Minisymposium: Towards Exascale Computing in Kinetic Simulations of Magnetic Fusion Plasmas. Part I - Code Developments
Event TypeMinisymposium
CS and Math
TimeTuesday, 6 July 202111:00 - 13:00 CEST
LocationLise Girardin
DescriptionMagnetic fusion plasmas are subject to a plethora of collective effects such as electromagnetic waves and instabilities, spanning multiple time- and length- scales. The low collisionality of reactor core plasmas makes a kinetic description mandatory for an accurate representation. Ions and electrons have very different dynamics, and therefore the problem is intrinsically multi-scale, both in space and time. As we go towards the plasma edge, collisionality increases and the relative fluctuation amplitudes become close to unity. Due to the extreme challenges at hand, fusion plasma computations have always exploited the largest HPC resources available at any point in time, and it is anticipated that will remain so in the foreseeable future. Adapting the codes to the ever changing landscape of new and emerging computer architectures is a non-trivial challenge. In this Part I of the minisymposium, the emphasis will be on code developments and software advances in particular for ensuring the efficient exploitation of heterogeneous architectures.