气候天气海洋ather ocean.pptx

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气候天气海洋ather ocean.pptx

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updateTESLAClimate/Weather/OceanGPU-AcceleratedApplicationSlidesUpdated:Nov12,2012

GPUPerfcomparedagainstMulti-corex86CPUsocket,featuresandmaybeakerneltokernelperfcomparisonClimate/Weather/OceanModelingSoftwareApplicationGPUFeaturesGPUPerfProductionStatusNotesCOSMOEntiremodel3xDynamicsIndevelopmentMulti-GPUWRFWSM5,WSM3,IceMicrophysicsmodels4x-6xmodelsToday,release3.2single-GPUASUCA(JMA)Entiremodel12xtotalEvaluationatJMAmulti-GPUNIMDynamicalcore7xdynamicsUnderdevelopmentmulti-GPUHIRLAMDynamicalcore3xdynamicsDemonstrationmulti-GPUHOMMEDynamicalcore3xkernelsUnderdevelopmentsingle-GPUCAM/SEEntiremodel2xdynamicsUnderdevelopmentMulti-GPUGEOS-5Entiremodel10xmodels,3xdynamicsDemonstrationmulti-GPUMITgcmDynamicalcore3xdynamicsDemonstrationsingle-GPUHYCOMDynamicalcore2xkernelsDemonstrationsingle-GPU

GPUValuetoEarthSciencesClimate/Weather/OceanModelingEarthsystemmodelingofatmosphereandoceanWhatWhySpeedofsimulationsiscriticaltothisworkHigherphysicsandmeshresolutions,improvedpredictionsHowHigh-resolutionsimulationsonlypossiblewithGPUaccelerationNOAANIMdynamics4.6xaccelerationoftotaltimewith1GPUvs.6coreCPUCPUIntelXeonX56702.93GHz;GPUTeslaC2070GPUREADYAPPLICATIONSWRFASUCANIMCOSMOHIRLAMHOMMECAM-SEGEOS-5MITgcmHYCOMGRAPES

GPUMotivation:CostofHigherResolutionResolutionisofkeyimportancetoincreasesimulationquality2xresolution≈10xcomputationalcostdx=2kmdx=1kmReality

Tsubame2.0

TokyoInstituteofTechnology1.19Petaflops4,224TeslaM2050GPUs3990TeslaM2050s145.0TflopsSP76.1TflopsDPASUCAandNWPSimulationonTsubame2.0,TiTechputer:Dr.TakayukiAoki,GSIC,TokyoInstituteofTechnology,TokyoJapanASUCAandGPUAchievementonTsubame2.0

CAM-SECriticalApplicationforTitanatUSDOEORNLWorld’sTopOpenScienceComputingResearchFacilityTitan2xFaster,3xMoreEnergyEfficientthanCurrent#1(KComputerinJapan)18,000NVIDI