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@ARTICLE{Knobloch:138004,
      author       = {Knobloch, Michael and Foszczynski, Maciej and Homberg,
                      Wilhelm and Pleiter, Dirk and Böttiger, Hans},
      title        = {{M}apping fine-grained power measurements to {HPC}
                      application runtime characteristics on {IBM} {POWER}7},
      journal      = {Computer science - research and development},
      volume       = {29},
      number       = {3-4},
      issn         = {1865-2034},
      address      = {Berlin},
      publisher    = {Springer},
      reportid     = {FZJ-2013-04289},
      pages        = {211-219},
      year         = {2014},
      abstract     = {Optimization of energy consumption is a key issue for
                      future HPC. Evaluation of energy consumption requires a
                      fine-grained power measurement. Additional useful
                      information is obtained when performing these measurements
                      at component level. In this paper we describe a setup which
                      allows to perform fine-grained power measurements up to a 1
                      ms resolution at component level on IBM POWER (IBM and POWER
                      are trademarks of IBM in USA and/or other countries.)
                      machines. We further developed a plug-in for VampirTrace
                      that allows us to correlate these power measurements with
                      application performance characteristics, e.g. obtained by
                      hardware performance counters. This environment enables us
                      to generate both power and performance profiles. Such
                      profiles provide valuable input to develop future strategies
                      for improving workload-driven energy usage per performance.
                      We show in comparison with power profiles of coarser
                      granularity that these fine-grained measurements are
                      necessary to capture the dynamics of power switching.},
      cin          = {JSC},
      ddc          = {004},
      cid          = {I:(DE-Juel1)JSC-20090406},
      pnm          = {41G - Supercomputer Facility (POF2-41G21) / 411 -
                      Computational Science and Mathematical Methods (POF2-411) /
                      ATMLPP - ATML Parallel Performance (ATMLPP)},
      pid          = {G:(DE-HGF)POF2-41G21 / G:(DE-HGF)POF2-411 /
                      G:(DE-Juel-1)ATMLPP},
      typ          = {PUB:(DE-HGF)16},
      doi          = {10.1007/s00450-013-0245-5},
      url          = {https://juser.fz-juelich.de/record/138004},
}