Processor-Memory Co-Exploration driven by a Memory-Aware Architecture Description Language

  • Authors:
  • Prabhat Mishra;Peter Grun;Nikil Dutt;Alex Nicolau

  • Affiliations:
  • -;-;-;-

  • Venue:
  • VLSID '01 Proceedings of the The 14th International Conference on VLSI Design (VLSID '01)
  • Year:
  • 2001

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Abstract

Memory represents a major bottleneck in modern embedded systems. Traditionally, memory organizations for programmable systems assumed a fixed cache hierarchy. With the widening processor-memory gap, more aggressive memory technologies and organizations have appeared, allowing customization of a heterogeneous memory architecture tuned for the application. However, such a processor-memory co-exploration approach critically needs the ability to explicitly capture heterogeneous memory architectures. We present in this paper a language-based approach to explicitly capture the memory subsystem configuration, and perform exploration of the memory architecture to trade-off cost versus performance. We present a set of experiments using our Memory-Aware Architectural Description Language to drive the exploration of the memory subsystem for the TIC6211 processor architecture, demonstrating a range of cost and performance attributes.