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:
Apr. 04, 2017

Filed:

Feb. 03, 2014
Applicant:

Nvidia Corporation, Santa Clara, CA (US);

Inventors:

Robert Ohannessian, Jr., Austin, TX (US);

Michael Alan Fetterman, Boxborough, MA (US);

Olivier Giroux, Santa Clara, CA (US);

Jack H. Choquette, Palo Alto, CA (US);

Xiaogang Qiu, San Jose, CA (US);

Shirish Gadre, Fremont, CA (US);

Meenaradchagan Vishnu, San Jose, CA (US);

Assignee:

NVIDIA Corporation, Santa Clara, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 9/00 (2006.01); G06F 9/30 (2006.01); G06F 9/52 (2006.01); G06F 9/38 (2006.01);
U.S. Cl.
CPC ...
G06F 9/30145 (2013.01); G06F 9/30098 (2013.01); G06F 9/3851 (2013.01); G06F 9/522 (2013.01);
Abstract

A system, method, and computer program product are provided for implementing a software-based scoreboarding mechanism. The method includes the steps of receiving a dependency barrier instruction that includes an immediate value and an identifier corresponding to a first register and, based on a comparison of the immediate value to the value stored in the first register, dispatching a subsequent instruction to at least a first processing unit of two or more processing units.


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