欢迎来到天天文库
浏览记录
ID:34423944
大小:31.47 KB
页数:9页
时间:2019-03-06
《hpc on dec alphas and windows nt abstractnew》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、HPCONDECALPHASANDWINDOWSNTDenisNicole,KenjiTakedaandIvanWoltonSouthamptonHPCICentreDepartmentofElectronicsandComputerScienceUniversityofSouthamptonSouthamptonSO171BJABSTRACTWehaveobtainedadedicatedcomputationalclusterofeightDECAlphasystemsinterconnectedby100HzswitchedE
2、thernetandrunningDigitalVisualFORTRANonWindowsNT.Thisisan8Gflop/s(peak)systemwith2Gbytesofmemory.Thetotalcostwasunder£50,000.WehavejustfinishedportingMPIontothisenvironmentandarenowabletorunmainstreamUKHPCcodessuchasANGUS.Webelievethatoursystemisahighlycost-effectiveen
3、vironmentforthedevelopmentandmedium-scaleexecutionofscienceandengineeringcodes;itcurrentlyrepresentsthebiggestsinglecomputationalresourceatSouthampton.Wepresentourearlyexperienceswiththisleadingedgemedium-scaleresourceandsomeearlyperformanceresultsforsequential,MPIandP
4、VMFORTRANcodes.INTRODUCTIONTheconsolidationofthemicroprocessormarkethasresultedintherenowbeinglittledistinctionbetweenthePCandworkstationmarkets.Bytakingadvantageoftheinherenteconomiesofscaleinprocessors,memory,switchingtechnologyandsoftwareitispossibletoutilisecommodi
5、tycomponentstobuildsupercomputer-levelmachinesatlowcost.TheBeowolfproject1hasconcentratedonusingIntel-basedmachinesrunningLinuxtoprovideverycost-effectiveproductionmachinesforanumberofapplications.WehaverecentlypurchasedadedicatedcomputationalclusterofDECAlphaworkstati
6、ons.ThesecompeteonanodefornodebasiswithsystemsfromIBMandSGI/Crayformanyscientificandengineeringapplications,butbyusingcommoditycomponentsthecostislowerbyafactorofatleastthree.ByalsoutilisingtheWindowsNToperatingsystemfurthersavingscanbemade.Ourlongtermgoalistoprovideaf
7、ull,remoteaccessserviceonthisHPCsystem.1SYSTEMCONFIGURATIONTheexactconfigurationoftheinstalledDECAlphaclusterisgiveninTable1.Asthisisacomputeclusteronlytwo21"andtwo15"monitorswerepurchased.Theotherfourmaincomputenodesshareasinglemonitorthroughamanualswitchbox.Thetotals
8、ystemcostwas£50,000.Table1.ConfigurationofDECAlphaclusterEightnodes,eachwith500MHzAlpha21164processor256MbyteRAM2.5Gb
此文档下载收益归作者所有