Left-Preconditioned Communication-Avoiding Conjugate Gradient Methods for Multiphase CFD Simulations on the K Computer. - Akie Mayumi; Yasuhiro Idomura; Takuya Ina; Susumu Yamada; Toshiyuki Imamura (ScalA@SC, 2016)

Quadruple-Precision BLAS Using Bailey's Arithmetic with FMA Instruction: Its Performance and Applications. - Susumu Yamada; Toshiyuki Imamura; Takuya Ina; Narimasa Sasa; Yasuhiro Idomura; Masahiko Machida (IPDPS Workshops, 2017)

Application of a communication-avoiding generalized minimal residual method to a gyrokinetic five dimensional eulerian code on many core platforms. - Yasuhiro Idomura; Takuya Ina; Akie Mayumi; Susumu Yamada; Kazuya Matsumoto; Yuuichi Asahi; Toshiyuki Imamura (ScalA@SC, 2017)

Optimization of Fusion Kernels on Accelerators with Indirect or Strided Memory Access Patterns. - Yuuichi Asahi; Guillaume Latu; Takuya Ina; Yasuhiro Idomura; Virginie Grandgirard; Xavier Garbet (IEEE Trans. Parallel Distributed Syst., 2017)

Application of a Preconditioned Chebyshev Basis Communication-Avoiding Conjugate Gradient Method to a Multiphase Thermal-Hydraulic CFD Code. - Yasuhiro Idomura; Takuya Ina; Akie Mayumi; Susumu Yamada; Toshiyuki Imamura (SCFA, 2018)

GPU Acceleration of Communication Avoiding Chebyshev Basis Conjugate Gradient Solver for Multiphase CFD Simulations. - Yussuf Ali; Naoyuki Onodera; Yasuhiro Idomura; Takuya Ina (ScalA@SC, 2019)

Implementation and performance evaluation of a communication-avoiding GMRES method for stencil-based code on GPU cluster. - Kazuya Matsumoto; Yasuhiro Idomura; Takuya Ina; Akie Mayumi; Susumu Yamada (J. Supercomput., 2019)

Prompt Report on Exa-Scale HPL-AI Benchmark. - Shuhei Kudo; Keigo Nitadori; Takuya Ina; Toshiyuki Imamura (CLUSTER, 2020)

Acceleration of fusion plasma turbulence simulations using the mixed-precision communication-avoiding krylov method. - Yasuhiro Idomura; Takuya Ina; Yussuf Ali; Toshiyuki Imamura (SC, 2020)

Implementation and Numerical Techniques for One EFlop/s HPL-AI Benchmark on Fugaku. - Shuhei Kudo; Keigo Nitadori; Takuya Ina; Toshiyuki Imamura (ScalA@SC, 2020)

Iterative methods with mixed-precision preconditioning for ill-conditioned linear systems in multiphase CFD simulations. - Takuya Ina; Yasuhiro Idomura; Toshiyuki Imamura; Susumu Yamashita; Naoyuki Onodera (ScalA@SC, 2021)

GPU Optimization of Lattice Boltzmann Method with Local Ensemble Transform Kalman Filter. - Yuta Hasegawa; Toshiyuki Imamura; Takuya Ina; Naoyuki Onodera; Yuuichi Asahi; Yasuhiro Idomura (ScalAH@SC, 2022)

A new data conversion method for mixed precision Krylov solvers with FP16/BF16 Jacobi preconditioners. - Takuya Ina; Yasuhiro Idomura; Toshiyuki Imamura; Naoyuki Onodera (HPC Asia, 2023)