摘要
AspresentedatthelastCHEPconference,theBTeVtriggeringanddatacollectionposeasignificantchallengeinconstructionandoperation,generating1.5Terabytes/secondofrawdatafromover30milliondetectorchannels.WereportonfacetsoftheDAQandtriggerfarms.WereportonthecurrentdesignoftheDAQ,especiallyitspartitioningfeaturestosupportcommissioningofthedetector.Weareexploringcollaborationswithcomputersciencegroupsexperiencedinfaulttolerantanddynamicreal-timeandembeddedsystemstodevelopasystemtoprovidetheextremeflexibilityandhighavailabilityrequiredoftheheterogeneoustriggerfarm(-tenthousandDSPsandcommodityprocessors).Wedescribedirectionsinthefollowingareas:systemmodelingandanalysisusingtheModelIntegratedComputingapproachtoassistinthecreationofdomain-specificmodeling,analysis,andprogramsynthesisenvironmentsforbuildingcomplex,large-scalecomputer-basedsystems;SystemConfigurationManagementtoincludecompileabledesignspecificationsforconfigurablehardwarecomponents,schedules,andcommunicationmaps.RuntimeEnvironmentandHierarchicalFaultDetection/Management-asystem-wideinfrastructureforrapidlydetecting,isolating,filtering,andreportingfaultswhichwillbeencapsulatedinintelligentactiveentites(agents)torunonDSPs,L2/3processors,andothersupportingprocessorsthroughoutthesystem.
出版日期
2001年01月11日(中国期刊网平台首次上网日期,不代表论文的发表时间)