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 9753776 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 05, 2017

Filed:

Dec. 01, 2015
Applicant:

International Business Machines Corporation, Armonk, NY (US);

Inventors:

Sangram Alapati, Austin, TX (US);

Puneeth A. Bhat, Bangalore, IN;

Satish K. Sadasivam, Erode, IN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 9/46 (2006.01); G06F 9/50 (2006.01); G06F 9/30 (2006.01);
U.S. Cl.
CPC ...
G06F 9/5027 (2013.01); G06F 9/3013 (2013.01); G06F 9/30032 (2013.01);
Abstract

A computer system may determine a mode for a processor. The processor may support SMT, and it may have a first hardware thread with a first architected resource and a second hardware thread with a second architected resource. The computer system may determine that the processor is in a reduced-thread mode. The computer system may determine that the first hardware thread is a primary hardware thread that is active in the reduced-thread mode, and that the second hardware thread is a secondary hardware thread that is inactive in the reduced-thread mode. The computer system may disable the second hardware thread. The computer system may enable the first hardware thread to access the second architected resources.


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