Verifying Tomasulo's Algoithm by Refinement

  • Authors:
  • Tamarah Arons;Amir Pnueli

  • Affiliations:
  • -;-

  • Venue:
  • VLSID '99 Proceedings of the 12th International Conference on VLSI Design - 'VLSI for the Information Appliance'
  • Year:
  • 1999

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Abstract

In this paper Tomasulo's algorithm for out-of-order execution is shown to be a refinement of the sequential instruction execution algorithm. Correctness of Tomasulo's algorithm is established by proving that the register files of Tomasulo's algorithm and the sequential algorithm agree once all instructions have been completed.