An architectural perspective on a memory access controller

  • Authors:
  • M. Freeman

  • Affiliations:
  • Center for Integrated Systems, Stanford University, Stanford, CA

  • Venue:
  • ISCA '87 Proceedings of the 14th annual international symposium on Computer architecture
  • Year:
  • 1987

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Abstract

In this paper a CMOS memory access controller chip is described that provides the basis for achieving high-performance 68020-based (68030-based) systems. This controller matches the speed of the memory system to that of the microprocessor by providing a virtual cache mechanism where address translations are only required when there is a cache miss.This mechanism also facilitates the construction of shared-memory multiprocessor system where the controller manages a memory hierarchy consisting of cache memory, local memory, and shared global memory.