View Video Presentation: https://doi. org/10.2514/6.2023-1226. vid High-performance
computing (HPC) architectures are trending toward manycore paradigms such as graphics …

This paper examines the performance of two popular GPU programming platforms, Numba
and CuPy, for Monte Carlo radiation transport calculations. We conducted tests involving …

Run to run variability in parallel programs caused by floating-point non-associativity has
been known to significantly affect reproducibility in iterative algorithms, due to accumulating …

Increasing heterogeneity in HPC architectures and compiler advancements have led to
OpenMP being frequently used to enable computations on heterogeneous devices …

While modern HPC systems are being dominated by NVIDIA GPUs, new vendors such as
AMD and Intel are entering the field, which creates the problem of software portability across …

Numerical scientific computations, which are based on floating-point operations, have been
sped up greatly via GPUs or other accelerators of supercomputers. However, combinatorial …