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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… Login to join
FABRIC Testbed FABRIC is a US-based nation-wide testbed supporting advanced networking, application and security research funded by the US National Science Foundation. Members get help with using FABRIC and… 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

Matthew Moseley

University of Kentucky

Programs

Kentucky

Roles

mentor

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Expertise

Abdul-Rashid Zakaria

Purdue University

Programs

CCMNet

Roles

CCMNet

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Expertise

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Chris Carothers

Rensselaer Polytechnic Institute

Programs

CAREERS

Roles

mentor, steering committee, regional admin

Expertise

People with Interest

Doug Heckman

Rochester Institute of Technology

Programs

Campus Champions

Roles

research computing facilitator

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Interests

Matthew Chung

University of California Riverside

Programs

Campus Champions

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Interests

Fan Chen

Programs

ACCESS CSSN

Roles

mentor, cssn, CIP

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Interests