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performance-tuning

Mentors and Regional Facilitators
Name Region Skills Interests
Aaron Jezghani Campus Champions
Christopher Bl… Campus Champions
Daniel Howard RMACC, Campus Champions, ACCESS CSSN, CCMNet
Edwin Posada Campus Champions
Jason Wells ACCESS CSSN, Campus Champions
Jason Yalim Campus Champions
Katia Bulekova ACCESS CSSN, Campus Champions, CAREERS, Northeast, CCMNet
Nicholas Danes Campus Champions, MINES
Justin Oelgoetz Campus Champions
Paul Rulis Campus Champions
Rebecca Belshe Campus Champions, CCMNet
Ron Rahaman Campus Champions
Sean Anderson Campus Champions, CCMNet
Xiaoqin Huang ACCESS CSSN
Xiaoge Wang Campus Champions

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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

Katia Bulekova

Boston University

Programs

ACCESS CSSN, Campus Champions, CAREERS, Northeast, CCMNet

Roles

mentor, research computing facilitator, CCMNet

image of Katia Bulekova

Expertise

Nicholas Danes

Colorado School of Mines

Programs

Campus Champions, MINES

Roles

mentor, research computing facilitator

Expertise

Anton Semenchenko

Programs

CCMNet

Roles

CCMNet

Anton

Expertise

People with Interest

Matthew Gilmore

University of North Dakota

Programs

ACCESS CSSN

Roles

cssn

Formal photo of Matthew Gilmore Fall 2021

Interests

Raghunandan Pratoori

Iowa State University

Programs

ACCESS CSSN

Roles

student-facilitator

Placeholder headshot

Interests

Katia Bulekova

Boston University

Programs

ACCESS CSSN, Campus Champions, CAREERS, Northeast, CCMNet

Roles

mentor, research computing facilitator, CCMNet

image of Katia Bulekova

Interests