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Engagements

GPU-accelerated Ice Sheet Flow Modeling
University of North Dakota

Sea levels are rising (3.7 mm/year and increasing!)! The primary contributor to rising sea levels is enhanced polar ice discharge due to climate change. However, their dynamic response to climate change remains a fundamental uncertainty in future projections. Computational cost limits the simulation time on which models can run to narrow the uncertainty in future sea level rise predictions. The project's overarching goal is to leverage GPU hardware capabilities to significantly alleviate the computational cost and narrow the uncertainty in future sea level rise predictions. Solving time-independent stress balance equations to predict ice velocity or flow is the most computationally expensive part of ice-sheet simulations in terms of computer memory and execution time. The PI developed a preliminary ice-sheet flow GPU implementation for real-world glaciers. This project aims to investigate the GPU implementation further, identify bottlenecks and implement changes to justify it in the price to performance metrics to a "standard" CPU implementation. In addition, develop a performance portable hardware (or architecture) agnostic implementation.

Status: Finishing Up

People with Expertise

Chris Carothers

Rensselaer Polytechnic Institute

Programs

CAREERS

Roles

mentor, steering committee, regional admin

Expertise

Lonnie Crosby

University of Tennessee, Knoxville

Programs

Campus Champions, ACCESS CSSN

Roles

researcher/educator, research computing facilitator, Affinity Group Leader, CIP

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Expertise

Grant Scott

University of Missouri

Programs

Great Plains

Roles

mentor, steering committee

Expertise

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People with Interest

Paul Rulis

University of Missouri-Kansas City

Programs

Campus Champions

Roles

researcher/educator, research computing facilitator

Paul Rulis

Interests

Juan Jose Garcia Mesa

Arizona State University Campus Immersion

Programs

ACCESS CSSN, Campus Champions

Roles

research computing facilitator

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Interests

Gaurav Khanna

University of Rhode Island

Programs

Campus Champions, CAREERS, Northeast

Roles

mentor, regional facilitator, researcher/educator, research computing facilitator, Affinity Group Leader, steering committee

Interests