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Write through: The information is written to both the block in the cache and to the block in the lower level of the memory hierarchy.

Advantages:

  1. Misses are simpler and cheaper because they never require a block to be written back to the lower level.
  2. Write through is easier to implement than write back, although to be practical in a high speed system, a write through cache will need to use a write buffer.

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WriteThrough (last edited 2004-03-18 19:23:22 by yakko)