学際大規模情報基盤共同利用・共同研究拠点

採択課題 【詳細】

jh250041 Study on the real effect of non-blocking collective communications
課題代表者 南里豪志(九州大学情報基盤研究開発センター)
Takeshi Nanri (Research Institute for Information Technology, Kyushu University)
概要 In this project, we investigate the usage and the real effect of NBCs in JHPCN resources. In addition to examining existing benchmark programs, we are applying NBCs on several scientific and technical computing algorithms and verifying whether communication hiding improves their performance. The significance of this research is to provide programmers with correct knowledge about the usage and performance characteristics of NBCs and the effect of communication hiding in real applications. This will enable programmers to make correct decisions to actively use NBCs when the effect of communication hiding is expected.
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