Software Write Detection for a Distributed Shared Memory

  title={Software Write Detection for a Distributed Shared Memory},
  author={Matthew J. Zekauskas and Wayne Sawdon and Brian N. Bershad},
Most software-based distributed shared memory (DSM) systems rely on the operating system's virtual memory interface to detect writes to shared data. Strategies based on virtual memory page protection create two problems for a DSM system. First, writes can have high overhead since they are detected with a page fault. As a result, a page must be written many times to amortize the cost of that fault. Second, the size of a virtual memory page is too big to serve as a unit of coherency, inducing… CONTINUE READING
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