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Masahito Kumagai, Kazuhiko Komatsu, Masayuki Sato and Hiroaki Kobayashi
Combinatorial clustering based on the Ising model is drawing attention as a high-quality clustering method. However, conventional Ising-based clustering methods using the Euclidean distance cannot handle irregular data. To overcome this problem, this pap...
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Hikaru Takayashiki,Masayuki Sato,Kazuhiko Komatsu,Hiroaki Kobayashi
Pág. 86 - 101
As the number of cores and the memory bandwidth have increased in a balanced fashion, modern vector processors achieve high sustained performances, especially in memory-intensive applications in the fields of science and engineering. However, it is diffi...
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Kenta Yamaguchi,Takashi Soga,Yoichi Shimomura,Thorsten Reimann,Kazuhiko Komatsu,Ryusuke Egawa,Akihiro Musa,Hiroyuki Takizawa,Hiroaki Kobayashi
Pág. 36 - 47
Modern supercomputers consist of multi-core processors, and these processors have recently employed vector instructions, or so-called SIMD instructions, to improve performances. Numerical simulations need to be vectorized in order to achieve higher perfo...
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Ilya V. Afanasyev,Alexander S. Antonov,Dmitry A. Nikitenko,Vadim V. Voevodin,Vladimir V. Voevodin,Kazuhiko Komatsu,Osamu Watanabe,Akihiro Musa,Hiroaki Kobayashi
Pág. 65 - 69
The main goal of this work is to demonstrate that the development of data-intensive appli- cations for vector systems is not only important and interesting, but is also very possible. In this paper we describe possible implementations of two fundamental ...
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