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Expanse Expanse is a dedicated ACCESS cluster designed by Dell and SDSC delivering 5.16 peak petaflops, and will offer Composable Systems and Cloud Bursting. Expanse's standard compute nodes are each… Login to join
FASTER Fostering Accelerated Scientific Transformations, Education, and Research (FASTER) is a NSF-MRI-funded cluster (award number 2019129) that offers state of the art CPUs, GPUs, and NVMe (Non-Volatile… Login to join
DELTA DELTA is a dedicated, ACCESS-allocated resource designed by HPE and NCSA, delivering a highly capable GPU-focused compute environment for GPU and CPU workloads. Besides offering a mix of standard and… Login to join

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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

Brian Gregor

Boston University

Programs

Northeast, Campus Champions

Roles

mentor, research computing facilitator

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Expertise

Anton Semenchenko

Programs

CCMNet

Roles

CCMNet

Anton

Expertise

Rebecca Belshe

Arizona State University

Programs

Campus Champions, CCMNet

Roles

research computing facilitator, CCMNet

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Expertise

People with Interest

Dung Vu

California State University-San Bernardino

Programs

ACCESS CSSN, Campus Champions

Roles

research computing facilitator, CIP

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Interests

Alexandra Lamtyugina

University of Chicago

Programs

ACCESS CSSN

Roles

student-facilitator

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Interests

Shawn Sivy

The College of New Jersey

Programs

Campus Champions, CAREERS

Roles

research computing facilitator, ci systems engineer

Interests