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Modeling the Office of Science Ten Year Facilities Plan: The PERI Architecture Team

Conference ·
OSTI ID:979255
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  1. Lawrence Livermore National Laboratory (LLNL)
  2. ORNL
  3. Lawrence Berkeley National Laboratory (LBNL)
  4. University of California, San Diego
  5. University of Chicago
  6. Argonne National Laboratory (ANL)
  7. Portland State University
  8. Rice University
  9. University of Tennessee, Knoxville (UTK)
  10. San Diego Supercomputer Center
  11. University of Oregon
+ Show Author Affiliations
The Performance Engineering Institute (PERI) originally proposed a tiger team activity as a mechanism to target significant effort optimizing key Office of Science applications, a model that was successfully realized with the assistance of two JOULE metric teams. However, the Office of Science requested a new focus beginning in 2008: assistance in forming its ten year facilities plan. To meet this request, PERI formed the Architecture Tiger Team, which is modeling the performance of key science applications on future architectures, with S3D, FLASH and GTC chosen as the first application targets. In this activity, we have measured the performance of these applications on current systems in order to understand their baseline performance and to ensure that our modeling activity focuses on the right versions and inputs ofthe applications. We have applied a variety of modeling techniques to anticipate the performance of these applications on a range of anticipated systems. While our initial findings predict that Office of Science applications will continue to perform well on future machines from major hardware vendors, we have also encountered several areas in which we must extend our modeling techniques in order to fulfilll our mission accurately and completely. In addition, we anticipate that models of a wider range of applications will reveal critical differences between expected future systems, thus providing guidance for future Office of Science procurement decisions, and will enable DOE applications to exploit machines in future facilities fully.
Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC05-00OR22725
OSTI ID:
979255
Country of Publication:
United States
Language:
English

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Related Subjects

97 MATHEMATICS AND COMPUTING
99 GENERAL AND MISCELLANEOUS
COMPUTER ARCHITECTURE
COMPUTER CODES
COMPUTERIZED SIMULATION
OPTIMIZATION
PERFORMANCE