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:
Apr. 02, 2024
Filed:
Sep. 30, 2021
Applicant:
Advanced Micro Devices, Inc., Santa Clara, CA (US);
Inventor:
Paul J. Moyer, Fort Collins, CO (US);
Assignee:
Advanced Micro Devices, Inc., Santa Clara, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/00 (2006.01); G06F 12/0808 (2016.01); G06F 12/0811 (2016.01); G06F 12/0875 (2016.01);
U.S. Cl.
CPC ...
G06F 12/0811 (2013.01); G06F 12/0808 (2013.01); G06F 12/0875 (2013.01);
Abstract
Techniques for invalidating cache lines are provided. The techniques include issuing, to a first level of a memory hierarchy, a weak exclusive read request for a speculatively executing store instruction; determining whether to invalidate one or more cache lines associated with the store instruction in one or more memories; and issuing the weak invalidation request to additional levels of the memory hierarchy.