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Multi-axis decomposition of density functional program for strong scaling up to 82,944 nodes on the K computer: Compactly folded 3D-FFT communicators in the 6D torus network
(京計算機の82,944ノードで強スケーリング則を実現するための密度汎関数計算の多軸分割法)

Takahiro Yamasaki, Akiyoshi Kuroda, Toshihiro Kato, Jun Nara, Junichiro Koga, Tsuyoshi Uda, Kazuo Minami, Takahisa Ohno.
Computer Physics Communications 244 264-276. 2019.
https://doi.org/10.1016/j.cpc.2019.04.008

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