Name: Benchmarking Lattice QCD Staggered Fermion Kernel Written in Kokkos - Simon Schlepphorst, Forschungszentrum Juelich GmbH
Start: 2025-05-07T15:50:00-0500
End: 2025-05-07T16:00:00-0500

May 5-8, 2025
Chicago, IL
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Wednesday May 7, 2025 3:50pm - 4:00pm CDT

Salon A-C

Lattice quantum chromodynamics (QCD) is a numerical approach to studying the interactions of quarks and gluons, where the fundamental eqautions governing their interactions are discretized to a four dimension spacetime lattice. One of the most costly computations is the inversion of the lattice Dirac operator, a large sparse matrix. Calculating this inversion with iterative solvers leads to many applications of that operator. This study builds on previous work where we implemented the staggered fermion Dirac operator as a benchmark in Kokkos. We investigate the effects of the tiling size in combination with the use of a 4D MDRangePolicy and 7D Views.

Speakers

Simon Schlepphorst

Research Software Engineer, Jülich Supercomputing Centre

After graduating with a Master's degree in physics from the University of Bonn, Simon became a Research Software Engineer at the Juelich Supercomputing Centre developing Lattice QCD codes for current and upcoming accelerators.

Wednesday May 7, 2025 3:50pm - 4:00pm CDT
Salon A-C

Kokkos User Group Meeting, Kokkos Lightning Talks

HPSF Conference 2025

Simon Schlepphorst

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