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Otsuka, Takaharu; Abe, Takashi*; Yoshida, Toru*; Tsunoda, Yusuke*; Shimizu, Noritaka*; Itagaki, Naoyuki*; Utsuno, Yutaka; Vary, J. P.*; Maris, P.*; Ueno, Hideki*
Nature Communications (Internet), 13, p.2234_1 - 2234_10, 2022/04
Times Cited Count:9 Percentile:95.34(Multidisciplinary Sciences)no abstracts in English
Abe, Takashi*; Maris, P.*; Otsuka, Takaharu*; Shimizu, Noritaka*; Utsuno, Yutaka; Vary, J. P.*
Physical Review C, 104(5), p.054315_1 - 054315_22, 2021/11
Times Cited Count:7 Percentile:77.2(Physics, Nuclear)no abstracts in English
Shimizu, Noritaka*; Abe, Takashi*; Homma, Michio*; Otsuka, Takaharu*; Togashi, Tomoaki*; Tsunoda, Yusuke*; Utsuno, Yutaka; Yoshida, Toru*
Physica Scripta, 92(6), p.063001_1 - 063001_19, 2017/06
Times Cited Count:24 Percentile:81.66(Physics, Multidisciplinary)no abstracts in English
Iwata, Yoritaka*; Shimizu, Noritaka*; Otsuka, Takaharu*; Utsuno, Yutaka; Menndez, J.*; Homma, Michio*; Abe, Takashi*
Physical Review Letters, 116(11), p.112502_1 - 112502_6, 2016/03
Times Cited Count:74 Percentile:94.56(Physics, Multidisciplinary)no abstracts in English
Utsuno, Yutaka; Otsuka, Takaharu*; Shimizu, Noritaka*; Tsunoda, Yusuke*; Homma, Michio*; Abe, Takashi*; Mizusaki, Takahiro*; Togashi, Tomoaki*; Brown, B. A.*
Proceedings of International Conference on Nuclear Theory in the Supercomputing Era 2014 (NTSE 2014), p.29 - 34, 2016/00
no abstracts in English
Togashi, Tomoaki*; Shimizu, Noritaka*; Utsuno, Yutaka; Abe, Takashi*; Otsuka, Takaharu*
Procedia Computer Science, 29, p.1711 - 1721, 2014/06
Times Cited Count:1 Percentile:30.15Computing Hamiltonian matrix elements between non-orthogonal Slater determinants is often needed for nuclear-structure calculations, and it is the most time-consuming part in many cases. In this paper, we demonstrate that utilizing GPGPU is an efficient way to perform this calculation. In our earlier study, we showed that the calculation of the Hamiltonian matrix elements between non-orthogonal Slater determinants is transformed into the multiplication of matrices. This method is useful for the GPGPU calculation because of less memory access compared to the usual method. We implement the GPGPU computation in the Monte Carlo shell-model code and measure the elapsed time. The resulting performance is over 0.6 TFLOPS for the GPU that has 1.13 TFLOPS peak performance. This method is particularly effective for large-scale calculations because higher efficiency is obtained for the calculation of larger model spaces.
Utsuno, Yutaka; Otsuka, Takaharu*; Shimizu, Noritaka*; Homma, Michio*; Mizusaki, Takahiro*; Tsunoda, Yusuke*; Abe, Takashi*
EPJ Web of Conferences, 66, p.02106_1 - 02106_8, 2014/03
Times Cited Count:14 Percentile:96.87no abstracts in English
Utsuno, Yutaka; Shimizu, Noritaka*; Otsuka, Takaharu*; Abe, Takashi*
Computer Physics Communications, 184(1), p.102 - 108, 2013/01
Times Cited Count:13 Percentile:62.22(Computer Science, Interdisciplinary Applications)no abstracts in English
Abe, Takashi*; Maris, P.*; Otsuka, Takaharu*; Shimizu, Noritaka*; Utsuno, Yutaka; Vary, J. P.*
Physical Review C, 86(5), p.054301_1 - 054301_18, 2012/11
Times Cited Count:66 Percentile:94.75(Physics, Nuclear)no abstracts in English
Shimizu, Noritaka*; Abe, Takashi*; Tsunoda, Yusuke*; Utsuno, Yutaka; Yoshida, Toru*; Mizusaki, Takahiro*; Homma, Michio*; Otsuka, Takaharu*
Progress of Theoretical and Experimental Physics (Internet), 2012(1), p.01A205_1 - 01A205_27, 2012/00
Times Cited Count:116 Percentile:96.25(Physics, Multidisciplinary)no abstracts in English
Shimizu, Noritaka*; Utsuno, Yutaka; Mizusaki, Takahiro*; Otsuka, Takaharu*; Abe, Takashi*; Homma, Michio*
Physical Review C, 82(6), p.061305_1 - 061305_4, 2010/12
Times Cited Count:44 Percentile:90.34(Physics, Nuclear)no abstracts in English
Utsuno, Yutaka; Shimizu, Noritaka*; Abe, Takashi*; Otsuka, Takaharu*
no journal, ,
no abstracts in English