The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 6754776 B1

PDF
Full Text
Expired
Date of Patent:
Jun. 22, 2004

Filed:

May. 17, 2001
Applicant:
Inventors:

Patrick N. Conway, Los Altos, CA (US);

Kazunori Masuyama, San Jose, CA (US);

Takeshi Shimizu, San Jose, CA (US);

Toshio Ogawa, San Jose, CA (US);

Martin Sodos, San Jose, CA (US);

Sudheer Miryala, San Jose, CA (US);

Jeremy Farrell, Campbell, CA (US);

Assignee:

Fujitsu Limited, Kawasaki, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 1/200 ;
U.S. Cl.
CPC ...
G06F 1/200 ;
Abstract

A system and method of logically partitioning shared memory structures between computer domains is disclosed. In one embodiment, each domain is assigned a unique address space identifier. The unique address space identifier preferably has tag extension and index extension bits. This permits the tag and index bits of a conventional local domain address to be extended with tag extension and index extension bits. Data entries in the shared memory structure may be accessed using an extended index value. Hits may be determined using an extended tag value.


Find Patent Forward Citations

Conway, Patrick. (2004). Method and system for logical partitioning of cache memory structures in a partitoned computer system (U.S. Patent No. 6754776). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6754776

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