A scalable and near-optimal representation of access schemes for memory management

  • Authors:
  • Angeliki Kritikakou;Francky Catthoor;Vasilios Kelefouras;Costas Goutis

  • Affiliations:
  • ONERA and University of Patras, Belin, Toulouse;IMEC and KU Leuven, Belgium;University of Patras, Patras, Greece;University of Patras, Patras, Greece

  • Venue:
  • ACM Transactions on Architecture and Code Optimization (TACO)
  • Year:
  • 2014

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Abstract

Memory management searches for the resources required to store the concurrently alive elements. The solution quality is affected by the representation of the element accesses: a sub-optimal representation leads to overestimation and a non-scalable representation increases the exploration time. We propose a methodology to near-optimal and scalable represent regular and irregular accesses. The representation consists of a set of pattern entries to compactly describe the behavior of the memory accesses and of pattern operations to consistently combine the pattern entries. The result is a final sequence of pattern entries which represents the global access scheme without unnecessary overestimation.