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BEGIN:VEVENT
DTSTAMP:20220812T074357Z
LOCATION:Darwin Room
DTSTART;TZID=Europe/Stockholm:20220628T163000
DTEND;TZID=Europe/Stockholm:20220628T183000
UID:submissions.pasc-conference.org_PASC22_sess151@linklings.com
SUMMARY:MS4G - High Performance Computing in Kinetic Simulations of Plasma
 s - Part I: HPC Opportunities
DESCRIPTION:Minisymposium\n\nRecent advances in cutting-edge physics appli
 cations of kinetic theory in plasmas will be presented. Plasmas are subjec
 t to a multitude of collective effects including electromagnetic global mo
 des, instabilities and turbulence, which span several orders of magnitude 
 in space and time scales. Various dynamically reduced approaches, such as 
 gyrokinetics of magnetized plasmas or hybrid fluid-kinetic, have been deve
 loped to circumvent some of these difficulties, but even with these reduct
 ions the problem remains far from trivial. Thanks to progresses in numeric
 al methods, algorithmic development, massive parallelization schemes enabl
 ing the efficient use of the most powerful HPC platforms, numerical simula
 tions have gained increasing levels of realism, making possible scientific
  application studies nowadays that were previously out of reach. This sess
 ion represents the first part of the three minisymposia on simulations of 
 plasmas and is dedicated more specifically towards issues related to the e
 fficient implementation of the codes on Exascale architectures. Three talk
 s will be devoted to different Particle-In-Cell codes targeting applicatio
 ns in magnetic fusion and plasma accelerators. The final talk will present
  semi-Lagrangian simulations on a six-dimensional grid.\n\nThe Performance
 -Portability Trade-Off Challenge in Next Generation Particle-In-Cell Simul
 ations\n\nTan, Luedtke, Taufer, Albright\n\nModern systems are becoming in
 creasingly more heterogeneous, making performance optimizations of individ
 ual Particle-In-Cell (PIC) codes progressively more challenging. Leveragin
 g performance portability frameworks such as Kokkos allows for a single so
 urce code to run on all major systems with good ...\n\n-------------------
 --\nXGC's Cross-Architectural Journey: Gyrokinetic Plasma Physics on Summi
 t, Perlmutter, and Frontier\n\nScheinberg, Huck, Ethier, Kulkarni, Ku...\n
 \nXGC is a particle-in-cell fusion plasma physics model. In preparation fo
 r high performance science production on the upcoming exascale systems Fro
 ntier and Aurora, XGC has undergone a major transformation, including conv
 ersion from Fortran to C++ and adoption of the portability framework Kokko
 s. Usi...\n\n---------------------\nSix-Dimensional Semi-Lagrangian Kineti
 c Plasma Simulation on the GPU Based JUWELS Booster\n\nEinkemmer, Moriggl\
 n\nPerforming kinetic plasma physics simulations using grid-based solvers 
 is very demanding both in terms of memory as well as computational cost. T
 his is primarily due to the up to six-dimensional phase space and the asso
 ciated unfavorable scaling of the computational cost as a function of grid
  spacin...\n\n---------------------\nModeling Plasma Accelerators with the
  WarpX PIC Code\n\nHuebl\n\nMany plasma and particle accelerator physics p
 roblems can be simulated with the Particle-In-Cell technique. However, dep
 ending on the details of the physical system to be simulated, the specific
 s of the corresponding best-suited PIC loop may differ considerably (e.g.,
  electromagnetic, electrostatic ...\n\n\nDomain: Computer Science and Appl
 ied Mathematics, Physics
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