Presenter

Toshiyuki Imamura is a team leader of the Large-scale Parallel Numerical Computing Technology team at RIKEN R-CCS and is responsible for developing numerical libraries on Fugaku. His research team has developed and maintained high-performance numerical software, especially for numerical linear algebra, on the K computer and the Fugaku supercomputer, and these activities will continue on the FugakuNEXT system. His research interests include HPC, performance autotuning technology, developing the high-performance parallel eigenvalue library EigenExa, and mixed-precision so-called the FP64 emulation towards emerging GPU systems. His research group won the HPL-MpX ranking with the first exascale benchmark record 2.0EFLOPS using the full Fugaku system in 2020-2021. He was nominated as a Gordon Bell Prize finalist at SC05, SC06, and SC20, with significant contributions to large-scale parallel eigensolver for scientific application codes.