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GTC ON-DEMAND

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Abstract:
Learn about the science of magnetically confined plasmas to develop the predictive capability needed for a sustainable fusion energy source. Gyrokinetic simulations are one of the most useful tools for understanding fusion science. We'll explain the CGYRO code, built by researchers at General Atomics to effectively and efficiently simulate plasma evolution over multiple scales that range from electrons to heavy ions. Fusion plasma simulations are compute- and memory-intensive and usually run on leadership-class, GPU-Accelerated HPC systems like Oak Ridge National Laboratory's Titan and Summit. We'll explain how we designed and implemented CGYRO to make good use of the tens of thousands of GPUs on such systems, which provide simulations that bring us closer to fusion as an abundant clean energy source. We'll also share benchmarking results of both CPU- and GPU-Based systems.
Learn about the science of magnetically confined plasmas to develop the predictive capability needed for a sustainable fusion energy source. Gyrokinetic simulations are one of the most useful tools for understanding fusion science. We'll explain the CGYRO code, built by researchers at General Atomics to effectively and efficiently simulate plasma evolution over multiple scales that range from electrons to heavy ions. Fusion plasma simulations are compute- and memory-intensive and usually run on leadership-class, GPU-Accelerated HPC systems like Oak Ridge National Laboratory's Titan and Summit. We'll explain how we designed and implemented CGYRO to make good use of the tens of thousands of GPUs on such systems, which provide simulations that bring us closer to fusion as an abundant clean energy source. We'll also share benchmarking results of both CPU- and GPU-Based systems.  Back
 
Topics:
HPC and AI, AI & Deep Learning Research
Type:
Talk
Event:
GTC Silicon Valley
Year:
2019
Session ID:
S9202
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Abstract:
Attendees will learn about the role of CGYRO in simulating the confinement of plasma in toroidal fusion devices. CGYRO solves the gyrokinetic equations which describe the nonlinear, turbulent flow of plasma in toroidal geometry. It is compute and memory intensive, with high-fidelity cases running on leadership class HPC systems, like the U.S. Department of Energy's Oak Ridge National Laboratory (ORNL) Titan and Summit GPU-heavy supercomputers. Attendees will learn about the physics motivation, the software architecture, as well as the performance on leadership systems. In particular, we will discuss how CGYRO was designed and implemented to make good use of the tens of thousands of GPUs on leadership systems working in unison to provide simulations that bring us ever closer to fusion as an abundant clean energy source. 
Attendees will learn about the role of CGYRO in simulating the confinement of plasma in toroidal fusion devices. CGYRO solves the gyrokinetic equations which describe the nonlinear, turbulent flow of plasma in toroidal geometry. It is compute and memory intensive, with high-fidelity cases running on leadership class HPC systems, like the U.S. Department of Energy's Oak Ridge National Laboratory (ORNL) Titan and Summit GPU-heavy supercomputers. Attendees will learn about the physics motivation, the software architecture, as well as the performance on leadership systems. In particular, we will discuss how CGYRO was designed and implemented to make good use of the tens of thousands of GPUs on leadership systems working in unison to provide simulations that bring us ever closer to fusion as an abundant clean energy source. 
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Topics:
Science and Research
Type:
Talk
Event:
Supercomputing
Year:
2018
Session ID:
SC1834
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