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.:
Date of Patent:
Aug. 05, 2025
Filed:
Jan. 21, 2022
Applicant:
Centaur Technology, Inc., Austin, TX (US);
Inventors:
Assignee:
CENTAUR TECHNOLOGY, INC., Austin, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/00 (2006.01); G06F 12/0891 (2016.01);
U.S. Cl.
CPC ...
G06F 12/0891 (2013.01); G06F 2212/305 (2013.01);
Abstract
In one embodiment, a controller in a microprocessor, the controller configured to manage accesses to dynamic random access memory (DRAM), the controller comprising: a first table configured to track cache lines that have been written to zero for a plurality of first memory regions; and a second table configured to track the cache lines that have been written to zero for a plurality of second memory regions, wherein each of the plurality of second memory regions comprises a group of the plurality of first memory regions where all of the cache lines within each of the plurality of the first memory regions within the group have been written to zero.