Write miss policy - cache memories, Computer Engineering

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WRITE MISS POLICY:

  •   Write allocate
  •   fetch on write
  •   fetch entire block, then write word into block
  •   allocate a new block on each writ
  •   allocate block, but don't fetch
  •   no-fetch
  •   requires valid bits per word
  •   Write no-allocate
  •   more complex eviction
  •   don't allocate a block if it is not already in the cache
  •   naturally used by write through since we need update main memory anyway
  •   Write invalidate
  •   write around the cache
  •   instead of update for write-through

 


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