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| Content Provider | ACM Digital Library |
|---|---|
| Author | Coghlan, Susan Feng, Wu-chun Scogland, Thomas R.W. Parent, Florent Bates, Natalie Strohmaier, Erich Steffen, Craig P. Wilde, Torsten |
| Abstract | Improvement in the energy efficiency of supercomputers can be accelerated by improving the quality and comparability of efficiency measurements. The ability to generate accurate measurements at extreme scale are just now emerging. The realization of system-level measurement capabilities can be accelerated with a commonly adopted and high quality measurement methodology for use while running a workload, typically a benchmark. This paper describes a methodology that has been developed collaboratively through the Energy Efficient HPC Working Group to support architectural analysis and comparative measurements for rankings, such as the Top500 and Green500. To support measurements with varying amounts of effort and equipment required we present three distinct levels of measurement, which provide increasing levels of accuracy. Level 1 is similar to the Green500 run rules today, a single average power measurement extrapolated from a subset of a machine. Level 2 is more comprehensive, but still widely achievable. Level 3 is the most rigorous of the three methodologies but is only possible at a few sites. However, the Level 3 methodology generates a high quality result that exposes details that the other methodologies may miss. In addition, we present case studies from the Leibniz Supercomputing Centre (LRZ), Argonne National Laboratory (ANL) and Calcul Québec Université Laval that explore the benefits and difficulties of gathering high quality, system-level measurements on large-scale machines. |
| Starting Page | 149 |
| Ending Page | 159 |
| Page Count | 11 |
| File Format | |
| ISBN | 9781450327336 |
| DOI | 10.1145/2568088.2576795 |
| Language | English |
| Publisher | Association for Computing Machinery (ACM) |
| Publisher Date | 2014-03-22 |
| Publisher Place | New York |
| Access Restriction | Subscribed |
| Subject Keyword | High-performance computing Top500 Green500 Datacenter Power-measurement methodology |
| Content Type | Text |
| Resource Type | Article |
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