publication . Article . 2011

Determine energy-saving potential in wait-states of large-scale parallel programs

Knobloch, Michael; Mohr, Bernd; Minartz, Timo;
Open Access
  • Published: 31 Aug 2011 Journal: Computer Science - Research and Development, volume 27, pages 255-263 (issn: 1865-2034, eissn: 1865-2042, Copyright policy)
  • Publisher: Springer Science and Business Media LLC
Energy consumption is one of the major topics in high performance computing (HPC) in the last years. However, little effort is put into energy analysis by developers of HPC applications. We present our approach of combined performance and energy analysis using the performance analysis tool-set Scalasca. Scalascas parallel wait-state analysis is extended by a calculation of the energy-saving potential if a lower power-state can be used.
free text keywords: General Computer Science, Supercomputer, Distributed computing, Efficient energy use, Real-time computing, Power consumption, Theory of computation, Energy analysis, Energy consumption, Computer science, Computer Science(all)
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