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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: Complete

People with Expertise

Madhukara Kekulandara

University of Rhode Island

Programs

CAREERS

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student-facilitator

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Expertise

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Samuel Siewert

California State University-Chico

Programs

ACCESS CSSN

Roles

cssn

Associate Professor - California State University Chico

Expertise

Yu-Chieh Chi

University of California, Santa Barbara

Programs

Campus Champions

Roles

researcher/educator, research computing facilitator, research software engineer

Jay Chi

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c
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People with Interest

Yating Fang

Rutgers University

Programs

Northeast

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student-facilitator

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Andrew Fullard

University of Denver

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Campus Champions

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mentor, researcher/educator, research computing facilitator, research software engineer

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Interests

DooSoo Yoon

University of Iowa

Programs

Campus Champions

Roles

research computing facilitator

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Interests