Understanding the Performance of Two Production Supercomputers

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Year:
2013
Type of Publication:
Article
Authors:
  • Pakin, Scott
  • Lang, Michael
BibTex:
Note:
The 14th IEEE International Workshop on Parallel and Distributed Scientific and Engineering Computing PDSEC-13, May 24, 2013, Boston, Massachusetts USA in conjunction with The 27th IEEE International Parallel & Distributed Processing Symposium (IPDPS-13)
Abstract:
Luna and Typhoon are two Top500 supercomputers running production scientific workloads at LANL. Interestingly, users have reported substantially betterthan-expected performance gains from Luna, the newer of the two. In this paper we present our methodology for investigating the source of this improvement and determining what architectural changes for future supercomputers would most benefit LANL applications.
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