region-scale evacuation modeling using gpus

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Region-Scale Evacuation Modeling using GPUs Towards Highly Interactive, GPU- based Evaluation of Evacuation Transport Scenarios at State- Scale Kalyan S. Perumalla, PhD Brandon G. Aaby Srikanth B. Yoginath Sudip K. Seal, PhD National Evacuation Conference New Orleans, LA Feb 5, 2010

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National Evacuation Conference New Orleans, LA Feb 5, 2010. Region-Scale Evacuation Modeling using GPUs. Towards Highly Interactive, GPU-based Evaluation of Evacuation Transport Scenarios at State-Scale - PowerPoint PPT Presentation

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Region-Scale Evacuation Modeling using GPUsTowards Highly Interactive, GPU-based Evaluation of Evacuation Transport Scenarios at State-Scale Kalyan S. Perumalla, PhD Brandon G. Aaby Srikanth B. Yoginath Sudip K. Seal, PhDNational Evacuation ConferenceNew Orleans, LAFeb 5, 2010#Managed by UT-Battellefor the U.S. Department of EnergyNational Evacuation Conference 2010RealSim Program at ORNLReal-Time Data Driven Simulation SystemKalyan Perumalla, Ph.D. (PI)Brian Worley, Ph.D. (Director)Vladimir Protopopescu, Ph.D.Srikanth YoginathSudip Seal, Ph.D.Brandon AabyClayton ThurmerOther collaborators

#Managed by UT-Battellefor the U.S. Department of EnergyNational Evacuation Conference 2010Our FocusNext Generation Computational CapabilityMillions of Grid CellsGPUsField-based Mobility Modeling#Managed by UT-Battellefor the U.S. Department of EnergyNational Evacuation Conference 2010Affordable, off-the-shelfDesktop-basedGPU: Graphical Processing UnitsExample: NVIDIAOriginal GeForce 6000, 7000, 8000, and 9000 seriesLatest GTX 295Upcoming GTX 300

CPUGPUDisplayMemory#Managed by UT-Battellefor the U.S. Department of EnergyNational Evacuation Conference 2010Graphics as ComputationProgrammable graphics primitives

E.g., pixel shading such as bump mapping and patterned texture mapping

#Managed by UT-Battellefor the U.S. Department of EnergyNational Evacuation Conference 2010A Few other Popular InstantiationsCommercial OfferingsIBM Cell ProcessorNVIDIA GeForce, GTXNVIDIA TeslaSupercomputing ScaleLANL RoadRunner

#Managed by UT-Battellefor the U.S. Department of EnergyNational Evacuation Conference 2010Vertical Grid ElementsIncomingOutgoing

#Managed by UT-Battellefor the U.S. Department of EnergyNational Evacuation Conference 2010Horizontal Grid ElementsIncomingOutgoing

#Managed by UT-Battellefor the U.S. Department of EnergyNational Evacuation Conference 2010FPFPFPFPTexture MemoryFP=Fragment ProcessorTypical Single PhaseExecution on GPUFPFPFPFPTexture MemoryFP=Fragment ProcessorFPFPFPFPTexture MemoryFP=Fragment ProcessorFPFPFPFPTexture MemoryFP=Fragment ProcessorFPFPFPFPTexture MemoryFP=Fragment ProcessorFPFPFPFPTexture MemoryFP=Fragment Processorvvv

GARFIELD Configurable Display with User InteractionOur Multi-phase Execution Framework for Model FlexibilityFPFPFPFPTexture MemoryFP=Fragment ProcessorvField Model Execution Framework on GPU#Managed by UT-Battellefor the U.S. Department of EnergyNational Evacuation Conference 201099GPU Data Structures and Execution

#Managed by UT-Battellefor the U.S. Department of EnergyNational Evacuation Conference 2010System Functional Architecture

#Managed by UT-Battellefor the U.S. Department of EnergyNational Evacuation Conference 2010Louisiana

#Managed by UT-Battellefor the U.S. Department of EnergyNational Evacuation Conference 2010Lousiana (continued)

#Managed by UT-Battellefor the U.S. Department of EnergyNational Evacuation Conference 2010Texas

#Managed by UT-Battellefor the U.S. Department of EnergyNational Evacuation Conference 2010Texas (continued)

#Managed by UT-Battellefor the U.S. Department of EnergyNational Evacuation Conference 2010Example Timing Results

#Managed by UT-Battellefor the U.S. Department of EnergyNational Evacuation Conference 2010New Capabilities#Managed by UT-Battellefor the U.S. Department of EnergyNational Evacuation Conference 2010For additional information

and animations,

visit our

RealSim webpage at

www.ornl.gov/~2ip#Managed by UT-Battellefor the U.S. Department of EnergyNational Evacuation Conference 2010