Multilevel cache system

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United States of America Patent

PATENT NO 9292443
APP PUB NO 20130346697A1
SERIAL NO

13927322

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Abstract

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Fetching a cache line into a plurality of caches of a multilevel cache system. The multilevel cache system includes at least a first cache, a second cache on a next higher level and a memory, the first cache being arranged to hold a subset of information of the second cache, the second cache being arranged to hold a subset of information of a next higher level cache or memory if no higher level cache exists. A fetch request is sent from one cache to the next cache in the multilevel cache system. The cache line is fetched in a particular state into one of the caches, and in another state into at least one of the other caches.

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Patent Owner(s)

Patent OwnerAddress
INTERNATIONAL BUSINESS MACHINES CORPORATIONNEW ORCHARD ROAD ARMONK NY 10504

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Alexander, Khary J Poughkeepsie, US 71 717
Jacobi, Christian Poughkeepsie, US 381 3700
Recktenwald, Martin Schonaich, DE 93 419
Slegel, Timothy J Staatsburg, US 400 6000

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