Performance of the 3D Combustion Simulation Code RECOM®-AIOLOS on IBM® POWER8® Architecture

  • Alexander BerrethEmail author
  • Benedetto Risio
  • Markus Bühler
  • Benedikt Anlauf
  • Pascal Vezolle
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 9945)


The IBM POWER8 CPU is a high-performance multi-core hardware which targets the usage with computational intense numerical codes. Combustion modeling is among the most computational demanding mathematical problems. Therefore, in this paper we present a performance analysis of the 3D-combustion modeling software RECOM-AIOLOS on a POWER8 node. The analysis reveals the strengths of the POWER8 hardware being a NUMA system, but also the importance of a proper memory allocation when using OpenMP or a hybrid (OpenMP + MPI) parallelization approach on such a system.


Memory Bandwidth Memory Page POWER8 Node NUMA Node OpenMP Thread 
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Copyright information

© Springer International Publishing AG 2016

Authors and Affiliations

  • Alexander Berreth
    • 1
    Email author
  • Benedetto Risio
    • 1
  • Markus Bühler
    • 2
  • Benedikt Anlauf
    • 2
  • Pascal Vezolle
    • 3
  1. 1.RECOM® Services GmbHStuttgartGermany
  2. 2.IBM Deutschland Research and Development GmbHBöblingenGermany
  3. 3.IBM Systems FranceMontpellierFrance

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