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:
Mar. 15, 2016

Filed:

Sep. 28, 2010
Applicants:

Alexander L. Minkin, Los Altos, CA (US);

Steven J. Heinrich, Madison, AL (US);

Rajeshwaran Selvanesan, Milpitas, CA (US);

Stewart Glenn Carlton, Madison, AL (US);

John R. Nickolls, Los Altos, CA (US);

Inventors:

Alexander L. Minkin, Los Altos, CA (US);

Steven J. Heinrich, Madison, AL (US);

Rajeshwaran Selvanesan, Milpitas, CA (US);

Stewart Glenn Carlton, Madison, AL (US);

John R. Nickolls, Los Altos, CA (US);

Assignee:

NVIDIA Corporation, Santa Clara, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/00 (2006.01); G06F 13/40 (2006.01); G06F 13/00 (2006.01); G06F 13/28 (2006.01);
U.S. Cl.
CPC ...
G06F 13/4022 (2013.01); G06F 13/4031 (2013.01);
Abstract

The invention sets forth an L1 cache architecture that includes a crossbar unit configured to transmit data associated with both read data requests and write data requests. Data associated with read data requests is retrieved from a cache memory and transmitted to the client subsystems. Similarly, data associated with write data requests is transmitted from the client subsystems to the cache memory. To allow for the transmission of both read and write data on the crossbar unit, an arbiter is configured to schedule the crossbar unit transmissions as well and arbitrate between data requests received from the client subsystems.


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