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Katsuhisa Ozaki

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2020 – today

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2024
[j12]
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Hiroyuki Ootomo, Katsuhisa Ozaki, Rio Yokota:
DGEMM on integer matrix multiplication unit. Int. J. High Perform. Comput. Appl. 38(4): 297-313 (2024)
[j11]
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Yuki Uchino, Takeshi Terao, Katsuhisa Ozaki:
Acceleration of iterative refinement for singular value decomposition. Numer. Algorithms 95(2): 979-1009 (2024)
[i4]
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  - journals/corr/abs-2401-08242
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Sora Sawai, Kazuaki Tanaka, Katsuhisa Ozaki, Shin'ichi Oishi:
Polygonal Sequence-driven Triangulation Validator: An Incremental Approach to 2D Triangulation Verification. CoRR abs/2401.08242 (2024)
[i3]
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  - journals/corr/abs-2406-02033
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Takeshi Terao, Katsuhisa Ozaki:
Method for Verifying Solutions of Sparse Linear Systems with General Coefficients. CoRR abs/2406.02033 (2024)
[i2]
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  - journals/corr/abs-2409-13313
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Yuki Uchino, Katsuhisa Ozaki, Toshiyuki Imamura:
Performance Enhancement of the Ozaki Scheme on Integer Matrix Multiplication Unit. CoRR abs/2409.13313 (2024)
2023
[i1]
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  - journals/corr/abs-2306-11975
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Hiroyuki Ootomo, Katsuhisa Ozaki, Rio Yokota:
DGEMM on Integer Matrix Multiplication Unit. CoRR abs/2306.11975 (2023)
2022
[j10]
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Katsuhisa Ozaki, Takeshi Ogita:
Generation of test matrices with specified eigenvalues using floating-point arithmetic. Numer. Algorithms 90(1): 241-262 (2022)
[c6]
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Daichi Mukunoki, Katsuhisa Ozaki, Takeshi Ogita, Toshiyuki Imamura:
Infinite-Precision Inner Product and Sparse Matrix-Vector Multiplication Using Ozaki Scheme with Dot2 on Manycore Processors. PPAM (1) 2022: 40-54
2021
[c5]
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Daichi Mukunoki, Katsuhisa Ozaki, Takeshi Ogita, Roman Iakymchuk:
Conjugate Gradient Solvers with High Accuracy and Bit-wise Reproducibility between CPU and GPU using Ozaki scheme. HPC Asia 2021: 100-109
[c4]
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Daichi Mukunoki, Katsuhisa Ozaki, Takeshi Ogita, Toshiyuki Imamura:
Accurate Matrix Multiplication on Binary128 Format Accelerated by Ozaki Scheme. ICPP 2021: 78:1-78:11
2020
[j9]
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Takeo Hoshi, Takeshi Ogita, Katsuhisa Ozaki, Takeshi Terao:
An a posteriori verification method for generalized real-symmetric eigenvalue problems in large-scale electronic state calculations. J. Comput. Appl. Math. 376: 112830 (2020)
[j8]
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Takeshi Terao, Katsuhisa Ozaki, Takeshi Ogita:
LU-Cholesky QR algorithms for thin QR decomposition. Parallel Comput. 92: 102571 (2020)
[c3]
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Daichi Mukunoki, Katsuhisa Ozaki, Takeshi Ogita, Toshiyuki Imamura:
DGEMM Using Tensor Cores, and Its Accurate and Reproducible Versions. ISC 2020: 230-248

2010 – 2019

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2019
[c2]
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Daichi Mukunoki, Takeshi Ogita, Katsuhisa Ozaki:
Reproducible BLAS Routines with Tunable Accuracy Using Ozaki Scheme for Many-Core Architectures. PPAM (1) 2019: 516-527
2018
[c1]
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Shuntaro Ichimura, Takahiro Katagiri, Katsuhisa Ozaki, Takeshi Ogita, Toru Nagai:
Threaded Accurate Matrix-Matrix Multiplications with Sparse Matrix-Vector Multiplications. IPDPS Workshops 2018: 1093-1102
2016
[j7]
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Katsuhisa Ozaki, Takeshi Ogita, Shin'ichi Oishi:
Error-free transformation of matrix multiplication with a posteriori validation. Numer. Linear Algebra Appl. 23(5): 931-946 (2016)
2015
[j6]
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Katsuhisa Ozaki, Takeshi Ogita, Shin'ichi Oishi:
Improvement of error-free splitting for accurate matrix multiplication. J. Comput. Appl. Math. 288: 127-140 (2015)
2012
[j5]
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Katsuhisa Ozaki, Takeshi Ogita, Shin'ichi Oishi:
A robust algorithm for geometric predicate by error-free determinant transformation. Inf. Comput. 216: 3-13 (2012)
[j4]
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Katsuhisa Ozaki, Takeshi Ogita, Siegfried M. Rump, Shin'ichi Oishi:
Fast algorithms for floating-point interval matrix multiplication. J. Comput. Appl. Math. 236(7): 1795-1814 (2012)
[j3]
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Katsuhisa Ozaki, Takeshi Ogita, Shin'ichi Oishi, Siegfried M. Rump:
Error-free transformations of matrix multiplication by using fast routines of matrix multiplication and its applications. Numer. Algorithms 59(1): 95-118 (2012)
2011
[j2]
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Katsuhisa Ozaki, Takeshi Ogita, Shin'ichi Oishi:
An algorithm for automatically selecting a suitable verification method for linear systems. Numer. Algorithms 56(3): 363-382 (2011)
[j1]
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Katsuhisa Ozaki, Takeshi Ogita, Shin'ichi Oishi:
Tight and efficient enclosure of matrix multiplication by using optimized BLAS. Numer. Linear Algebra Appl. 18(2): 237-248 (2011)

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