Human exploration and development of space using XML database Space Wide Web Space Wide Web by adaptWord格式文档下载.docx

Human exploration and development of space using XML database Space Wide Web Space Wide Web by adaptWord格式文档下载.docx

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ArticleOutline

1.Introduction

2.Scientificcontext

3.Implementation

3.1.Systemconstraints

3.2.Generaldesignofthegridsystem

3.3.Systemrequirements

3.3.1.Operatingsystem

3.3.2.Client

3.3.3.Server

3.3.4.Account

3.4.Systemprocesses

3.4.1.userlevelprocesses

3.4.2.grid_clientprocesses

3.4.3.projectprocesses:

executedonceperinvocationbygrid_clientprocess

3.5.Basicfeatures

3.5.1.Client–servercommunications

3.5.2.Authentication

3.5.3.Architecturespecificbinaries

3.5.4.Client-sidesecurity

3.5.5.Server-sidesecurity

3.5.6.Systemmonitoring

3.5.7.Errorhandling

4.Performanceconsiderations

5.Futurework

5.1.Securecommunications

5.2.SQLtransactionsupport

5.3.Alittlelanguage

5.4.Validitychecking

6.Conclusions

Acknowledgements

References

Vitae

ThispaperdescribesthearchitectureofthefirstimplementationoftheIn-VIGOgrid-computingsystem.ThearchitectureisdesignedtosupportcomputationaltoolsforengineeringandscienceresearchInVirtualInformationGridOrganizations（asopposedtoinvivoorinvitroexperimentalresearch）.AnovelaspectofIn-VIGOistheextensiveuseofvirtualizationtechnology,emergingstandardsforgrid-computingandotherInternetmiddleware.InthecontextofIn-VIGO,virtualizationdenotestheabilityofresourcestosupportmultiplexing,manifoldingandpolymorphism（i.e.tosimultaneouslyappearasmultipleresourceswithpossiblydifferentfunctionalities）.Virtualizationtechnologiesareavailableoremergingforalltheresourcesneededtoconstructvirtualgridswhichwouldideallyinherittheabovementionedproperties.Inparticular,thesetechnologiesenablethecreationofdynamicpoolsofvirtualresourcesthatcanbeaggregatedon-demandforapplication-specificuser-specificgrid-computing.Thischangeinparadigmfrombuildinggridsoutofphysicalresourcestoconstructingvirtualgridshasmanyadvantagesbutalsorequiresnewthinkingonhowtoarchitect,manageandoptimizethenecessarymiddleware.ThispaperreviewsthemotivationforIn-VIGOapproach,discussesthetechnologiesused,describesanearlyarchitectureforIn-VIGOthatrepresentsafirststeptowardstheendgoalofbuildingvirtualinformationgrids,andreportsonfirstexperienceswiththeIn-VIGOsoftwareunderdevelopment.

2.TheIn-VIGOconcept

3.VirtualizationinIn-VIGO

3.1.Virtualdataandthevirtualfilesystem

3.2.Virtualmachines

3.3.Virtualapplications

3.4.Virtualnetworks

3.5.Virtualuserinterfaces

4.ThearchitectureofIn-VIGO

4.1.Thevirtualapplication

4.2.Thevirtualfilesystem

4.3.Theresourcemanager

4.4.Theuserinterfacemanager

4.5.Theglobalinformationsystem

4.6.Theusermanager

5.Implementation

Leveragingcostmatrixstructureforhardwareimplementationofstereodisparitycomputationusingdynamicprogramming 

OriginalResearchArticle

ComputerVisionandImageUnderstanding

2.Relatedworks

2.1.Designpatterndetection

2.2.Softwarearchitecturereconstruction

2.3.Concludingremarks

3.AnoverviewonMARPLE

3.1.Theinformationdetectorenginemodule

3.2.TheJoinermodule

3.3.Theclassifiermodule

3.4.Thesoftwarearchitecturereconstructionmodule

3.5.DistributedMARPLE

4.ExperimentalresultsforDPD

4.1.Resultsfortheinformationdetectorenginemodule

4.2.ResultsfortheJoinermodule

4.3.Resultsfortheclassifiermodule

4.3.1.Comparisonwithothertools

4.3.2.Resultsonotherdesignpatterns

4.4.ResultsfortheSARmodule

5.Conclusionsandfutureworks

Atoolfordesignpatterndetectionandsoftwarearchitecturereconstruction 

InformationSciences

packageofLinuxscriptsfortheparallelizationofMonteCarlosimulations 

ComputerPhysicsCommunications

Despitethefactthatfastcomputersarenowadaysavailableatlowcost,therearemanysituationswhereobtainingareasonablylowstatisticaluncertaintyinaMonteCarlo（MC）simulationinvolvesaprohibitivelylargeamountoftime.Thislimitationcanbeovercomebyhavingrecoursetoparallelcomputing.Mosttoolsdesignedtofacilitatethisapproachrequiremodificationofthesourcecodeandtheinstallationofadditionalsoftware,whichmaybeinconvenientforsomeusers.Wepresentasetoftools,namedclonEasy,thatimplementaparallelizationschemeofaMCsimulationthatisfreefromthesedrawbacks.InclonEasy,whichisdesignedtorununderLinux,asetof“clone”CPUsisgovernedbya“master”computerbytakingadvantageofthecapabilitiesoftheSe