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:
May. 09, 2017

Filed:

Sep. 14, 2012
Applicants:

James Van Zoeren, Albuquerque, AZ (US);

Alexander Klaiber, Mountain View, CA (US);

Guillermo J. Rozas, Los Gatos, CA (US);

Paul Serris, San Jose, CA (US);

Inventors:

James Van Zoeren, Albuquerque, AZ (US);

Alexander Klaiber, Mountain View, CA (US);

Guillermo J. Rozas, Los Gatos, CA (US);

Paul Serris, San Jose, CA (US);

Assignee:

NVIDIA CORPORATION, Santa Clara, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 12/00 (2006.01); G06F 12/0831 (2016.01);
U.S. Cl.
CPC ...
G06F 12/0831 (2013.01); G06F 2212/1024 (2013.01);
Abstract

In a processor, a method for speculative permission acquisition for access to a shared memory. The method includes receiving a store from a processor core to modify a shared cache line, and in response to receiving the store, marking the cache line as speculative. The cache line is then modified in accordance with the store. Upon receiving a modification permission, the modified cache line is subsequently committed.


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