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《一種用于片上網(wǎng)絡(luò)交換結(jié)構(gòu)的動(dòng)態(tài)優(yōu)先級(jí)算法》由會(huì)員上傳分享，免費(fèi)在線閱讀，更多相關(guān)內(nèi)容在學(xué)術(shù)論文-天天文庫。
1、AbstractNetworkonchipisanewmulti-coresinterconnecttechnology,whichseparatesdataprocessingelementsandcommunicationresourcesandhasgoodparallelcommunicationskillandscalability．Itusesglobalasynchronouslocallysynchronoustechnologyinordertosolveasingleclockproblemofsystemonchip．Routingnodeisthebasisofin
2、formationexchangebetweenIPcoresandthesignificantpartofnetworkonchip，SOhigh-performanceroutingisthekeytohigh-performancenetworkonchip．Switchesarchitectureandschedulingalgorithmareimportantpartsoftheroutingnodeandtheirperformancesdirectlyaffecttheperformancesoftheroutingnode．Tllispaperfirstlydescrib
3、esswitchesarchitecturewhichbasesonqueuingmechanisms．InputqueuingisbecomingthemainstreamarchitectureofswitcharchitecturebecausethatithasnorequirementofspeedupandovercomestheshortageofHOLbyusingvirtualoutputqueuingtechnology．Then，theperformancesofinputqueuingschedulingalgorithmsarediscussed．Finally,
4、Adynamicpriorityschedulingalgorithmwhichbasesoninputqueuingswitchandprovides‘‘QualityofServe’’guaranteeisproposed．IthasuniversalapplicabilityandCanbeappliednomatterwhatfactsdeterminepriority．ThepriorityCanbedynamicallychangedineachtimeslotandavoidlowprioritystarving．Inaddition,thesimulationplatfor
5、misdesignedandtheresultsshowedthatiDPWasbetterthanIterativeRoundRobinMatching、)l，itllSlipwheniterationtimesweretwoinfourtrafficmodels．Keywords：networkonchipcrossbarinputqueuingDynamicpriorityschedulingalgorithm目錄第一章緒論?????????????????????????????l1．1論文背景???????????????????????????．11．2片上網(wǎng)絡(luò)交換結(jié)構(gòu)及調(diào)度算
6、法研究的必要性????????????一31．3片上網(wǎng)絡(luò)交換結(jié)構(gòu)及調(diào)度算法研究現(xiàn)狀??????????????．．31．3．1交換結(jié)構(gòu)研究現(xiàn)狀?????????????????????．31．3．2調(diào)度算法研究現(xiàn)狀?????????????????????．41．4論文主要工作和安排??????????????????????。5第二章片上網(wǎng)絡(luò)交換結(jié)構(gòu)分析?????????????????????72．1交換結(jié)構(gòu)的組成????????????????????????．．72．2交叉開關(guān)式交換單元??????????????????????．．82．2．1交叉開關(guān)的工作原理?????????
7、???????????．．82．2．2交叉結(jié)點(diǎn)式交叉開關(guān)????????????????????92．2．3多路選擇器式交叉開關(guān)??????????????????。102．3交換結(jié)構(gòu)的排隊(duì)機(jī)制??????????????????????ll2．3．1輸出排隊(duì)????????????????????????????????一112．3．2輸入排隊(duì)?????????????????????????122．3．3聯(lián)合輸入輸出
