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 7802135 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 21, 2010

Filed:

Apr. 15, 2008
Applicant:

Akimasa Niwa, Kiyosu, JP;

Inventor:

Akimasa Niwa, Kiyosu, JP;

Assignee:

DENSO CORPORATION, Kariya, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

It is determined that a write access is executed to a stack area of a main memory. It is then determined whether another write access to a corresponding access destination address in the stack area occurred in the past by referring to an access flag table. In contrast, it is determined that a write access is executed to a global area of the main memory. It is then determined whether another write access to a corresponding access destination address in the global area occurred in the past with referring to an access list. Such a configuration can efficiently provide individual advantages of the determination methods using both the access flag table and the address list. The presence or absence of the past saving execution can be efficiently determined at the time of write access.


Find Patent Forward Citations

Niwa, Akimasa. (2010). Rollback method and information processing apparatus executing the same (U.S. Patent No. 7802135). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7802135

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