JAXA Repository / AIREX 未来へ続く、宙(そら)への英知
titleHigh Sustained Performance and Scalability on a Multicore-Based Massively Parallel Cluster of JAXA Supercomputer System
Author(jpn)松尾, 裕一; 藤田, 直行; 高木, 亮治
Author(eng)Matsuo, Yuichi; Fujita, Naoyuki; Takaki, Ryoji
Author Affiliation(jpn)宇宙航空研究開発機構セキュリティ・情報化推進部スーパーコンピュータ活用室(JAXA); 宇宙航空研究開発機構セキュリティ・情報化推進部スーパーコンピュータ活用室(JAXA); 宇宙航空研究開発機構セキュリティ・情報化推進部スーパーコンピュータ活用室(JAXA)
Author Affiliation(eng)Supercomputer Office, Security and Information Systems Department, Japan Aerospace Exploration Agency (JAXA); Supercomputer Office, Security and Information Systems Department, Japan Aerospace Exploration Agency (JAXA); Supercomputer Office, Security and Information Systems Department, Japan Aerospace Exploration Agency (JAXA)
Issue Date2015-03-19
PublisherJapan Aerospace Exploration Agency (JAXA)
宇宙航空研究開発機構(JAXA)
Publication titleJAXA Research and Development Memorandum
宇宙航空研究開発機構研究開発資料
VolumeJAXA-RM-14-011E
Start page1
End page12
Publication date2015-03-19
Languageeng
AbstractMulticore processing has become a major trend in high-performance computing. However, there are two major issues with multicore technologies: 1) how to make full use of modern multicore CPU capability with reduced user workload, and 2) how to achieve better scalability up to a high degree of parallelism for memory-intensive applications such as computational fluid dynamics. First, the multicore-based massively parallel cluster of the Japan Aerospace Exploration Agency (JAXA) supercomputer system, which uses the Fujitsu FX1 as the core computer, is described. Notable features such as a high-speed barrier network, enhanced memory bandwidth, and an integrated mechanism to hide latency, i.e., the integrated multicore parallel architecture, which comprises a hardware barrier, L2 cache shared among cores, and an associated automated parallelization complier, are described. Second, the process to achieve significantly high sustained performance (>90%, high-performance Linpack benchmark) on the multicore CPU cluster system is explained. Finally, performance measurement results for JAXA applications are provided.
DescriptionPhysical characteristics: Original contains color illustrations
形態: カラー図版あり
KeywordsSustained performance; Scalability; Multicore; Massively parallel cluster system; JAXA supercomputer system
Document TypeTechnical Report
JAXA Category研究開発資料
NASA Subject CategoryComputer Operations and Hardware
ISSN1349-1121
NCIDAA11983593
SHI-NOAA1530011000
Report NoJAXA-RM-14-011E
URIhttps://repository.exst.jaxa.jp/dspace/handle/a-is/228707


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