Introduc)on to the Environmental Compu)ng Workshop @ ISGC 2016€¦ · 6 Possible Solu)on –...

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1 Introduc)on to the Environmental Compu)ng Workshop @ ISGC 2016 Dieter Kranzlmüller Munich Network Management Team Ludwig-Maximilians-Universität München (LMU) & Leibniz SupercompuFng Centre (LRZ) of the Bavarian Academy of Sciences and HumaniFes Flash Flood Genoa, Italy, 2011 D. Kranzlmüller EnvComp@ISGC 2016 2 hXp://www.drihm.eu/images/video/DRIHM_final.mp4

Transcript of Introduc)on to the Environmental Compu)ng Workshop @ ISGC 2016€¦ · 6 Possible Solu)on –...

Page 1: Introduc)on to the Environmental Compu)ng Workshop @ ISGC 2016€¦ · 6 Possible Solu)on – Environmental Compu)ng n Combine meteorology, hydrology, hydraulics through computer

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Introduc)ontotheEnvironmentalCompu)ngWorkshop@ISGC2016

DieterKranzlmüllerMunichNetworkManagementTeamLudwig-Maximilians-UniversitätMünchen(LMU)&LeibnizSupercompuFngCentre(LRZ)oftheBavarianAcademyofSciencesandHumaniFes

FlashFloodGenoa,Italy,2011

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hXp://www.drihm.eu/images/video/DRIHM_final.mp4

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FlashFloods

n  Formswi_lydueto(extremely)highrainfallrates

n  LiXleornopriorwarning

n  DevastaFngconsequences(casualFes,economiclosses,...)

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UNISDR–TheUnitedNa)onsOfficeforDisasterRiskReduc)on

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hXps://www.unisdr.org/

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GAR–GlobalAssessmentReportonDisasterRiskReduk)on2015

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hXp://www.prevenFonweb.net/english/hyogo/gar/2015/en/home/GAR_2015/GAR_2015_6.html

NumberofDisastersperRegion

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hXp://www.emdat.be/disaster_trends/index.html

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MunichRe–LossEventsWorldwide2014

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hXp://www.prevenFonweb.net/files/41773_munichreworldmapnaturalcatastrophes.pdf

MunichRe–LossEventsWorldwide2014

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hXp://www.prevenFonweb.net/files/41773_munichreworldmapnaturalcatastrophes.pdf

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FlashFloods

n  Formswi_lydueto(extremely)highrainfallrates

n  LiXleornopriorwarning

n  DevastaFngconsequences(casualFes,economiclosses,...)

n  MonitoringandforecasFngoffloods:–  EuropeanFloodAwarenessSystem(EFAS)–  GlobalFloodDetecFonSystem(GFDS)–  GlobalFloodAwarenessSystem(GloFAS)

n  Problem:spaFalresoluFon50-100kmèFlashfloodsremainundetected

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TheEUProjectSeriesDRIHM*

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PossibleSolu)on–EnvironmentalCompu)ng

n  Combinemeteorology,hydrology,hydraulicsthroughcomputerscience

n  IncreasespaFalandtemporalresoluFon(dataquality)–  RegionalClimateModels(RCM)

n  ComputeensemblesofforecaststocoverallpotenFaloutcomes

n  StartandfinishcomputaFoninFmetoprovideleadFmeforevacuaFonmeasures

è  Simulateensemblesofforecastswithhigh-resolu)onon

high-performancecompu)ng(HPC)infrastructuresondemandwhentriggeredbyincreasedrainfallrates

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AgendaofEnvironmentalCompu)ngWorkshop

SessionIn  IntroducFontotheWorkshop

(DieterKranzlmüller)n  Keynote:ResearchCenterfor

EnvironmentalChanges(Huang-HsiungHsu)

SessionIIn  TheBigPicture(Mak

Heikkurinen)n  DMCC(EricYen)n  MekongDelta(NamThoai)n  EnvironmentalExascale

CompuFng(DieterKranzlmüller)

SessionIIIn  LandUseDevelopment

SimulaFonSystems(Feng-TyanLin)

n  ApplicaFonofnumericalmodelonextremeweatherandenvironmentalstudies(Chuan-YaoLin)

n  TheApplicaFonsofAdvancedNumericalSimulaFonontheTsunamiandFloodingHazardMiFgaFon(Tso-RenWu)

SessionIVPanelandDiscussion

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TheEUProjectSeriesDRIHM*

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LeibnizSupercompu)ngCentreoftheBavarianAcademyofSciencesandHumani)es

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Withapprox.230employeesformorethan100.000studentsandformorethan30.000employeesincluding8.500scienFsts

•  EuropeanSupercompuFngCentre•  NaFonalSupercompuFngCentre

•  RegionalComputerCentreforallBavarianUniversiFes•  ComputerCentreforallMunichUniversiFes

