高级计算机系统结构第三章ppt课件.ppt

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1、Chapter3.PerformanceMetricsandBenchmarks1§3.1SystemandApplicationBenchmarks1.DefinitionofBenchmark:Abenchmarkisaperformancetestingprogramthatsupposedlycapturesprocessinganddatamovementcharacteristicsofaclassofapplications2Abenchmarksuite=Asetofbenchmarkp

2、rograms+asetofspecificrulesgoverningthetestconditionsandprocedures,includingthetestedplatformenvironment,theinputdata,theoutputresults,andtheperformancemetricsAbenchmarkfamily=Asetofbenchmarksuits32.ThemaingoalsofbenchmarkBenchmarksareusedtomeasureandtop

3、redicttheperformanceofcomputersystems,andtorevealtheirarchitecturalweaknessandstrongpoints3.Classificationofbenchmarks(1)Accordingtoapplicationclassesscientificcomputingcommercialapplicationsnetworkservicesmultimediaapplicationssignalprocessing4(2)Accord

4、ingtomacroormicro:MacrobenchmarkmeasuretheperformanceasawholeMicrobenchmarkmeasuretheperformancefromaspecificaspect,suchas,CPUspeed,memoryaccesstime,I/Ospeed,OSperformance,networking5§3.1.1MicroBenchmarksNameLINPARK(Top500)LMBENCHSTREAMMeasuringNumeric

5、alcomputing(Linearalgebra)SystemcallsanddatamovementoperationsinUnixMemorybandwidth6Nov.2006Top50072003,June,1stfourofTop500RankComputerNumberofprocessorCountry1NECEarth-Simulator512035.840.961075200Japan2HPSCES45819213.8820.48633000USA3MCRLinuxClusterXe

6、on2.4GHz23047.63411.06350000USA4IBMASCIWhiteSPPower381927.30412.288518096USA4‘神州IVAlpha800MHz8192N.A13.107N.AChina52联想深腾1800512(Xeon2GHz)1.0462.048153600China8§3.1.2ParallelComputingBenchmarks1.TheNBPSuite-NASparallelbenchmarks2.ThePARKBENCH-PARallelKern

7、elsandBENCHmarks)3.TheParallelSTAPSuite-TheSpace-TimeAdaptiveProcessing9§3.1.3BusinessandTPCBenchmarksTPC-TransactionProcessingPerformanceCouncilThemostpopularbenchmarkforcommercialapplicationsisTPC-CBenchmark10§3.1.4SPECBenchmarkFamilySPEC(StandardPerfo

8、rmanceEvaluationCorporation)emphasizesdevelopingrealapplicationsbenchmarksthatcloselyreflecttheactualworkloadSPECdefinesafew(2inmanycases)metricsthatmeasuretheoverallperformanceofentiresystem11SPEC89SPEC92SPEC95:(CPU-inten