4 papers
Risk-averse Optimization in Random Materials: Algorithmic Advances and HPC Acceleration
Niklas Baumgarten, Marcel Koch, David Schneiderhan +2
We summarize our advances in the algorithmic development and hardware utilization for risk-averse optimization problems in random materials. This includes risk-averse optimization…
Investigating Matrix Repartitioning to Address the Over- and Undersubscription Challenge for a GPU-based CFD Solver
Gregor Olenik, Marcel Koch, Hartwig Anzt
Modern high-performance computing (HPC) increasingly relies on GPUs, but integrating GPU acceleration into complex scientific frameworks like OpenFOAM remains a challenge. Existing…
Software Development Aspects of Integrating Linear Algebra Libraries
Marcel Koch, Tobias Ribizel, Pratik Nayak +3
Many scientific discoveries are made through, or aided by, the use of simulation software. These sophisticated software applications are not built from the ground up, instead they…
Performance evaluation of mixed-precision Runge-Kutta methods for the solution of partial differential equations
Ivo Dravins, Marcel Koch, Victoria Griehl +1
This work focuses on the numerical study of a recently published class of Runge-Kutta methods designed for mixed-precision arithmetic. We employ the methods in solving partial diff…