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:
Jun. 29, 2021
Filed:
Jun. 24, 2019
Advanced Micro Devices, Inc., Santa Clara, CA (US);
Krishnan V. Ramani, Santa Clara, CA (US);
Kai Troester, Boxborough, MA (US);
Frank C. Galloway, Austin, TX (US);
David N. Suggs, Austin, TX (US);
Michael D. Achenbach, Austin, TX (US);
Betty Ann McDaniel, Austin, TX (US);
Marius Evers, Santa Clara, CA (US);
ADVANCED MICRO DEVICES, INC., Santa Clara, CA (US);
Abstract
A system and method for tracking stores and loads to reduce load latency when forming the same memory address by bypassing a load store unit within an execution unit is disclosed. Store-load pairs which have a strong history of store-to-load forwarding are identified. Once identified, the load is memory renamed to the register stored by the store. The memory dependency predictor may also be used to detect loads that are dependent on a store but cannot be renamed. In such a configuration, the dependence is signaled to the load store unit and the load store unit uses the information to issue the load after the identified store has its physical address.