parallel computing with matlab(并行计算)

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1、本页已使用福昕阅读器进行编辑。 福昕软件(C)2005-2007，版权所有， 仅供试用。GettingStartedwithParallelComputingusing MATLAB:InteractiveandScheduledApplicationsCreatedbyS.Zaranek,E.JohnsonandA.Chakravarti1.ObjectivesThisuserguideprovidesanenduserwithinstructionsonhowtogetstartedrunning parallelMATLABapplications

2、usingadesktopcomputeroracluster.2.AssumptionsUserhasaccesstoMATLABandParallelComputingToolboxonthedesktopcomputerorheadnodeofthecluster.Ifrunningonacluster:MATLABDistributedComputingServerhasbeeninstalledbyanadministratoronthecluster.ThedesktopMATLABclienthasbeenconfiguredtoconne

3、cttothecluster.Ifthishas notbeendone,youshouldcontacttheclusteradministrator.3.GettingtheExampleFilesUnzipthedemoFiles.zipfilethatwasprovidedalongwiththisguide.Youcan addthefilestotheMATLABpathbyrunningtheaddpathcommandin MATLAB.>>addpath4.ExamplesRunningLocallyI

4、nthissection,youwillberunningandsubmittingjobsusingthelocal configuration.Ifyourworkflowwillultimatelyinvolvesubmittingjobstoacluster,youcan followthissectionbyswitchingthedefaultconfigurationfromlocaltothatof yourclusterandrunningthesejobsagain.ThisisdescribedinSection5.本页已使用福昕阅

5、读器进行编辑。 福昕软件(C)2005-2007，版权所有， 仅供试用。Youcansettheconfigurationtolocal,eitheratthecommand-line>>defaultParallelConfig('local')orbyusingtheuserinterfacefoundintheparallelmenu.Seescreensnapshot below.Formoreinformationonconfigurationsandprogrammingwithuser configurations,see:http://w

6、ww.mathworks.com/access/helpdesk/help/toolbox/distcomp/index.html?/a ccess/helpdesk/help/toolbox/distcomp/f5-16141.html#f5-165401.UsinganInteractiveMATLABpoolTointeractivelyrunyourparallelcode,youfirstneedtoopenaMATLABpool. ThisreservesacollectionofMATLABworkersessionstorunyourco

7、de.The MATLABpoolcanconsistofMATLABsessionsrunningonyourlocalmachine oronaremotecluster.Inthiscase,weareinitiallyrunningonyourlocalmachine.Youcanusematlabpoolopentostartaninteractiveworkerpool.Ifthenumber ofworkersisnotdefined,thedefaultnumberdefinedinyourconfigurationwill beused

8、.Agoodruleofthumbistonotopenmoreworkerst