Data cache sizing for embedded processor applications

  • Authors:
  • P. R. Panda;N. D. Dutt;A. Nicolau

  • Affiliations:
  • Department of Information and Computer Science, University of California, Irvine, CA;Department of Information and Computer Science, University of California, Irvine, CA;Department of Information and Computer Science, University of California, Irvine, CA

  • Venue:
  • Proceedings of the conference on Design, automation and test in Europe
  • Year:
  • 1998

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Abstract

We present a technique for determining the best data cache size required for a given memory-intensive application. A careful memory and cache line assignment strategy based on the analysis of the array access patterns effects a significant reduction in the required data cache size, with no negative impact on the performance, thereby freeing vital on-chip silicon area for other hardware resources. Experiments on several benchmark kernels performed on LSI Logic's CW4001 embedded processor simulator confirm the soundness of our cache sizing and memory assignment strategy and the accuracy of our analytical predictions.