Katsuhisa Ozaki

Publication Activity (10 Years)

Years Active: 2011-2024
Publications (10 Years): 15

Top Topics

Matrix Multiplication

Top Venues

J. Comput. Appl. Math.

Numer. Algorithms

Publications

Yuki Uchino, Takeshi Terao, Katsuhisa Ozaki
Acceleration of iterative refinement for singular value decomposition. Numer. Algorithms 95 (2) (2024)
Hiroyuki Ootomo, Katsuhisa Ozaki, Rio Yokota
DGEMM on integer matrix multiplication unit. Int. J. High Perform. Comput. Appl. 38 (4) (2024)
Takeshi Terao, Katsuhisa Ozaki
Method for Verifying Solutions of Sparse Linear Systems with General Coefficients. CoRR (2024)
Sora Sawai, Kazuaki Tanaka, Katsuhisa Ozaki, Shin'ichi Oishi
Polygonal Sequence-driven Triangulation Validator: An Incremental Approach to 2D Triangulation Verification. CoRR (2024)
Hiroyuki Ootomo, Katsuhisa Ozaki, Rio Yokota
DGEMM on Integer Matrix Multiplication Unit. CoRR (2023)
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)
Katsuhisa Ozaki, Takeshi Ogita
Generation of test matrices with specified eigenvalues using floating-point arithmetic. Numer. Algorithms 90 (1) (2022)
Daichi Mukunoki, Katsuhisa Ozaki, Takeshi Ogita, Toshiyuki Imamura
Accurate Matrix Multiplication on Binary128 Format Accelerated by Ozaki Scheme. ICPP (2021)
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)
Daichi Mukunoki, Katsuhisa Ozaki, Takeshi Ogita, Toshiyuki Imamura
DGEMM Using Tensor Cores, and Its Accurate and Reproducible Versions. ISC (2020)
Takeshi Terao, Katsuhisa Ozaki, Takeshi Ogita
LU-Cholesky QR algorithms for thin QR decomposition. Parallel Comput. 92 (2020)
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 (2020)
Daichi Mukunoki, Takeshi Ogita, Katsuhisa Ozaki
Reproducible BLAS Routines with Tunable Accuracy Using Ozaki Scheme for Many-Core Architectures. PPAM (1) (2019)
Shuntaro Ichimura, Takahiro Katagiri, Katsuhisa Ozaki, Takeshi Ogita, Toru Nagai
Threaded Accurate Matrix-Matrix Multiplications with Sparse Matrix-Vector Multiplications. IPDPS Workshops (2018)
Katsuhisa Ozaki, Takeshi Ogita, Shin'ichi Oishi
Error-free transformation of matrix multiplication with a posteriori validation. Numer. Linear Algebra Appl. 23 (5) (2016)
Katsuhisa Ozaki, Takeshi Ogita, Shin'ichi Oishi
Improvement of error-free splitting for accurate matrix multiplication. J. Comput. Appl. Math. 288 (2015)
Katsuhisa Ozaki, Takeshi Ogita, Shin'ichi Oishi
A robust algorithm for geometric predicate by error-free determinant transformation. Inf. Comput. 216 (2012)
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) (2012)
Katsuhisa Ozaki, Takeshi Ogita, Siegfried M. Rump, Shin'ichi Oishi
Fast algorithms for floating-point interval matrix multiplication. J. Comput. Appl. Math. 236 (7) (2012)
Katsuhisa Ozaki, Takeshi Ogita, Shin'ichi Oishi
An algorithm for automatically selecting a suitable verification method for linear systems. Numer. Algorithms 56 (3) (2011)
Katsuhisa Ozaki, Takeshi Ogita, Shin'ichi Oishi
Tight and efficient enclosure of matrix multiplication by using optimized BLAS. Numer. Linear Algebra Appl. 18 (2) (2011)