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2023 | |
1 | [Outstanding Presentation Award] H. Tadano, Development and performance evaluation of the Block GPBiCGrQ method with variable grouping strategy, The 42nd JSST Annual International Conference on Simulation Technology (JSST2023), Niigata, Japan, Aug. 2023. |
2 | H. Nakano, N. Todoroki, H. Tadano, Parallel calculations of the extremely large number of MPI processes in Fugaku, The 42nd JSST Annual International Conference on Simulation Technology (JSST2023), Niigata, Japan, Aug. 2023. |
2022 | |
3 | H. Tadano, Implementation of a hierarchical parallel solver for saddle point problems on a GPU cluster, The 41st JSST Annual International Conference on Simulation Technology (JSST2022), Virtual Conference, Sep. 2022. |
2021 | |
4 | H. Tadano, Parallel implementation of the approach for solving saddle point problem using block structure, The 40th JSST Annual International Conference on Simulation Technology (JSST2021), Virtual Conference, Sep. 2021. |
5 | T. Yamashita, T. Itoh, H. Tadano, A parallelization strategy for incomplete decomposition-based preconditioner for solving linear systems, The 40th JSST Annual International Conference on Simulation Technology (JSST2021), Virtual Conference, Sep. 2021. |
2020 | |
6 | H. Tadano, S. Ishikawa, A Numerical Study on the Acceleration of Solution of Saddle Point Problems by Using Block Krylov Subspace Methods, 19th Biennial IEEE Conference on Electromagnetic Field Computation (CEFC 2020), Virtual Conference, Nov. 2020. |
7 | D. Tsuji, T. Boku, R. Ikeda, T. Sato, H. Tadano, H. Kusaka, Parallelized GPU Code of City-Level Large Eddy Simulation, 19th International Symposium on Parallel and Distributed Computing (ISPDC 2020), Virtual Conference, Jul. 2020. |
8 | D. Tsuji, H. Tadano, T. Boku, R. Ikeda, T. Sato, H. Kusaka, Implementation and performance evaluation of parallel OpenACC climate code City-LES on GPU cluster, Poster Session, International Conference on High Performance Computing in Asia-Pacific Region (HPC Asia 2020), Fukuoka, Japan, Jan. 2020. |
2019 | |
9 | A. Saitoh, Y. Hirabuki, H. Tadano, T. Takayama, A. Kamitani, Volumetric 3D reconstruction based on tomographic image data: acceleration by Global ICCG method, International Conference on Simulation Technology (JSST2019), Miyazaki, Japan, Nov. 2019. |
10 | H. Tadano, Performance evaluation of the Block GWBiCGSTAB method with dynamic grouping strategy, International Conference on Simulation Technology (JSST2019), Miyazaki, Japan, Nov. 2019. |
2018 | |
11 | H. Tadano, R. Kuramoto, An improvement of the Block BiCGSTAB method by reconsructing recursions, International Conference on Simulation Technology (JSST2018), Hokkaido, Japan, Sep. 2018. |
12 | H. Tadano, Convergence property and accuracy improvement of Block BiCGSTAB class solvers for linear systems with many right-hand sides, Poster Session, 18th SIAM Conference on Parallel Processing Computing (PP18), Tokyo, Japan, Mar. 2018. |
13 | H. Tadano, Development of a numerical stable Block Krylov subspace metehod for generating high accuracy solutions, Poster Session, International Workshop on Eigenvalue Problems: Algorithms; Software and Applications, in Petascale Computing (EPASA2018), Tsukuba, Japan, Mar. 2018. |
2017 | |
14 | H. Tadano, Stabilization of the Block BiCGGR method for linear systems with multiple right-hand sides, International Conference on Simulation Technology (JSST2017), Tokyo, Japan, Oct. 2017. |
2016 | |
