HI all,
Whether the MOESI states in L2 (assuming last level & shared by
all the cores) follow cache centric or memory centric approach in the
classic snoop based coherence protocol?
Cache centric - if one of the blocks is in M state in any of the L1s and
that block is there in L2 then it ll be also in M state, similarly S and O
memory centric - if the blocks are in I state in L1, then the L2 ll have
that block (if present in L2) in O state (because L2 ll behave like an owner
for entire hierarchy)
--
*thanks®ards
*
*BISWABANDAN*
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