US 7,552,288 B2
Selectively inclusive cache architecture
Ravishankar Iyer, Portland, Oreg. (US); Li Zhao, Beaverton, Oreg. (US); Srihari Makineni, Portland, Oreg. (US); and Donald Newell, Portland, Oreg. (US)
Assigned to Intel Corporation, Santa Clara, Calif. (US)
Filed on Aug. 14, 2006, as Appl. No. 11/503,777.
Prior Publication US 2008/0040555 A1, Feb. 14, 2008
Int. Cl. G06F 12/08 (2006.01)
U.S. Cl. 711—141  [711/122; 711/124] 14 Claims
OG exemplary drawing
 
1. A method comprising:
maintaining data in a first level cache non-inclusively with a second level cache coupled to the first level cache; and
maintaining at least a portion of directory information associated with the data in the first level cache and present in the first level cache inclusive with a directory portion of the second level cache while maintaining the directory portion of the second level cache exclusive with a data portion of the second level cache.