Two Adaptive Hybrid Cache Coherency Protocols

  • Authors:
  • Craig Anderson;Anna R. Karlin

  • Affiliations:
  • -;-

  • Venue:
  • HPCA '96 Proceedings of the 2nd IEEE Symposium on High-Performance Computer Architecture
  • Year:
  • 1996

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Abstract

We present and evaluate adaptive, hybrid cache coherence protocols for bus-based, shared-memory multiprocessors. Such protocols are motivated by the observation that sharing patterns vary substantially between different programs and even cache blocks within the same program. Performance measurements across a range of parallel applications indicate that the adaptive protocols we present perform well compared to both Write-Invalidate and Write-Update protocols.