Simulating Application Resilience at Exascale

  • Rolf Riesen
  • Kurt B. Ferreira
  • Maria Ruiz Varela
  • Michela Taufer
  • Arun Rodrigues
Part of the Lecture Notes in Computer Science book series (LNCS, volume 7156)

Abstract

The reliability mechanisms for future exascale systems will be a key aspect of their scalability and performance. With the expected jump in hardware component counts, faults will become increasingly common compared to today’s systems. Under these circumstances, the costs of current and emergent resilience methods need to be reevaluated. This includes the cost of recovery, which is often ignored in current work, and the impact of hardware features such as heterogeneous computing elements and non-volatile memory devices. We describe a simulation and modeling framework that enables the measurement of various resilience algorithms with varying application characteristics. For this framework we outline the simulator’s requirements, its application communication pattern generators, and a few of the key hardware component models.

Keywords

State Machine Output Port Communication Pattern Sandia National Laboratory Collective Operation 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  • Rolf Riesen
    • 1
  • Kurt B. Ferreira
    • 2
  • Maria Ruiz Varela
    • 3
  • Michela Taufer
    • 3
  • Arun Rodrigues
    • 2
  1. 1.IBM ResearchIreland
  2. 2.Sandia National LaboratoriesAlbuquerqueUSA
  3. 3.University of DelawareUSA

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