简介：NewexperimentsincludingthoseattheLHCwillrequireanalysisofverylargedatasetswhicharebesthandledwithdistributedcomputation.WepresentthedesignanddevelopmentofaprototypeframeworkusingJavaandObjectivity.Ourframeworksolvessuchanalysis-specificproblemsasselectingeventsamplesfromlargedistributeddatabases.producingvarialbedistributions,andnegotiatingbetweenmultipleanalysisserviceproviders.ExamplesfromthesuccessfulapplicationoftheprototypetotheanalysisofdatafromtheL3experimentwillalsobepresented.

简介：Inthispaper,wepresentthecurrentstatusoftheprojectfordevelopingthenumericallibrayrinJAVA.Wehavepresentedhowobject-orientedtechniquesimproveusageandalsodevelopmentofnumericallibrariescomparedwiththeconventionalwayatpreviousconference,weneedmanyfunctionsfordataanalysiswhichisnotprovidedwithinJAVAlanguage,forexample,goodrandomnumbergenerators.specialfunctionsandsoon.Ourdevelopmentstrategyisfocusedoneasinessofimplementationandaddingnewfeaturesbyusersthemselvesnotonlybydevelopers.InHPCfiled,thereareotherfocuseffortstodevelopnumericallibrariesinJAVA,However,theirfocusisontheperformanceofexecution.noteasinessofextension.Followingthestrategy,wehavedegignedandimplementedmoreclassesforrandomnumbergeneratorsandsoon.

简介：Theemergenceofhighspeedwideareanetworksmakesgridcomputingareality.HowevergridapplicationsthatneedreliabledatatransferstillhavedifficultiestoachieveoptimalTCPperformanceduetometworktuningofTCPwindowsizetoimporvethebandwidthandtoreducelatencyonahighspeedwideareanetwork.ThispaperpresentsapureJavapackagecalledJPARSS(javaParallelSecureStream)thatdividesdataintopartitionsthataresentoverseveralparallelJavaStreamssimultaneouslyandallowsJavaorWebapplicationstoachieveoptimalTCPperformanceinagirdenvironmentwithoutthenecessityoftuningtheTCPwindowsize.SeveralexperimentalresultsareprovidedtoshowthatusingparallelstreamismoreeffectivethantuningTCPwindowsize.InadditionX.509certificatebasedsinglesign-onmechanismandSSLbasedconnectionestablishmentareintegratedintothispackage,Finallyafewapplicationsusingthispackagewillbediscussed.