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Jetstream-2 Jetstream2 is a transformative update to the NSF’s science and engineering cloud infrastructure and provides 8 petaFLOPS of supercomputing power to simplify data analysis, boost discovery, and… aimachine-learningjetstream +13 more tags Login to join

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Cornell Virtual Workshop Learning jetstreamstampede2cloud-computing +12 more tags Beginner, Intermediate, Advanced
HPC University Learning debugginghpc-operationsprofessional-development +7 more tags Beginner, Intermediate, Advanced
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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

Enric Jiao

Programs

ACCESS CSSN

Roles

student-facilitator

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Expertise

Sebastian Sensale

Cleveland State University

Programs

Campus Champions

Roles

research computing facilitator

Sebastian Sensale

Expertise

Darshan Sarojini

University of California, San Diego

Programs

ACCESS CSSN, Campus Champions

Roles

mentor, researcher/educator

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Expertise

People with Interest

Kyle Randall

Programs

ACCESS CSSN

Roles

student-facilitator

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Interests

Parameshwaran Pasupathy

Rutgers University - New Brunswick

Programs

ACCESS CSSN, CAREERS

Roles

student-facilitator

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Interests

Cesar Sul

University of Southern California

Programs

ACCESS CSSN, Campus Champions

Roles

mentor, research computing facilitator

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Interests