Scaling SU(2) to 1000 GPUs using HiRep

Abstract

HiRep allows flexible simulations of higher representations of Wilson Fermions with various actions and gauge groups and a range of inverters and integrators. This is particularly important for enabling evaluations of observables relevant to phenomenological inputs for Beyond-the-Standard-Model physics from lattice field theory. We present progress on the GPU porting of available features, especially in terms of scaling to large jobs on AMD GPUs.

Proceedings contribution to "The 41st International Symposium on Lattice Field Theory (LATTICE2024)"