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  • 简介:SusieisareporteratLTETVShehasalotofpetsandloveshavingfun.

  • 标签: LTE TV Susie PETS
  • 简介:计算机显示用的是VGA格式,VGA卡则能从大约25万种颜色中选择256种进行显示,接着又发展到了640*480个像素分辨率的VGA以及扩展VGA模式SVGA视频显示卡

  • 标签: 区别转换 显示区别 显示显示
  • 简介:摘要220kV母线电压互感器及其二次回路异常,对电网安全运行危害极大,且处理也非常复杂。从电网调度运行专业角度对双母线运行的220kV母线TV异常处理进行研究,结合电网的实例进行分析,并为电网调度员处理TV异常时提供建议。

  • 标签: 母线TV 异常 调度处理
  • 简介:Themulticoreevolutionhasstimulatedrenewedinterestsinscalingupapplicationsonshared-memorymultiprocessors,significantlyimprovingthescalabilityofmanyapplications.Butthescalabilityislimitedwithinasinglenode;thereforeprogrammersstillhavetoredesignapplicationstoscaleoutovermultiplenodes.Thispaperrevisitsthedesignandimplementationofdistributedsharedmemory(DSM)asawaytoscaleoutapplicationsoptimizedfornon-uniformmemoryaccess(NUMA)architectureoverawell-connectedcluster.ThispaperpresentsMAGI,anefficientDSMsystemthatprovidesatransparentsharedaddressspacewithscalableperformanceonaclusterwithfastnetworkinterfaces.MAGIisuniqueinthatitpresentsaNUMAabstractiontofullyharnessthemulticoreresourcesineachnodethroughhierarchicalsynchronizationandmemorymanagement.MAGIalsoexploitsthememoryaccesspatternsofbig-dataapplicationsandleveragesasetofoptimizationsforremotedirectmemoryaccess(RDMA)toreducethenumberofpagefaultsandthecostofthecoherenceprotocol.MAGIhasbeenimplementedasauser-spacelibrarywithpthread-compatibleinterfacesandcanrunexistingmultithreadedapplicationswithminimizedmodifications.WedeployedMAGIoveran8-nodeRDMA-enabledcluster.ExperimentalevaluationshowsthatMAGIachievesupto9.25:4speedupcomparedwithanunoptimizedimplementation,leadingtoasealableperformanceforlarge-scaledata-intensiveapplications.

  • 标签: distributed shared MEMORY (DSM) SCALABILITY multieore
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