Object-based DSM

• Abstract space of shared objects

• Replication of objects

  • Good for performance
  • Updating an object
    • Invalidate the other copies
      • Create new copies on demand
    • Update the other copies

• Advantages

  • Modular
  • Flexible
  • Synchronization and access can be integrated
  • Little false sharing

• Disadvantage

  • No “dusty deck”
  • Overhead

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