[Gems-users] coherence misses


Date: Mon, 23 Aug 2010 14:25:03 -0400
From: Edward Lee <edwl202@xxxxxxxxx>
Subject: [Gems-users] coherence misses
Hi,

I am using the MOESI_SMP_directory protocol. In order to calculate the
coherence misses I am looking at the ruby stats, namely the state
transitions as suggested earlier. I am summing up all the FWD_GETX and
FWD_GETS that cause state transitions, but I am not sure whether I
should include transient states in this calculation. Are they
referring to coherence misses?

Such transient state transitions are:

OM --> Fwd_GETX --> IM
OI -->  Fwd_GETX --> II
MI --> Fwd_GETX --> II

Regards,

Ed
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