15 | H. Tadano, Numerical investigation of the cause of accuracy degradation of approximate solutions generated by Shifted Block Krylov subspace methods, The 1st Japan-Thailand Workshop on Numerical and Experimental Approaches to Nonlinear Problems, Bangkok, Thailand, Dec. 2016. |
16 | H. Tadano, R. Ikeda, H. Kusaka, Speeding up Large Eddy Simulation by Multigrid preconditioned Krylov subspace methods with mixed precision, International Conference on Simulation Technology (JSST2016), Kyoto, Japan, Oct. 2016. |
2015 | |
17 | H. Tadano, S. Saito, A. Imakura, Development of the Shifted Block BiCGGR method and accuracy improvement of approximate solutions, International Conference on Simulation Technology (JSST2015), Toyama, Japan, Oct. 2015. |
18 | H. Tadano, S. Saito, A. Imakura, Accuracy improvement of the Shifted Block BiCGGR method for linear systems with multiple shifts and multiple right-hand sides, Poster Session, International Workshop on Eigenvalue Problems: Algorithms; Software and Applications, in Petascale Computing (EPASA2015), Tsukuba, Japan, Sep., 2015. |
2014 | |
19 | H. Tadano, Stabilization of the Block BiCGGR method by the Partial Near Breakdown procedure, International Conference on Simulation Technology (JSST2014), Kitakyushu, Japan, Oct. 2014. |
2013 | |
20 | H. Tadano, Improvement of Numerical Stability of a Block Krylov Subspace Method for Computing High Accuracy Solutions, International Conference on Simulation Technology (JSST2013), Tokyo, Japan, Sep. 2013. |
21 | T. Sakurai, Y. Futamura, L. Du, H. Tadano, A Hierarchical Parallel Implementation of a Contour Integral-Based Eigensolver on Trilinos. SIAM Conference on Computational Science and Enginnering, USA, Feb. 2013. |
2012 | |
22 | L. Du, T. Sakurai, H. Tadano, M. Naito. IDR(s) for Linear Systems with Multiple Shifts and Multiple Right-Hand Sides. The 8th East Asia SIAM Conference (EASIAM 2012), Taiwan, Jun. 2012. |
2010 | |
23 | T. Sakurai, H. Tadano, T. Ikegami. A Hierarchical Parallel Eigenvalue Solver: Parallelism on Top of Multicore Linear Solvers. 6th International Workshop on Parallel Matrix Algorithms and Applications (PMAA'10), Switzerland, Jun. 2010. |
24 | Y. Futamura, H. Tadano, T. Sakurai. Parallel Stochastic Estimation Method for Matrix Eigenvalue Distribution. 6th International Workshop on Parallel Matrix Algorithms and Applications (PMAA'10), Switzerland, Jun. 2010. |
2009 | |
25 | I. Yamazaki, M. Okada, H. Tadano, T. Sakurai, and K. Teranishi. A Block Approximate Inverse with Cutoff Preconditioner for Semi-Sparse Linear Systems. International Conference on Preconditioning Techniques for Scientific and Industrial Applications (Preconditioning 2009), Hong Kong, Aug. 2009. |
26 | H. Tadano and T. Sakurai. Acceleration of Convergence by Block Krylov Subspace Methods on Multi-Core Processors. 15th International Conference on Finite Elements in Flow Problems (FEF 09), Tokyo, Japan, Apr. 2009. |
2008 | |
27 | H. Tadano and T. Sakurai. A performance evaluation of block Krylov subspace methods for the contour integral method. International Symposium on Frontiers of Computational Science 2008, Nagoya, Japan, Nov. 2008. |
28 | T. Sakurai and H. Tadano. An Inner/Outer Loop Free Parallel Method for Interior Eigenvalue Problems. 7th International Workshop on Accurate Solution of Eigenvalue Problems, Dubrovnik, Croatia, June. 2008. |
29 | J. Asakura, T. Sakurai, H. Tadano, T. Ikegami and K. Kimura. A Linearization Method for Polynomial Eigenvalue Problems Using a Contour Integral. 7th International Workshop on Accurate Solution of Eigenvalue Problems, Dubrovnik, Croatia, June. 2008. |
