Week_14_Memory_Configuration.pdf

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1、CollaborativeSolutionsIncAnANSYSSupportDistributorDateApril15,2000MemoNumberSTI49:000415ASubjectANSYSTips&Tricks:MemoryManagement&FasterSolutionTimesANSYSTips&Tricks:MemoryManagement&FasterSolutionTimesANSYSTips&Tricks:MemoryManagement&FasterSolutionTimesKeywordsMemoryManagement:/

2、CONFIG:OptimalSolverSettings:LinearStaticStructural1.1.1.Introduction:Introduction:Introduction:Introduction:Therearevariousconfigurationsettingswhichmaymoreefficientlyutilizehardwareresourcesforsolutionandpostprocessingfunctions.Thismemowillcoverafewoftheseoptionswhichmayproveben

3、eficialforuserswith(a)limitedhardwareand(b)performinglinearstaticsolutionsat5.6.Theauthorwillusetheperformanceoftwocomputersasexamplesduringthismemo.However,thisdatashouldnotbeusedforanydirectcomparisonsofvendors’productsoroperatingsystemssinceonecomputerisaUNIXworkstationwhereast

4、heotherisaPCnotebook,soonewouldexpectthenotebooktosufferinperformance.2.2.2.DescriptionofHardwareandANSYSModelUsedintheExamples:DescriptionofHardwareandANSYSModelUsedintheExamples:DescriptionofHardwareandANSYSModelUsedintheExamples:DescriptionofHardwareandANSYSModelUsedintheExampl

5、es:Theauthorusedtwocomputersinthismemo.ADellInspiron7500notebookrunningWindowsNT4.0SP6awith500MHzIntelprocessorand256MBofRAMwithaninternalIDEdrivewasusedtodemonstrateasystemwithlimitedhardware.Thisnotebook’sIDEdriveisnotasfast(read/write/seektimes)comparedwithSCSIdrives.Thisnotebo

6、okalsoonlyhas256MBofRAM.Conversely,anHPC3000runningHP-UX10.20witha400MHzHPPA8500processorand2GBofRAMwithtwointernalUltrawide2SCSIdrivewasusedtodemonstrateasystemwithgoodhardware.TheUltrawide2SCSIdriveshaveveryfastread/write/seektimes,andthe2GBofRAMprovideanadequateamountofaddressa

7、blememory.Forthevariousbenchmarks,themodel(withvaryingmeshdensity)shownbelowwasused:Themodelwasconstrainedinmanylocations.Pressureswereappliedonthesurfaceshighlightedabove.SOLID9210-nodetetrahedralelementswereused,althoughsomeSURF154surfaceeffectelementswereusedfortheparabolicpres

8、sureloadingshownontheright-handsi