FBLT: a real-time contention manager with improved schedulability

  • Authors:
  • Mohammed Elshambakey;Binoy Ravindran

  • Affiliations:
  • Virginia Tech, Blacksburg, VA;Virginia Tech, Blacksburg, VA

  • Venue:
  • Proceedings of the Conference on Design, Automation and Test in Europe
  • Year:
  • 2013

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Abstract

We consider software transactional memory (STM) concurrency control for embedded multicore real-time software, and present a novel contention manager for resolving transactional conflicts, called FBLT. We upper bound transactional retries and task response times under FBLT, and identify when FBLT has better real-time schedulability than the previous best contention manager, PNF. Our implementation in the Rochester STM framework reveals that FBLT yields shorter or comparable retry costs than competitor methods.