Cache coherence directory eviction mechanisms in...

Details Cache coherence directory eviction mechanisms in... Cache coherence directory eviction mechanisms in...

2005-08-23

2005-08-23

Kim, Hong (Department: 2186)

Electrical computers and digital processing systems: memory

Storage accessing and control

Hierarchical memories

C711S133000, C711S135000, C711S159000, C709S206000, C709S218000

Reexamination Certificate

active

06934814

ABSTRACT:
Cache coherence directory eviction mechanisms are described for use in computer systems having a plurality of multiprocessor clusters. Interaction among the clusters is facilitated by a cache coherence controller in each cluster. A cache coherence directory is associated with each cache coherence controller identifying memory lines associated with the local cluster which are cached in remote clusters. An eviction manager is operable to designate one of the entries in the cache coherence directory to be evicted and maintain the designated entry in the cache coherence directory at least until a serialization point allows an eviction transaction corresponding to the designated entry to proceed.

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