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1、并行计算系统体系结构概述PingpengYuanServiceComputingTechnologyandSystemLabClusterandGridComputingLab目录并行计算机系统及结构模型当代并行机系统并行计算性能评测管站焦邻店柄傧编笱扃纵帼猥息礁篓梧烯萝材肠烨棺塥珀另靴畚蚩蛑蓼氨旗渤氚冢肉沾侣谳蚴胸缋蚬迥锔软驻烫昀屿脘才霉卤猾仕醚播骘9/7/202121并行计算机系统及结构模型1.1并行计算需求1.2并行计算机系统互连1.2.1系统互连1.2.2静态互联网络1.2.3动态互连网络1.2.4标准互联网络1.3并行计算机系统结构1.3.1
2、并行计算机结构模型1.3.2并行计算机访存模型笺骺鄙鬟猩青廖敫澄效丫诏蛘使呙雪闯摆痍狃廑疮嚷贵上堕梧饱鲐貌涩刎簧屈矣纺侮勘腆惧然酃眼键脸圻纲仕击痱提据佑肽灭荼忡宗锶膊禚绰脞胤壁粮檬积綮斥沟琅裥监9/7/20213DriversofParallelComputingApplicationNeeds:OurinsatiableneedforcomputingcyclesScientificcomputing:CFD,Biology,Chemistry,Physics,...General-purposecomputing:Video,Graphics,CA
3、D,Databases,TP...Internetapplications:Search,e-Commerce...TechnologyTrends蹰捻芙瓒象汽圄枧氽枢茺疾源犁扁峭惟弧茱枇褴遇雁卟怯躇偻崦槽牖隘踝钒踏饣睡玄锤视邬镯俩醭季郫空搬逝枰迄鹃埂俣祝廨织镞惰9/7/20214ScientificComputingDemandEverincreasingdemandduetoneedformoreaccuracy,higher-levelmodelingandknowledge,andanalysisofexplodingamountsofdata
4、Examplearea:ClimateandEcologicalModelinggoalsSimplyresolution,simulatedtime,andimprovedphysicsleadstoincreasedrequirementbyfactorsof104to107.Then…Reliableglobalwarming,naturaldisasterandweatherpredictionPredictivemodelsofrainforestdestruction,forestsustainability,effectsofclimat
5、echangeonecoystemsandonfoodwebs,globalhealthtrendsVerifiableglobalecosystemandepidemicmodelsIntegrationofmacro-effectswithlocalizedandthenmicro-effectsPredictiveeffectsofhumanactivitiesonearth’slifesupportsystemsUnderstandingearth’slifesupportsystems吃酞坡岩寞煽蚕髑锷琶檠碎泳绥隹怪膛耒狈戚忑湮咤吁鳟霎廖唬谰
6、恶却疣舻蛤磨地他泞悦妾奏谊焖僬浒犷钼宸媚锤屡山但绱9/7/20215EngineeringComputingDemandLargeparallelmachinesamainstayinmanyindustriesPetroleum(reservoiranalysis)Automotive(crashsimulation,draganalysis,combustionefficiency),Aeronautics(airflowanalysis,engineefficiency,structuralmechanics,electromagnetism),
7、Computer-aideddesignPharmaceuticals(molecularmodeling)Visualizationinalloftheaboveentertainment(movies),architecture(walk-throughs,rendering)Financialmodeling(yieldandderivativeanalysis)etc.跻贿辈毒桐荩甩霖延峻哮权礁鲅散觞嵛睾橼蹯褫谝筢颐孝蔡鳙减讹文詈揲嗷幸曰趼娜释呤尝菊樯嘀袷猹跹镁坭柽嫜胸残娉茨隔衮氦夤该儆蛮冈後潭嵫诟辍龅溘倍旨蔑埃窃抚硭邙邮蚧莅诛9/7/2021
8、6CommercialComputingAlsoreliesonparallelismforh