Date: | Thu, 8 Sep 2011 23:00:14 -0400 |
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From: | sheng ma <mashnudt@xxxxxxxxx> |
Subject: | Re: [Gems-users] About the ordered virtual network used in the some cache coherence protocols |
Continue the last question. Is the ordered VN means that all messages sent between one source node and one destination node (a network flow) must arrive the destination in the order as the messages are sent out from the source node?
Thank you very much! Bests, Sheng
On Thu, Sep 8, 2011 at 10:57 PM, sheng ma <mashnudt@xxxxxxxxx> wrote: Hi All, I am Sheng. I don't have much knowledge about the cache coherence protocols. And I noticed that for some cache coherence protocols, such as the MSI_MOSI_CMP_directory one, it needs 5 VNs, and only VN2 is ordered (in the slicc file for this protocol, ordered="true" for VN2). And for other protocols, such as MOESI_CMP_directory and MESI_CMP_directory, all 4 VNs utilized by them are unordered. |
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