Why does ivy use an invalidation scheme for consistency

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Reference no: EM131903844

Problem

1. Why does IVY use an invalidation scheme for consistency instead of an update scheme?

2. Some machines have a single instruction that, in one atomic action, exchanges a register with a word in memory. Using this instruction, it is possible to implement semaphores for protecting critical regions. Will pro-grams using this instruction work on a page-based DSM system? If so, under what circumstances will they work efficiently?

Reference no: EM131903844

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