The fast Fourier transform (FFT) is an efficient implementation of the discrete Fourier
transform (DFT). The FFT is widely used in numerous applications in engineering, science …

In recent years, much High Performance Computing (HPC) researchers attract to utilize Field
Programmable Gate Arrays (FPGAs) for HPC applications. We can use FPGAs for …

A new hybrid kinetic electron model is developed for electrostatic full-f gyrokinetic
simulations of the ion temperature gradient driven trapped electron mode (ITG-TEM) …

A long time ion temperature gradient driven turbulence simulation over a confinement time is
performed using the full-f gyrokinetic Eulerian code GT5D. The convergence of steady …

In recent years, significant attention has been paid to the precise determination of relocation
of molten materials in reactor pressure vessels of boiling water reactors (BWRs) during …

In recent years, Field Programmable Gate Array (FPGA) has been a topic of interest in High
Performance Computing (HPC) research. Although the biggest problem in utilizing FPGAs …

This paper introduces current research on automatic performance tuning, specifically in the
Japanese community, from two aspects. First, we discuss autotuning (AT) research from the …

Krylov solvers are key kernels in many large-scale science and engineering applications for
solving sparse linear systems. Applications running at scale can experience significant …

In the high-performance computing domain, Field Programmable Gate Array (FPGA) is a
novel accelerator that exhibits high flexibility and performance characteristics distinct from …

The multi-scale full-f simulation of the next generation experimental fusion reactor ITER
based on a five dimensional (5D) gyrokinetic model is one of the most computationally …