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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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Hideyuki Taguchi, Kenya Harada, Hiroaki Kobayashi, Motoyuki Hongoh, Daisaku Masaki and Shunsuke Nishida
This study investigated a pre-cooled turbojet engine for a Mach 5 class hypersonic transport aircraft. The engine was demonstrated under takeoff and Mach 2 flight conditions, and a Mach 5 propulsion wind tunnel test is planned. The engine is composed of ...
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Masayuki Sato,Takuya Toyoshima,Hikaru Takayashiki,Ryusuke Egawa,Hiroaki Kobayashi
Pág. 4 - 19
A modern memory system is equipped with many memory channels to obtain a high memory bandwidth. To take the advantage of this organization, applications? data are distributed among the channels and transferred in an interleaved fashion. Although memory-i...
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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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Alexander S. Antonov,Alexey V. Frolov,Hiroaki Kobayashi,Igor N. Konshin,Alexey M. Teplov,Vadim V. Voevodin,Vladimir V. Voevodin
Pág. 61 - 70
The comprehensive analysis of algorithmic properties of well-known. Cholesky decomposition was performed on the basis of multifold AlgoWiki technologies. There was performed a detailed analysis of information graph, data structure, memory access profile,...
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Hiroaki NAKANO, Satoshi OUE, Shoichi TANIGUCHI, Shigeo KOBAYASHI and Hisaaki FUKUSHIMA
Pág. 634
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Hiroaki NAKANO, Satoshi OUE, Daisuke KOZAKI, Shigeo KOBAYASHI and Hisaaki FUKUSHIMA
Pág. 506
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Hiroaki NAKANO, Satoshi OUE, Shoji HISANO, Shigeo KOBAYASHI and Hisaaki FUKUSHIMA
Pág. 1029
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