Date: | Sat, 15 Dec 2007 09:06:10 -0600 |
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From: | "Mike Marty" <mike.marty@xxxxxxxxx> |
Subject: | Re: [Gems-users] block events in MOESI SMP directory protocol |
The protocol uses blocking directories to manage races. When a request reaches a directory, it generates a forward/invalidates and enters a blocking transient state. When the requestor completes, it sends an unblock message to the directory. If a subsequent request reaches the directory when blocked, it buffers until unblocked.
The max number of sharers for a cache line is the number of processors in the system. --Mike On Dec 15, 2007 6:32 AM, <nikiforg@xxxxxxxxxx
> wrote: Hi all, |
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