Victim invalidation

Details Victim invalidation Victim invalidation

2005-11-01

2005-11-01

Nguyen, T (Department: 2187)

Electrical computers and digital processing systems: memory

Storage accessing and control

Hierarchical memories

C711S133000, C711S134000, C711S135000, C711S145000

Reexamination Certificate

active

06961827

ABSTRACT:
The present invention provides a method and apparatus for invalidating a victimized entry. The apparatus comprises a directory cache adapted to store one or more cache entries, and a control unit. The control unit is adapted to determine whether it is desirable to remove a shared cache entry from the directory cache, and invalidate the shared cache entry in response to determining that it is desirable to remove the shared cache entry from the directory cache.

REFERENCES:
patent: 6122714 (2000-09-01), VanDoren et al.
patent: 6243742 (2001-06-01), Hagersten et al.
patent: 6249520 (2001-06-01), Steely et al.
patent: 6721853 (2004-04-01), Guthrie et al.
patent: 6725337 (2004-04-01), Tan et al.
patent: 6754782 (2004-06-01), Arimilli et al.
patent: 6772316 (2004-08-01), Lyon

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