Dual-granularity state tracking for directory-based cache coherence
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United States of America Patent
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Aug 19, 2014
Grant Date -
Apr 18, 2013
app pub date -
Oct 18, 2011
filing date -
Oct 18, 2011
priority date (Note) -
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Abstract
A system and method of providing directory cache coherence are disclosed. The system and method may include tracking the coherence state of at least one cache block contained within a region using a global directory, providing at least one region level sharing information about the least one cache block in the global directory, and providing at least one block level sharing information about the at least one cache block in the global directory. The tracking of the provided at least one region level sharing information and the provided at least one block level sharing information may organize the coherence state of the at least one cache block and the region.
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