IBM's Supercomputer Mira Shaping Fusion Plasma Research - HPC ASIA
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IBM’s Supercomputer Mira Shaping Fusion Plasma Research

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This picture shows trapped (left cross-section) and flitting (right cross-section) electrons carried in a bootstrap stream of a tokamak.

The IBM Blue Gene/Q supercomputer Mira, housed during a Argonne inhabitant laboratory Argonne Leadership Computing Facility (ACLF), is delivering new insights into a production behind chief fusion, assisting researchers to rise a new bargain of a nucleus duty in corner plasma – a vicious step to formulating an fit alloy reaction.

Principal questioner CS Chang, conduct of a US SciDAC-3 Partnership for Edge Physics Simulation, headquartered during Princeton Plasma Physics Laboratory (PPPL), and co-investigator Robert Hager of PPPL recently led a group that grown this new discernment into a properties of a self-generating electrical stream that boosts appetite in a tokamak alloy reactor.

With the first plant-scale prototype fusion reactor, ITER, currently under construction in France and slated to begin experimental tests around 2025, it is a critical time for the international teams of scientists and engineers to understand the mechanics behind delivering a sustainable efficient fusion reaction.

The team used the latest iteration, XGCa, of the XGC gyrokinetic code. XGC is the only code capable of simulating electron particle behaviour from first-principles in realistic tokamak edge geometry, making it a computationally demanding code that requires petaflop scale systems like Mira.

When researchers initially ran into problems running their large-scale simulations, Williams and ALCF systems specialist Adam Scovel identified where the code was hanging in a BlueGene-specific library function.

 

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