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performance-tuning

Mentors and Regional Facilitators
Name Region Skills Interests
Aaron Jezghani Campus Champions
Christopher Bl… Campus Champions
Deborah Penchoff Campus Champions
Daniel Howard ACCESS CSSN, Campus Champions, CCMNet, RMACC
Edwin Posada Campus Champions
Jason Wells ACCESS CSSN, Campus Champions
Jason Yalim Campus Champions
Katia Bulekova ACCESS CSSN, Campus Champions, CAREERS, CCMNet, Northeast
Nicholas Danes Campus Champions, MINES
Justin Oelgoetz Campus Champions, CCMNet
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: Complete

People with Expertise

Daniel Howard

University Corporation for Atmospheric Research

Programs

ACCESS CSSN, Campus Champions, CCMNet, RMACC

Roles

mentor, research computing facilitator, research software engineer, CCMNet

Daniel Howard headshot

Expertise

c
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Nihar Biradar

Rutgers University

Programs

CAREERS

Roles

student-facilitator

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Expertise

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Deborah Penchoff

University of Tennessee - Knoxville

Programs

Campus Champions

Roles

research computing facilitator

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Expertise

People with Interest

Shubha Kope

Columbia University

Programs

Campus Champions

Roles

research computing facilitator, ci systems engineer

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Interests

Mohsen Ahmadkhani

Programs

CCMNet, ACCESS CSSN

Roles

student-facilitator, mentor, cssn, CCMNet

Mohsen Ahmadkhani

Interests

Daniel Howard

University Corporation for Atmospheric Research

Programs

ACCESS CSSN, Campus Champions, CCMNet, RMACC

Roles

mentor, research computing facilitator, research software engineer, CCMNet

Daniel Howard headshot

Interests