Parallel.Programming.with.Microsoft.Visual.Cplusplus

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1、PPARALLELPROGRAMMINGWITHMICROSOFTVISUALC++®ARALLELYourCPUmetershowsaproblem.Onecoreisrunningat100percent,butallthepatterns&practicesothercoresareidle.YourapplicationisCPU-bound,butyouareusingonlyafrac-Provenpracticesforpredictableresultstionofthecomputin

2、gpowerofyourmulticoresystem.Isthereawaytogetbetterperformance?SavetimeandreduceriskonyourTheanswer,inanutshell,isparallelprogramming.Whereyouoncewouldhavewrit-Ptenthekindofsequentialcodethatisfamiliartoallprogrammers,younowfindthatsoftwaredevelopmentproje

3、ctsbyPARALLELthisnolongermeetsyourperformancegoals.Touseyoursystem’sCPUresourcesincorporatingpatterns&practices,ROGRAMMINGefficiently,youneedtosplityourapplicationintopiecesthatcanrunatthesametime.Microsoft’sappliedengineeringguidancethatincludesbothprodu

4、ctionOfcourse,thisiseasiersaidthandone.Parallelprogramminghasareputationforbeingthedomainofexpertsandaminefieldofsubtle,hard-to-reproducesoftwarequalitysourcecodeanddocumentation.PROGRAMMINGdefects.Everyoneseemstohaveafavoritestoryaboutaparallelprogramtha

5、tdidnotbehaveasexpectedbecauseofamysteriousbug.Theguidanceisdesignedtohelpsoftwaredevelopmentteams:WITHThesestoriesshouldinspireahealthyrespectforthedifficultyoftheproblemsyouwillfaceinwritingyourownparallelprograms.Fortunately,helphasarrived.TheMakecriti

6、caldesignandtechnologyParallelPatternsLibrary(PPL)andtheAsynchronousAgentsLibraryintroduceaselectiondecisionsbyhighlightingMICROSOFTnewprogrammingmodelforparallelismthatsignificantlysimplifiesthejob.Behindtheappropriatesolutionarchitectures,thescenesaresop

7、histicatedalgorithmsthatdynamicallydistributecomputationsontechnologies,andMicrosoftproductsWITHmulticorearchitectures.Inaddition,Microsoft®VisualStudio®2010developmentforcommonscenariossystemincludesdebuggingandanalysistoolstosupportthenewparallelprogra

8、m-mingmodel.VISUALC++UnderstandthemostimportantMProvendesignpatternsareanothersourceofhelp.Thisguideintroducesyoutotheconceptsneededforsuccessbymostimportantandfrequentlyusedpatternsofparallelprogrammingandprovidesexplaini