"ˆÉ“c –¾O,‰¬“c •Žj,ˆÉ“c –¾O,‰¬“c •Žj,‰¡“c —‰›","‘Î̃uƒƒbƒN’჉ƒ“ƒNs—ñ‚̸“x•ÛØ•t‚«ŒÅ—L’l–â‘è‰ð–@","“ú–{‰ž—p”—Šw‰ï2022”N“x”N‰ï",,,,,,2022,Sept. "Rise Ooi,Takeshi Iwashita,Takeshi Fukaya,Akihiro Ida,Rio Yokota","Effect of Mixed Precision Computing on H-Matrix Vector Multiplication in BEM Analysis","HPC Asia 2020","Proceedings of HPC Asia 2020",,,,,2020,Jan. "Akihiro Ida,Hiroshi Nakashima,Tasuku Hiraishi,Ichitaro Yamazaki,Rio Yokota,Takeshi Iwashita","QR Factorization of Block Low-rank Matrices with Weak Admissibility Condition",,"Journal of Information Processing",,"Vol. 12","No. 4",,2019,Nov. "Satoshi Ohshima,Ichitaro Yamazaki,Akihiro Ida,Rio Yokota","Optimization of Numerous Small Dense-Matrix?Vector Multiplications in H-matrix Arithmetic on GPU","Auto-Tuning for Multicore and GPU (ATMG) In conjunction with the IEEE MCSoC-19",,,,,,2019,Oct. "Ichitaro Yamazaki,Akihiro Ida,Rio Yokota,Jack Dongarra","Distributed Memory Lattice H-matrix Factorization",,"The International Journal of High Performance Computing Applications",,,,,2019,Aug. "Ichitaro Yamazaki,Ahmad Abdelfattah,Akihiro Ida,Satoshi Ohshima,Stanimire Tomov,Rio Yokota,Jack Dongarra","Analyzing Performance of BiCGStab with Hierarchical Matrix on GPU clusters","32nd IEEE International Parallel & Distributed Processing Symposium",,,,,,2018,May "Satoshi Ohshima,Ichitaro Yamazaki,Akihiro Ida,Rio Yokota","Optimization of Hierarchical Matrix Computation on GPU","SC Asia",,,,,,2018,Mar. "‘哇 ‘Žj,ŽRè Žs‘¾˜Y,ˆÉ“c –¾O,‰¡“c—‰›","GPUƒNƒ‰ƒXƒ^ã‚É‚¨‚¯‚éŠK‘wŒ^s—ñŒvŽZ‚ÌÅ“K‰»","Summer United Workshops on Parallel, Distributed and Cooperative Processing",,,,,,2017,July