The CUDA Compiler Driver NVCC英文文献资料

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1、TheCUDACompilerDriverNVCCLastmodifiedon:<04-01-2008>DocumentChangeHistoryVersionDateResponsibleReasonforChangebeta01-15-2007JuulVanderSpekInitialrelease0.105-25-2007JuulVanderSpekCUDA0.1release1.006-13-2007JuulVanderSpekCUDA1.0release1.110-12-2007JuulVanderSpekCUDA1.1release2.004-01-2

2、008JuulVanderSpekCUDA2.0releasenvcc.docV2.0iiApril,2006IntroductionOverviewCUDAprogrammingmodelTheCUDAToolkittargetsaclassofapplicationswhosecontrolpartrunsasaprocessonageneralpurposecomputer(Linux,Windows),andwhichuseoneormoreNVIDIAGPUsascoprocessorsforacceleratingSIMDparalleljobs.Su

3、chjobsare‘self-contained’,inthesensethattheycanbeexecutedandcompletedbyabatchofGPUthreadsentirelywithoutinterventionbythe‘host’process,therebygainingoptimalbenefitfromtheparallelgraphicshardware.DispatchingGPUjobsbythehostprocessissupportedbytheCUDAToolkitintheformofremoteprocedurecal

4、ling.TheGPUcodeisimplementedasacollectionoffunctionsinalanguagethatisessentially‘C’,butwithsomeannotationsfordistinguishingthemfromthehostcode,plusannotationsfordistinguishingdifferenttypesofdatamemorythatexistsontheGPU.Suchfunctionsmayhaveparameters,andtheycanbe‘called’usingasyntaxth

5、atisverysimilartoregularCfunctioncalling,butslightlyextendedforbeingabletospecifythematrixofGPUthreadsthatmustexecutethe‘called’function.Duringitslifetime,thehostprocessmaydispatchmanyparallelGPUtasks.SeeFigure1.CUDAsourcesHence,sourcefilesforCUDAapplicationsconsistofamixtureofconvent

6、ionalC++‘host’code,plusGPU‘device’(i.e.GPU-)functions.TheCUDAcompilationtrajectoryseparatesthedevicefunctionsfromthehostcode,compilesthedevicefunctionsusingproprietaryNVIDIAcompilers/assemblers,compilesthehostcodeusingageneralpurposeC/C++compilerthatisavailableonthehostplatform,andaft

7、erwardsembedsthecompiledGPUfunctionsasloadimagesinthehostobjectfile.Inthelinkingstage,specificCUDAruntimelibrariesareaddedforsupportingremoteSIMDprocedurecallingandforprovidingexplicitGPUmanipulationsuchasallocationofGPUmemorybuffersandhost-GPUdatatransfer.PurposeofnvccThiscompilation

8、traje