Accelerating the FlowSimulator: Speeding up the HPC codes used at DLR

Abstract

This contribution summarizes activities performed at German Aerospace Center (DLR) to speed up the used high-performance computing (HPC) codes. It starts out from the overarching goals that are to be solved via HPC, showcases the current distribution of HPC usage at DLR and, thereafter, demonstrates multiple case studies for analysing and accelerating the specific codes. The list of case studies for performance analysis includes, but is not limited to, one of the CFD software "CFD by ONERA, DLR and Airbus" (CODA) and one of an industrial-grade aeroelastic toolchain. Runtimes, profiles, and traces are shown, and current actions to address the underlying bottlenecks discussed.