A memory system is coherent if
all processors observe the same history of values for a
given memory location. DVMC further requires that the
system observes the Single-Writer/Multiple-Reader
(SWMR) property. This requirement is stronger than
coherence, but virtually all coherence protocols use
SWMR to ensure coherence. Relaxed consistency models do not strictly require coherence, but all sharedmemory systems of which we are aware (including
those made by Intel, Sun, IBM, AMD, and HP) are
based on a coherent memory system independent of the
consistency models that they implement. We do not consider systems without coherent memory in this paper.
A memory system is coherent if
all processors observe the same history of values for a
given memory location. DVMC further requires that the
system observes the Single-Writer/Multiple-Reader
(SWMR) property. This requirement is stronger than
coherence, but virtually all coherence protocols use
SWMR to ensure coherence. Relaxed consistency models do not strictly require coherence, but all sharedmemory systems of which we are aware (including
those made by Intel, Sun, IBM, AMD, and HP) are
based on a coherent memory system independent of the
consistency models that they implement. We do not consider systems without coherent memory in this paper.
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