[Gems-users] Migratory Shared Data

["Nitin Bhardwaj" <bhardwaj@xxxxxxxxxxxxxxxx>]

I have a question regarding MOESI_CMP_directory: 

Does MOESI_CMP_directory protocol supports the Migratory Shared Data
implementation from Alan L Cox and Robert J Fowler's Paper "Adaptive
Cache Coherency for Detecting Migratory Shared Data", which adaptively
chooses between replication on a read-miss using S2 (shared-2) state,
or migration on a read-miss using Migratory-Clean(MC) and
Migratory-Dirty (MD) states. 

a.) If not, then is their any other released protocol which supports the above implementation? 
b.) If it is supported then is it at the L1 level or at the L2 level? 
b.)
What is the corresponding equivalent states to the Shared-2 state and
the Migratory {Clean and Dirty} states meaning does the implementation
follow the same semantics for cache state and transitions? 


-Thank You
Nitin Bhardwaj