30 | T. Sakurai, T. Kihara, and H. Tadano. A Mixed Precision Krylov Subspace Method for QCD Simulation. SIAM Conference on Parallel Processing for Scientific Computing (PP08), Atlanta, USA, Mar. 2008. |
31 | T. Sakurai, T. Kihara, and H. Tadano. On Convergence Behavior of Mixed Precision Krylov Subspace Methods. 2008 International Workshop on Numerical Verification and Its Applications (INVA2008), Okinawa, Japan, Mar. 2008. |
32 | H. Tadano, T. Kihara and T. Sakurai. An Implementation of the CIRR Method with Shifted Linear Systems on the Cell Broadband Engine. Recent Advances in Numerical Methods for Eigenvalue Problems (RANMEP2008), Hsinchu, Taiwan, Jan. 2008. |
33 | K. Senzaki, H. Tadano, T. Sakurai and Z. Bai. A Method for Estimating a Distribution of Eigenvalues Using the AMLS Method. Recent Advances in Numerical Methods for Eigenvalue Problems (RANMEP2008), Hsinchu, Taiwan, Jan. 2008. |
34 | T. Sakurai, H. Tadano, and U. Nagashima. A Parallel Eigensolver Using Contour Integration for Generalized Eigenvaule Problems in Molecular Simulation. Recent Advances in Numerical Methods for Eigenvalue Problems (RANMEP2008), Hsinchu, Taiwan, Jan. 2008. |
2007 | |
35 | T. Kihara, H. Tadano and T. Sakurai. A Single Precision Preconditioner for Krylov Subspace Iterative Methods on the CELL Processor. 2007 International Conference on Preconditioning Techniques for Large Sparse Matrix Problems in Scientific and Industrial Applications (Preconditioning 2007), Toulouse, France, Jul. 2007. |
36 | H. Tadano and T. Sakurai. On Single Precision Preconditioners for Krylov Subspace Iterative Methods. 6th International Conference on Large-Scale Scientific Computations (LSSC'07), Sozopol, Bulgaria, Jun. 2007. |
37 | Y. Kodaki, H. Tadano and T. Sakurai. A Parallel Method for Generalized Eigenvalue Problems uYsing Cascading GridRPC. 6th International Conference on Large-Scale Scientific Computations (LSSC'07), Sozopol, Bulgaria, Jun. 2007. |
2006 | |
38 | T. Sakurai and H. Tadano. A Rayleigh-Ritz Type Method for Large-Scale Generalized Eigenvalue Problems. The First China-Japan-Korea Joint Conference on Numerical Mathematics, Sapporo, Japan, Aug. 2006. |
39 | T. Sakurai, Y. Kodaki, H. Tadano, Y. Inadomi, H. Umeda, T. Watanabe and U. Nagashima. A Master-Worker Type Eigensolver for Large-Scale Molecular Orbital Computations. Workshop on State-of-the-Art in Scientific and Parallel Computing (PARA'06), Umeå, Sweden, June. 2006. |
40 | M. Okada, H. Tadano, T. Sakurai and U. Nagashima. On Preconditioners for Complex Symmetric Systems of Linear Equations in a Parallel Eigensolver. SIAM Conference on Parallel Processing for Scientific Computing (SIAM PP06), San Francisco, USA, Feb. 2006. |
2005 | |
41 | H. Tadano and T. Sakurai. A Method for Avoiding Near-Breakdown in the CGS Methods. Joint Workshop on Computational Chemistry and Numerical Analysis in 2005 (CCNA2005), Tokyo, Japan, Dec. 2005. |
42 | H. Tadano and T. Sakurai. A Stabilization of the CGS Method by Avoiding Near-Breakdown. International Conference of Numerical Analysis and Applied Mathematics 2005 (ICNAAM2005), Rhodos, Greece, Sep. 2005. |
2004 | |
43 | H. Tadano and T. Sakurai. A Method for Avoiding Breakdown in Product-Type Iterative Methods and Its Behavior for Toeplitz Linear Systems. International Conference of Numerical Analysis and Applied Mathematics 2004 (ICNAAM2004), Chalkis, Greece, Sep. 2004. |
44 | T. Sakurai, H. Tadano, Y. Inadomi and U. Nagashima. A Moment-Based Method for Large-Scale Generalized Eigenvalue Problems. International Conference of Numerical Analysis and Applied Mathematics 2004 (ICNAAM2004), Chalkis, Greece, Sep. 2004. |