In systems with a write-through L1 cache backed by a writeback L2 cache instead of main memory,

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In systems with a write-through L1 cache backed by a writeback L2 cache instead of main memory, a merging write buffer can be simplified. Explain how this can be done. Are there situations where having a full write buffer (instead of the simple version you’ve just proposed) could be helpful?

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Computer Architecture A Quantitative Approach

ISBN: 978-8178672663

5th edition

Authors: John L. Hennessy, David A. Patterson

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