1、西安電子科技大學(xué)碩士學(xué)位論文k元n方體的可靠性和故障診斷姓名:王新科申請學(xué)位級別:碩士專業(yè):計算數(shù)學(xué)指導(dǎo)教師:朱強(qiáng)201201AbstractItiswellknownthattheunderlyingtopologyofallinterconnectionnetworkismodeledbyallundirectedconnectedgraphG=(KE),whereVisthesetofproeessorsandEistheseto
2、fcommunicationlinksinthenetworkTheconnectivityisanimportantmeasurementsforfaulttoleranceandreliabilityoftheinterconnectionnetworkInsomeextent,itcancorrectlyreflectthefaulttoleranceabilityofaninterconnectionnetworkwithafe
3、wfaultprocessorsNevertheless,itunderestimatesthefaultresilienceofthelargeinterconnectionnetworksThus,inconsideringtheshortcomingoftraditionalconnectivitymeasure,BoeschandEsfahaniangeneralizedthesuperconnectivitybyimposin
4、gconditionsonthesetoffaultconnectedcomponentLater,baseonthesuperconnectivitythehextraconnectivityisintroducedbyFhbregaandFi01Withthegrowingnumberoftheprocessorsinamultiprocessorsystem,someprocessorsinsuchamultiprocessors
5、ystemmayfailThusitiscrucialtolocatethefaultyprocessorsthereinefficientlyLaieta1introducedconditionaldiagnosabilitybyrestrictingthatforeachprocessortIinanetworkalltheprocessorsthataredirectlyconnectedtot‘a(chǎn)renotallfaultyat
6、thesametimeThekaryncubenetworkisanimportantinterconnectionnetworkstructureofparallelcomputingsystemsduetoitsmanydesirableproperties,eg,whenk=2,thenetworkcollapsestothewellknownhypercubeAfterstudyingsomepropertiesofthekar
7、yn—cube,thispaperobtainsthat:1)when%=3,the1extraconnectivityand2extraconnectivityare4n一3and6n一7respectivelyunderthePMCmodelandMM幸modeltheconditionaldiagnosabihtyis8n—11and6n7respectivelyandthedegreeofdiagnosabilityis4n—3
8、underthepessimisticstrategy;2)whenk≥4,the1extraconnectivityand2extraconnectivityare4n一2and6n——5respectivelytheconditionaldiagnosabilityis8n—7and6n—5underthePMCmodelandMM宰modelrespectivelyandthedegreeofdiagnosabilityis4n一