Method and apparatus for cache line write back operation

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9471494
APP PUB NO 20150178202A1
SERIAL NO

14137432

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Abstract

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An apparatus and method are described for performing a cache line write back operation. For example, one embodiment of a method comprises: initiating a cache line write back operation directed to a particular linear address; determining if a dirty cache line identified by the linear address exists at any cache of a cache hierarchy comprised of a plurality of cache levels; writing back the dirty cache line to memory if the dirty cache line exists in one of the caches; and responsively maintaining or placing the dirty cache line in an exclusive state in at least a first cache of the hierarchy.

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Patent Owner(s)

  • INTEL CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Liu, Yen-Cheng Portland, US 102 1080
Neiger, Gilbert Portland, US 289 7052
Novakovsky, Larisa Haifa, IL 33 138
Nuzman, Joseph Haifa, IL 70 553
Ramanujan, Raj K Federal Way, US 78 1856
Sankaran, Rajesh M Portland, US 111 920
Schaper, Neil M Folsom, US 1 19

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