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.

Date of Patent:
Jun. 25, 2024

Filed:

Dec. 16, 2021
Applicant:

Advanced Micro Devices, Inc., Santa Clara, CA (US);

Inventors:

Mom-Eng Ng, Austin, TX (US);

Dilip Kumar Jha, Hyderabad, IN;

Assignee:

Advanced Micro Devices, Inc., Santa Clara, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 1/3296 (2019.01); G06F 1/324 (2019.01); G06F 1/3246 (2019.01); G06F 9/4401 (2018.01);
U.S. Cl.
CPC ...
G06F 1/3296 (2013.01); G06F 1/324 (2013.01); G06F 1/3246 (2013.01); G06F 9/4418 (2013.01);
Abstract

A system and method for fast save/restore is disclosed. The system and method include one or more logical units (LUs) residing in independent power domains, one or more digital frequency synthesizers (DFS), each of the one or more DFS associated with one of the one or more LUs, the one or more DFSs configured to lock a system complex frequency and ramp the one or more LUs to system complex frequency, and one or more slave fast save/restore control (FSRC) units, each slave FSRC unit associated with one of the one or more LUs, the one or more slave FSRC units configured to save/restore the FSRC states of the one or more LUs.


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