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| S3MP - |
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| Writes |
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| If
the line is exclusive (i.e. dirty bit is set) no message is
required |
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| Else
send a write-request to the home |
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| Home
sends an invalidation message down the chain |
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 |
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| Each
copy is invalidated (other than that of the requester) |
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| Final
node in chain acknowledges the requester and the home |
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| Chain
is locked for the duration of the invalidation |
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| Advanced Computer Architecture Chapter 7.62 |