Instruction scheduling for reliability-aware compilation

  • Authors:
  • Semeen Rehman;Muhammad Shafique;Jörg Henkel

  • Affiliations:
  • Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany;Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany;Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany

  • Venue:
  • Proceedings of the 49th Annual Design Automation Conference
  • Year:
  • 2012

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Abstract

An instruction scheduling technique is presented that targets at improving the reliability of a software program given a user-provided tolerable performance overhead. A look-ahead-based heuristic schedules instructions by evaluating the reliability of dependent instructions while reducing the impact of spatial and temporal vulnerabilities of various processor components. Our reliability-driven instruction scheduler (implemented into the GCC compiler) provides on average a 22% reduction of program failures compared to state-of-the-art.