Shared Cache for Multiple-Stream Computer Systems

  • Authors:
  • P. C. C. Yeh;J. H. Patel;E. S. Davidson

  • Affiliations:
  • IBM Corporation;-;-

  • Venue:
  • IEEE Transactions on Computers
  • Year:
  • 1983

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Abstract

Cache memory organization for parallel-pipelined multiprocessor systems is evaluated. Private caches have a cache coherence problem. A shared cache avoids this problem and can attain a higher hit ratio due to sharing of single copies of common blocks and dynamic allocation of cache space among the processes. However, a shared cache suffers performance degradation due to access conflicts.