Photo:ErnstGraf

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LeibnizSupercompu)ngCentreoftheBavarianAcademyofSciencesandHumani)es

n  EuropeanSupercompuFngCentre

n  NaFonalSupercompuFngCentre

n  RegionalComputerCentreforallBavarianUniversiFes

n  ComputerCentreforallMunichUniversiFes

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SGI UV

SGI Altix

Linux Clusters

SuperMUC

Linux Hosting and Housing

SuperMUC@LRZ

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Video: SuperMUC rendered on SuperMUC by LRZ

hXp://youtu.be/OlAS6iiqWrQ

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Top500SupercomputerList(June2012)

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www.top500.org

LRZSupercomputers

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SuperMUCPhaseII

EnvComp@ISGC2016

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SuperMUC Phase 1 + 2

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SuperMUCSystem@LRZ

Phase2(LenovoNeXtScaleWCT):

•  3.6PFlopspeakperformance•  3072LenovoNeXtScalenx360M5WCT

nodesin6computenodeislands•  2IntelXeonE5-2697v3processorsand64

GBofmemorypercomputenode•  86,016computecores•  NetworkInfinibandFDR14(fattree)

CommonGPFSfilesystemswith10PBand5PBusablestoragesizerespecFvelyCommonprogrammingenvironment

Directwarm-watercooledsystemtechnology

Phase1(IBMSystemxiDataPlex):

•  3.2PFlopspeakperformance•  9216IBMiDataPlexdx360M4nodesin18

computenodeislands•  2IntelXeonE5-2680processorsand32

GBofmemorypercomputenode•  147,456computecores•  NetworkInfinibandFDR10(fattree)

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LRZ Application Mix

n  Computational Fluid Dynamics: Optimisation of turbines and wings, noise reduction, air conditioning in trains

n  Fusion: Plasma in a future fusion reactor (ITER) n  Astrophysics: Origin and evolution of stars and galaxies n  Solid State Physics: Superconductivity, surface properties n  Geophysics: Earth quake scenarios n  Material Science: Semiconductors n  Chemistry: Catalytic reactions n  Medicine and Medical Engineering: Blood flow, aneurysms, air

conditioning of operating theatres n  Biophysics: Properties of viruses, genome analysis n  Climate research: Currents in oceans

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TheEUProjectSeriesDRIHM*

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KeyGaps

(asobservedduringtheDRIHMproject)

n  Technicalinteroperabilityandportability–  Models–  Dataformats–  ExecuFonenvironments–  Metadatadescribingthem

n  SemanFcs

n  Workflowslinkingalloftheabovetogether–  Pre-DRIHMhydrometeorologicalmodelchainwouldhavetakenweeksof

manualintegraFonwork–  Despitethefactthatwebservicesandsciencegatewaysareavailable

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Ac)onableKnowledge

HowwecouldhaveusedtheinformaFonifitwasavailablebeforehand?HowcouldweuFlizetheoutcomesofenvironmentalcompuFngforsocietey?

n  LinkswithcivilprotecFon

n  Risksduetoadisasterwithacertainprobabilityvs.certainrisksrelatedtoevacuaFon–  Falsealarms?Wedon’twanttobethe“computerthatcriedflood”–  Therearerulesregardinghowmuchofalead-FmewarningthepopulaFon

needs(30minutesbeforewouldjusttriggerchaos,makesocietymorevulnerable

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Communica)ngtheResults

Howcannon-scienFstsusetheinformaFon?

n  CivilprotecFonmodelprobablyfairlywell-established(“client”isusedtodatawithcertainuncertaintybuiltin)

n  RiskreducFon:needtoanswerquesFonsrelatedtolong-terminfrastructuredevelopmentprojectsandpolicyformaFon–  InjecFnguncertaindataintopoliFcalprocess!!–  Dealingwithfinancialinterestsunavoidable:protecFoninfrastructurein

itself,impactondevelopment:• Nobuildingpermitsonflood-proneareas,housingdevelopersnothappy•  Re-classifyingexisFnghousing,houseownersnothappy(losefloodinsuranceorincreaseinpremiums)

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AnalyzeSimula)onResults

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EnvironmentalCompuFng@LRZ

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Summary

n  Wearetalkingaboutanissuewithconsiderablesocioeconomicimportance

n  UNISDRdatare.costsofdisasters

n  DisasterriskreducFonisnotcheapeither(UKdataregardingneedforflooddefences)

n  TherewillbegrowingdemandforenvironmentalcompuFng,e.g.throughSendaiFramework,development,anyiniFaFveworkingonsocietalresilience

n  WefocusedonfloodingasstarFngpoint,butthereareotherrisks

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Wrap-UpandGoalofWorkshop

TherearemanyacFviFesaddressingsomeofthegapsidenFfied,

butwearenotawareofeffortstolookintoalloftheminacoherentmanner

Thegoalofthisworkshopistotrytocapture,structureandconceptualisethisverybroadscopeinawaythatweallcanwork

togetherandcommunicatejointresultsmoreefficiently

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Environmental Computing Workshop @ ISGC 2016

Dieter Kranzlmüller [email protected]

Photo:KarlBehler


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