofthispaperisorganizedasfollows:architecture.Section2introducesthe3Drenderingalgorithm.Sec-tion3d

6、escribestheGPUpipelineandbrieflydiscusses1.IntroductionourATTILAGPUarchitecture.Section4introducesthesimulatorandtheassociatedOpenGLframework.ThemicroarchitectureoftheshaderunitsinmodernSection5describesindetailthearchitectureoftheGPUsisbecomingakeyresearchtopicastheyevolveshaderunitsandtheu

7、nifiedshaderprogrammingtosupportmorecomplexandgenericprogrammingmodel.InSection6theperformanceandefficiencyofmodels.RecentlypresentedbyATIandMStheGPUdifferentshaderarchitectureconfigurationsisevaluatedfortheXBOX360gameplatformimplementsaunifiedusin